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Medical Entry Test Important MCQS
Chapter 01 Choose the most appropriate answer. 1. They are the remains or impressions of living organisms preserved in rocks: a. b. c. d.
Tissues Fossils Calcium Statutes
Correct Ans. b
2. It is the study of fossils and their relationship to the evolution of life on earth: a. b. c. d.
embryology taxonomy physiology None of these
Correct Ans. d 3. Man has been able to produce food in greater quantities due to advancement in: a. b. c. d.
Mathematics Space science Physics Biology
Correct Ans. d 4. Taxonomy is the study of: a. b. c. d.
Functions of different parts of organisms Naming and classification of organisms Hereditary characters Structure and functions of cells
Correct Ans. b
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5. Anatomy deals with the study of: a. Relationship between organisms and their environment b. Development of an organism from a fertilized egg or zygote c. Structure and function of molecular components of the cell d. Internal organs of organisms Correct Ans. D 6. Pollution of our surroundings in the recent past has resulted because of: a. b. c. d.
Biological Research Rapid industrialization Information Technology Forestation
Correct Ans. b 7. The statement made by a scientist, which may be the possible answer to the problem. a. b. c. d.
Deduction Theory Hypothesis Law
Correct Ans. c 8. Which of the following is involved in the spread of malaria ? a. b. c. d.
Bacterium Bad Air Virus Mosquito
Correct Ans. d 9. People who slept outside in open spaces suffered from malaria more frequently than those who slept indoors, indicates that: a. b. c. d.
Bad air is involved in the spread of Malaria Bacteria are involved in the spread of Malaria Mosquitoes are involved in the spread of Malaria Birds are involved in the spread of Malaria
Correct Ans. c
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10. The entry of Plasmodium into the blood of Man was discovered by: a. A. F. A. King b. Laveran c. Ronald Ross d. Grassi Correct Ans. b 11. In case of typical attack, malarial patient feels: a. b. c. d.
Very cold and chilly Very Warm Sleepy Normal
Correct Ans. a 12. Sexual reproduction of the malaria parasite occurs in : a. b. c. d.
Man Mosquito Red blood cells Both a and b
Correct Ans. b 13. Inside human body Plasmodium attacks: a. b. c. d.
Nerve cells Red blood cells White blood cells Kidney cells
Correct Ans. b 14. In the life cycle of Plasmodium fusion of gametes and formation of gametes and formation of zygote take place in: a. b. c. d.
Body of Man Body of Mosquito Air Water
Correct Ans. b 15.
The part of Cinchona plant found suitable for the treatment of Malaria was:
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Seeds Fruits Leaves Bark
Correct Ans. (d)
16. When sporozoites of Plasmodium pass from the blood to liver cells, they multiply for: a. b. c. d.
8 days 10 days 12 days 14 days
Correct Ans. (c) 17.
Man can now be saved from fatal diseases by using: a. b. c. d.
Vaccine Bacteria Antibiotics Plasmodium
Correct Ans. (a) 18. are:
The word malaria has been derived from the combination of two words which a. b. c. d.
Latin Italian Greek Arabic
Correct Ans. (b) 19.
Which one of the following best describes the scientific method? a. Doing experiments in laboratories b. Collecting all known facts on a subject c. Developing and testing hypothesis
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d. Using sensitive electronic measuring instruments Correct Ans. (c) 20.
Which of the following stages of Plasmodium is diploid? a. b. c. d.
Merozoite Sporozoite Zygote (ookinete) Gametocyte
Correct Ans. (c)
21.
Which of the following stages of Plasmodium is spindle shaped? a. b. c. d.
sporozoite Merzoite Gametocyte Ookinete
Correct Ans. (a) 22. Which of the following forms of Plasmodium is present in the saliva of mosquito? a. b. c. d.
Merozoites Sporozoites Gametocytes Zygote
Correct Ans. (b) 23.
Which of these attack red blood cells? a. b. c. d.
ookinetes Gametocytes Sporozoites Merozoites
Correct Ans. (d) 24.
Which of the following is not true of malaria patient?
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feels cold and chilly feels headache feels appetite temperature rises up to 106 oF
Correct Ans. (c)
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Chapter 2 1. Nucleus in plant cells was discovered by: a. b. c. d.
Dutrochet Robert Brown Robert Hooke Schleiden
Correct Ans. (c) 2. The pushing out of materials by the cell against the concentration gradient is: a. b. c. d.
Low transport Passive transport Active transport Moderate transport
Correct Ans. (c) 3. Robert Hooke examined thin slices of cork made up of the bark of: a. b. c. d.
Pine Sheesham Oak Mulberry
Correct Ans. (c) 4. In thin slices of cork Robert Hooke noticed. a. b. c. d.
Tiny creatures Small holes Small chambers Bacteria
Correct Ans. (c) 5. Henri Dutrochet confirmed. a. b. c. d.
Robert Brown observations on Nucleus Robert Hooke’s observations on Cells Schwann observations of cells Schleiden observations on cells
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Correct Ans. (b)
6. They provide support to the plant body: a. b. c. d.
Phloem cells Parenchyma cells Sclerenchyma cells Chlorechyma cells
Correct Ans. (c) 7. Parenchyma cells are concerned with: a. b. c. d.
Secretion Support Carry Oxygen Storage of surplus food
Correct Ans. (d) 8. Substances cross the cell membrane more easily when they are: a. b. c. d.
Water soluble Protein soluble Alcohol soluble Lipid soluble
Correct Ans. (d) 9. Many substances that are not needed constantly enter the cell by: a. b. c. d.
Passive transport Active transport Negative transport Fast transport
Correct Ans. (b) 10. It is a true cell wall in a newly growing cell: a. Middle lamella b. Secondary wall
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c. Primary wall d. Plasma membrane Correct Ans. (c)
11. It is the first to be formed: a. b. c. d.
Primary wall Secondary wall Tertiary wall Middle lamella
Correct Ans. (a) 12. It is a site of certain metabolic pathways: a. b. c. d.
Cell wall Plasma membrane Cytoplasm A&B
Correct Ans. (c) 13. The water percentage of cytosol in the cytoplasm is: a. b. c. d.
50 60 70 90
Correct Ans. (d) 14. New Ribosomes are assembled in the : a. b. c. d.
Nucleolus Mitochondria Endoplasmic Reticulum Golgi Apparatus
Correct Ans. (a)
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15. Smooth Endoplasmic Reticulum helps to: a. b. c. d.
Synthesize proteins Detoxify the harmful drugs Prepare food Decompose proteins
Correct Ans. (b) 16. Morphologically Endoplasmic Reticulum exists in: a. b. c. d.
Four forms Three forms Two forms One form
Correct Ans. (b) 17. The 60S and 40S subunits on attachment with each other form: a. b. c. d.
100S particle 90S particle 80S particle 70S particle
Correct Ans. (c) 18. Proteins are synthesized in the: a. b. c. d.
Ribosomes Mitochondria Nucleus Nucleolus
Correct Ans. (a) 19. They are absent in higher plants: a. b. c. d.
Plastids Golgi Apparatus Cell Membranes Centrioles
Correct Ans. D 20.
Amino acids (proteins) are present in the cell walls of:
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Gymnosperms Bacteria Mosses Angiosperms
Correct Ans. B 21.
Which of the following organelles is present in both prokaryotic and eukaryotic cells? a. b. c. d.
Chloroplast Ribosomes Mitochondria Golgi Complex
Correct Ans. B
22.
Which of the following features is not shared by prokaryotic and eukaryotic cells? a. b. c. d.
Ribosome Cytoplasm Cell membrane Nuclear membrane
Correct Ans. D 23.
Which of the following cell organelles is present in both plant and animal cells? a. b. c. d.
Chlorophyll Plasma membrane Plastids Cell wall Correct Ans. B
24.
Which of the following pair is incorrect? a. b.
Ribosome ______________ Protein synthesis Chloroplast _____________ Photosynthesis
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Mitochondria ____________ Fermentation Plasma membrane___________ Osmosis Correct Ans. C
Which of the structures is not found in a prokaryotic cell? a. b. c. d.
Plasma membrane Nuclear envelope Ribosome Cell wall
Correct Ans. B 26.
How may membranes comprise the nuclear envelop? a. b. c. d.
None One Two Three
Correct Ans. C 27.
Which of the following molecules move regularly from the nucleus to the cytoplasm? a. b. c. d.
Glycogen DNA RNA Cholesterol
Correct Ans. C 28.
Which of the following cellular organelles extracts energy from glucose and forms ATP molecules: a. b. c. d.
Lysosome Chloroplast Mitochondrion Chromoplast
Correct Ans. C 29.
Lysosomes contain enzymes capable of:
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a. Aerobic cellular respiration b. Digesting part of the cell c. Synthesizing protein d. Synthesizing lipids Correct Ans. B 30.
Mitochondria are found: a. b. c. d.
in all cells only in plant cells only in animal cells in all eukaryotic cells
Correct Ans. D 31.
Green pigments capable of capturing the energy of sunlight are located within the: a. b. c. d.
Golgi complex Endoplasmic complex Chloroplast Cell wall
Correct Ans. C
32.
The two types of cellular organelles that transform energy are: a. b. c. d.
Chromoplasts and leucoplast Mitochondria and chloroplast Mitochondria and Chromoplasts Chloroplasts and leucoplasts
Correct Ans. B 33.
The plastids that give fruits and flowers their orange and yellow colours are the: a. b. c. d.
leucoplasts chloroplasts Chromoplasts Proplasts
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Correct Ans. C 34.
The main function of the plasma membrane is to: a. b. c. d.
synthesize ribosomes Control what goes into and out of the cell Allow all kinds of substances to enter the cell Move the cell from place to place
Correct ans. B 35.
Plant cells are connected by channels through their walls called: a. b. c. d.
Plasmodesmata desmosomes middle lamella non of these
Correct ans. A 36.
In the fluid mosaic membrane model the lipid bilayer: a. b. c. d.
is sandwiched between two protein layers has protein embedded in it lies on top of a single protein layer is covered by a single protein layer
correct ans. B 37.
An input of energy is required for which one of the following? a. b. c. d.
diffusion osmosis passive transport active transport
Correct ans. D 38.
Which of the following cytoplamic organelles is not bounded by membrane: a. b. c. d.
Mitochodrion Lysosome Ribosome Plastids
Correct Ans. C
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Which of the following bodies is not bounded by a double membrane structure? a. b. c. d.
mitochondrion chloroplast Lysosome Nucleus
Correct Ans. C 40.
Which of the following cell organelles cause a decrease in the concentration of organic material in the cell? a. b. c. d.
Golgi bodies Chloroplast Ribosome Mitochondrion
Correct Ans. D 41.
Which of the following cell organelles is not involved in the sequence of events from synthesis of an enzyme to its excretion? a. b. c. d.
Ribosome Lysosome Golgi apparatus Endoplasmic reticulum
Correct Ans. B 42.
A lipid molecule in the plasma membrane has a head and two tails. The tails are found: a. b. c. d.
At the surfaces of the membrane In the interior of the membrane Both at the surfaces and interior of the membrane None of these
Correct Ans. B 43.
Which of the following organelles and their contents are incorrectly paired: a. b. c. d.
Ribosome – RNA Mitochondrion – Chlorophyll Lysosome – digestive enzymes Nucleus – DNA
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Correct Ans. B 44.
Which of the following properties is incorrect for both mitochondria and chloroplast: a. b. c. d.
Both have an electron transport system ATP synthesis Both are present in all cells Both are double membrane structures
Correct Ans. C 45.
Which of the following cell organelles release oxygen: a. b. c. d.
ribosome Golgi complex Mitochondria Chloroplast
Correct Ans. D 46.
Active transport: a. requires a protein carrier b. moves a molecule against its concentration gradient c. requires a supply of energy d. all of these Correct Ans. d
47.
The nucleolus is largely composed of rRNA and a. b. c. d.
lipid Glucose Wax Protein
Correct Ans. D
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CHAPTER 3 Choose the most appropriate answer: 1.
It is the most abundant carbohydrate in nature: a. b. c. d.
Sucrose Maltose Starch Cellulose
Correct Ans. D 2.
The most common monomer of carbohydrates is a molecule of : a. b. c. d.
sucrose lactose maltose glucose
Correct Ans. D 3.
Which of the following is polysaccharide: a. b. c. d.
Glucose Glycogen Maltose Lactose
Correct Ans. B 4.
On hydrolysis triglyceride yields a. b. c. d.
a glycerol and three fatty acids a fatty acid and three glycerol a glucose and three fatty acids a maltose and two fatty acids
Correct Ans. A 5.
Cholesterol is: a. b. c. d.
diglyceride saturated fatty acids unsaturated fatty acids steroid
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correct Ans. D
6.
Silk is chemically: a. b. c. d.
Lipid Wax Protein Carbohydrate
Correct Ans. C 7.
Protoplasm of plant cell is: a. b. c. d.
Less viscous than animal cell More viscous than animal cell Equal in viscosity to the animal cell None of these
Correct Ans. A 8.
In living cell, protein is: a. b. c. d.
The most abundant compound The least abundant compound The second most abundant compound The third most abundant compound
Correct Ans. C 9.
They catalyze biological reactions in the form of enzymes: a. b. c. d.
Glucose Sucrose Proteins Terpenoids
Correct Ans. C 10.
Amino Acids in Insulin molecules are arranged in:
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One polypeptide chain Two Polypeptide chains Three polypeptide chains Four polypeptide chains
Correct Ans. B
11.
Four polypeptide chains take part in the formation of: a. b. c. d.
Cellulose Silk Hemoglobin DNA
Correct Ans. C 12.
Each beta chain of Hemoglobin contains: a. b. c. d.
126 Amino Acids 156 Amino Acids 136 Amino Acids 146 Amino acids
Correct Ans. D 13.
Amino Acids are linked together by: a. b. c. d.
Hydrogen Bonds Ionic Bonds Peptide bonds None of these
Correct Ans. C 14.
The manner in which different peptide chains are connected determines the: a. b. c. d.
Size of protein molecule Shape of protein molecule Color of protein molecule Both A & B
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Correct Ans. B 15.
Glyceraldehyde is one of the: a. b. c. d.
Hexoses Trioses Pentoses Tetroses
Correct Ans. B 16.
Sucrose is formed of: a. b. c. d.
Glucose and Galactose Glucose and Maltose Clucose and Fructose Fructose and Galactose
Correct Ans. C 17.
They are stored in plant and animal cells: a. b. c. d.
Starch and Glycogen Glucose and sucrose Starch and cellulose Fructose and glucose
Correct Ans. A 18.
It is the most abundant carbohydrate in nature: a. b. c. d.
Glucose Fructose Cellulose Starch
Correct Ans. C 19.
Cotton fibers are made up of: a. b. c. d.
Glucose Galactose Starch Cellulose
Correct Ans. D
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Which of the following is true of acylglycerols a. b. c. d.
composed of glycerol and fatty acids easily soluble in water act as enzymes are hydrolyzed into glucose and fructose
Correct Ans. A 21.
Terpenoides are: a. b. c. d.
Sucrose Glucose Waxes Fructose
Correct Ans. C
22.
Nucleic acids are formed of units called: a. b. c. d.
Amino acids Nucleotides Citric acids Isoprenoid units
Correct Ans. B 23.
Typically a nucleotide is composed of: a. b. c. d.
three components four components five components two components
Correct Ans. A 24.
As compared to somatic cells the amount of DNA in germ line cells (sperms and ova) is almost: a.
Equal
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Double One third Half
Correct Ans. D 25.
The function of tRNA is: a. b. c. d.
To carry genetic information’s from DNA to ribosomes To synthesize protein Pick up amino acids and transfer them to ribosomes Constitute ribosomes
Correct Ans. C 26.
In protoplasm dry matter consists about: a. b. c. d.
90% organic and 10% inorganic compounds 70% organic and 30% inorganic compounds 60% organic and 40% inorganic compounds 50% organic and 50% inorganic compounds
Correct Ans. A
27.
Which of the following groups from the nucleotides: a. b. c. d.
Sugar __________ Nitrogenous Base ___________ Vitamin Sugar ___________ Vitamin ______ Phosphoric acid Sugar ___________ Nitrogenous base ________ Phosphoric acid Phosphoric acid _________ Nitrogenous base _______ vitamin
Correct Ans. C 28.
Which of the following is hydrolyzed into simple unit: a. b. c. d.
ribose glucose cellulose fructose
Correct ans. C 29.
Glucose + Fructose _________ Sucrose + H2O
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hydrolysis condensation (dehydration) denaturation incorporation synthesis
Correct Ans. B 30.
The unique properties of each amino acid are determined by its particular a. b. c. d.
R group Amino group Kinds of peptide bonds Number of bonds to other amino acids
Correct Ans. A
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DNA is unique among the organic molecules of protoplasm in that it can: a. b. c. d.
form multipolymer complexes come apart and re-form withstand very high temperature replicate itself
Correct Ans. D 32.
Nucleotides of DNA molecule varies due to their: a. b. c. d.
glycerol attachments nitrogenous bases sugars phosphates
correct ans. B 33.
Adenine is a: a. b. c. d.
single ring compound double ring compound Triple ring compound Multi-ring compound
Correct ans. B 34.
The function of an enzyme is to: a. b. c. d.
cause chemical reactions that would not otherwise take place change the rate of chemical reactions. Control the equilibrium point of reaction Change the direction of reaction
Correct ans. B 35.
The enzyme sucrase act on: a. b. c. d.
sucrose only sucrose and starch any disaccharide glycogen
Correct Ans. A
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Which of the following forms part of coenzyme: a. b. c. d.
Diastase Lipase Vitamin Lysine
Correct Ans. C
37.
An enzyme promotes a chemical reaction by: a. b. c. d.
Lowering the energy of activation Causing the release of heat Increasing molecular motion Both A & B
Correct Ans. A 38.
Which of the following releases greatest amount of energy: a. b. c. d.
Carbohydrates Lipid Water Nucleic acid
Correct ans. B 39.
Which of the following is an example of carbohydrate: a. b. c. d.
enzymes waxes ribose insulin
Correct ans. C 40.
DNA molecule: a. b. c.
has a sugar-phosphate backbone is single stranded has a certain sequence of amino acids
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has a uracil base in its nucleotide
Correct ans. A
41.
The functional group COOH is: a. b. c. d.
Acidic Basic Never ionized All of these
Correct Ans. (A) 42.
Which of these is nondigestible by man: a. b. c. d.
cellulose maltose starch glycogen
Correct Ans. (a) 43.
A fatty acid is unsaturated if it: a. b. c. d.
contains hydrogen contains double bonds between carbon atoms contains an acidic group contains no double bonds
Correct ans. (b) 44.
Glucose in solution forms a ring called: a. b. c. d.
glucofuranose ribofuranose glucopyranose ribopyranose
Correct Ans. (c) 45.
Which of the following is not soluble in water:
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Sucrose Ribose Glycerol Glycogen
Correct Ans. (d) 46.
Which of the following is absent in the nucleotides of RNA: a. Thymine b. Cytosine c. Adenine d. Uracil Correct Ans. (a)
47.
The linkages between two monosaccharides is called: a. b. c. d.
Ester Glucoside Peptide Nucleotide
Correct Ans. (b) 48.
Distance between twist of DNA molecule is: a. b. c. d.
14 A 24 A 34 A 44 A
Correct Ans. (c)
49.
Which of the following is a complete monomeric unit of DNA: a. b. c. d.
pentose sugar phosphoric acid nucleotide adenine
Correct Ans. (c) 50.
The formula of glyceraldehydes is: a.
C3 H5 O3
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C3 H6 O3 C3 H4 O3 C3 H6 O4
Correct Ans. (b) 51.
The number of Carbon in oleic acid is: a. b. c. d.
16 18 20 22
Correct Ans. (b)
52.
Vitamin A is a: a. b. c. d.
protein wax terpenoid carbohydrate
Correct Ans. (c) 53.
Which of the following is not true of palmatic acid: a. b. c. d.
saturated unsaturated unbranched 16 carbons
Correct ans. (b) 54.
Which of these makes cellulose nondigestable: a. b. c. d.
a polymer of glucose subunits a fibrous protein the linkage between the glucose molecules the peptide linkage
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Correct Ans. (c)
55.
Which of these is not a lipid: a. b. c. d.
steroid wax polysaccharide terpenoids
Correct Ans. (c) 56.
Which of the following is variable in an amino acid? a. b. c. d.
Amino group Carboxyl group R-group Hydrogen
Correct Ans. (c)
57.
Which of the following is resistant to degradation ? a. b. c. d.
wax sucrose starch triglyceride
Correct Ans. (a) 58.
Beta Carotene is: a. b. c. d.
phospholipids terpenoid polysaccharide wax
Correct Ans. (b) 59.
Which of the following is a richer source of chemical energy? a.
glucose
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glycogen lipids proteins
Correct Ans. (c) 60.
Cholesterol is: a. b. c. d.
Diglyceride Saturated fat Unsaturated fat Steroid
Correct Ans. (d)
61.
The structure of a protein can be denatured by: a. b. c. d.
the polar bond of water molecule heat the presence of oxygen gas the presence of carbon dioxide gas
Correct Ans. (b)
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CHAPTER 4 Choose the most appropriate answer:
1.
Which of these established that the units of inheritance are located on the chromosome? a. b. c. d.
Sutton Waldeyer Watson and Crick Strickberger
Correct Ans. (a) 2.
Which of the following determines the shape of the chromosomes? a. b. c. d.
chromatids chromatin material shape of the centromeres position of the centromere
Correct ans. (d) 3.
The morphology of the chromosome is best studied during a. b. c. d.
interphase prophase telophase metaphase
Correct ans. (d) 4.
Telocentric chromosomes have centromere located at a. b. c. d.
one end both ends center one side
Correct Ans. (a) 5.
Which of these chromosomes have centromere located at one end? a. b.
acrocentric Telocentric
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Metacentric Submetacentric
Correct ans. (b) 6.
Which of these chromosomes have a very short arm? a. b. c. d.
Telocentric Metacentric Acrocentric Submetacentric
Correct Ans. (c) 7.
Which of the following chromosomes have arms of unequal length? a. b. c. d.
Telocentric Metacentric Acrocentric Submetacentric
Correct Ans. (d) 8.
Which of the following types of chromosomes have arms of equal length? a. b. c. d.
Metacentric Submetacentric Acrocentric Telocentric
Correct Ans. (a) 9.
The total chromosome complement of a cell is called a. b. c. d.
Karyosome Karyokinesis Karyogamy Karyotype
Correct Ans. (d) 10.
DNA and histones together form a structure called a. b. c.
Centromeres Nucleosome Nucleoplasm
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Centriole
Correct Ans. (b)
11.
Which of the following number of molecules of various types of histones form Nucleosome? a. b. c. d.
8 10 16 20
Correct Ans. (a) 12.
Which of these studied mitosis in plant cells? a. b. c. d.
Strassburger Flemming Sutton Waldeyer
Correct Ans. (a) 13.
Which of these studied mitosis in animal cells? a. b. c. d.
Strassburger Flemming Sutton Waldeyer
Correct Ans. (b) 14.
During mitosis the process of cytoplasmic division is called a. b. c. d.
Cytomeiosis Cytoplasmosis Cytokinesis Cytomitosis
Correct Ans. (c) 15.
DNA replication occurs in which phase of the cell cycle?
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prophase interphase metaphase Telophase
Correct Ans. (b)
16.
Which of the following is part of mitosis in cells of seed plants? a. b. c. d.
Centrioles Asters Spindles Cleavage furrows
Correct Ans. (c) 17.
In plants, meiosis occurs during the formation of: a. b. c. d.
gametes seeds spores zygote
Correct Ans. (c) 18.
The prophase I of Meiosis completes in a. b. c. d.
Two stages Three stages Four stages Five stages
Correct Ans. (d) 19.
The number of chromosomes in a fertilized egg is: a. b. c. d.
half as many as in unfertilized egg the same as in sperm twice the number as in a sperm twice the number as in somatic cell
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Correct Ans. (d) 20.
All the somatic cells of a diploid organism originate from a single cell called a. b. c. d.
gamete autosome spore zygote
Correct Ans. (d)
21.
If at the end of meiosis, each of the four daughter cells has four chromosomes, how many chromosomes were in the mother cell? a. b. c. d.
2 4 8 16
Correct ans. (c) 22.
At what phase of meiosis are homologous chromosomes separated? a. b. c. d.
Prophase I Anaphase I Prophase II Anaphase II
Correct Ans. (b) 23.
The process by which homologous chromosomes being to pair with each other is called. a. b. c. d.
chiasma interkinesis crossing over synapsis
Correct Ans. (d)
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The points at which crossing over has taken place between homologous chromosomes are called a. Chiasmata b. Centromeres c. Synapsis d. Centrosomes Correct Ans. (a) Crossing over occurs during a. b. c. d.
leptotene zygotene pachytene diplotene
Correct Ans. (c)
26.
During what phase of meiosis tetrads are form? a. b. c. d.
prophase I prophase II metaphase I metaphase II
Correct Ans. (a) 27.
During what phase of meiosis the nuclear envelop breaks down? a. b. c. d.
prophase I metaphase anaphase I telophase I
Correct Ans. (b)
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CHAPTER 5 Choose the most appropriate answer: 1.
Which of the following is caused by bacteria? a. b. c. d.
Tetanus Measles Malaria Ringworm
Correct Ans. (a) 2.
Food can be preserved when pH of the medium is: a. b. c. d.
acidic basic neutral none of these
Correct Ans. (a) 3.
They play a role in the making of dairy products: a. b. c. d.
Viruses Bacteria Algae Plasmodium
Correct ans. (b) 4.
Viruses belong to the group: a. b. c. d.
Prokaryotes Eukaryotes Monera None of these
Correct Ans. (d) 5.
Common cold is caused by: a. b. c. d.
Bacteria Viruses Fungi Plasmodium
Correct Ans. (b)
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They fix atmospheric Nitrogen: a. b. c. d.
Virus Fungi Bacteria Both A & B
Correct Ans. (c) 7.
In lytic life cycle bacterial cell: a. b. c. d.
Continues its normal life processes Bursts and dies Starts division Forms endospore
Correct Ans. (b) 8.
Amino acids are present in the cell wall of: a. b. c. d.
Bryophytes Fungi Bacteria Gymnosperms
Correct ans. (c) 9.
Inside photosynthetic bacteria, Chlorophyll is: a. b. c. d.
Localized in Chloroplast Present inside Mitochondria Dispersed in the cytoplasm Absent
Correct Ans. (c) 10.
In blue-green algae nitrogen fixation occurs in specialized cells called: a.
Harmogonia
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Akinetes Heterocysts Zygospores
Correct Ans. (c)
11.
Under ideal condition a bacterial cell divides about every 20 minutes. It takes 200 minutes to fill a culture tube. How much time will it take to fill a test tube of double size. a. b. c. d.
400 minutes 220 minutes 240 minutes 300 minutes
Correct Ans. (b) 12.
A virus that can reproduce without killing its host is called: a. b. c. d.
13.
lytic virus retroactive virus temprate virus virion
Correct Ans. (c) When a bacteriophage, in its lytic phase carries some of the bacterium’s partially digested chromosome with it to another host cell, the process is called: a. b. c. d.
transformation transduction transportation conjugation
Correct Ans. (b) 14.
Which of the following is not true of organisms in the kingdom Monera ? a. b.
they reproduce by mitosis no cellulose cell wall
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no nuclear envelop have prokaryotic cellular organization
Correct Ans. (a) 15.
Slimy capsule of bacteria is made by: a. b. c. d.
16.
lipid protein polysaccharide sucrose
Correct ans. (c)
Avery and his colleagues confirmed that the transforming material is that: a. b. c. d.
RNA DNA Protein Lipid
Correct Ans. (b) 17.
Which of these is found in viruses: a. b. c. d.
cell membrane ribosome nucleic acid tail and head
Correct Ans. (c) 18.
Which of the following is a true statement: a. b. c. d.
viruses carry with them their own ribosome new viral ribosomes form after viral DNA enters the cell viruses use the host ribosomes for protein synthesis none of these
Correct Ans. (c) 19.
Which of the following is an example of a viral disease: a. b. c.
Tuberculosis AIDS Anthrax
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Tetanus
Correct Ans. (b) 20.
The elimination of bacteria from a medium is called: a. b. c. d.
inoculation sterilization staining fermentation
Correct Ans. (b)
21.
Bacteria survive unfavourable condition by: a. endospore b. fission c. conjugation d. moving Correct Ans. (a)
22.
Which of the following is nonliving character of virus? a. b. c. d.
genetic recombination mutation reproduction crystallization
Correct Ans. (d) 23.
Which of the following is not a viral disease? a. small pox b. tetanus c. mumps d. measles Correct Ans. (b)
24.
Polio virus is: a. b.
rod-shaped tadpole shaped
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spiral spherical
Correct Ans. (d) 25.
Which of the following is a viral disease? a. b. c. d.
Malaria Crown gall Mumps Pneumonia
Correct Ans. (c) 26.
Which of the following character of living things is found in vrisues? a. b. c. d.
respiration genetic recombination photosynthesis all of these
Correct Ans. (b) 27.
Which of the following is present in the cytoplasm of prokaryotes? a. b. c. d.
Mitochondria Ribosome Endoplasmic reticulum All of these
Correct Ans. (b) 28.
Bacterial are haploid organisms because the number of chromosomes in their cells is: a. b. c. d.
2 4 8 None of these
Correct Ans. (d) 29.
Which of the following is present in the cytoplasm of bacterial cell? a. b.
Glycogen Protein
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Fats Starch
Correct Ans. (d) 30.
Cell membrane of bacterial cell invaginates producing structure called: a. b. c. d.
Polysome Endosome Mesosome Centrosome
Correct Ans. (c)
31.
The chlorophyll of photosynthetic bacterial is localized in: a. b. c. d.
nucleus chloroplast mitochondria none of these
Correct Ans. (d)
32.
For the preparation of food, chemosynthetic bacteria use: a. b. c. d.
solar energy chemical energy nuclear energy thermal energy
Correct Ans. (b) 33.
Curing of tobacco involves: a. b. c. d.
Fungi Algae Cyanobacteria Bacteria
Correct Ans. (d) 34.
The conversion of atmospheric nitrogen into nitrates by bacteria is called:
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Nitrification Nitrogen fixation Denitrification Bacteria
Correct Ans. (b) 35.
In the retting of flax and hempcellulose fibers are freed by bacteria which decompose: a. b. c. d.
cellulose pectin starch glycogen
Correct Ans. (b) 36.
In blue-green algae photosynthesis takes place in: a. b. c. d.
Chloroplast Chromoplast Extensive system of membranes located at the router edge Mitochondria
Correct Ans. (c)
37.
Which of the following diseases of plants is caused by bacterial? a. b. c. d.
Rust Crowngall Smut Powdery mildew
Correct Ans. (b) 38.
Which of the following is cultivated in rice fields for the increase of soil fertility? a. b. c. d.
Anabaena Chlamydomonas Rhizobium Rhizopus
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Correct Ans. (a) 39.
Unicellular blue-green algae reproduce by: a. b. c. d.
fragmentation conjugation cell division hormogonia
Correct Ans. (c) 40.
Which of the following is enlarged resting cell with thickened walls, large food reserve and DNA? a. b. c. d.
trichome hormogonium ovum akinete
Correct Ans. (d) 41.
Which of the following is not true of Nostoc? a. b. c. d.
Autotroph Filamentous Unicellular Heterocyst
Correct Ans. (c)
42.
Nutrients are returned to the environment by: a. b. c. d.
producers decomposers herbivores carnovores
Correct Ans. (b)
43.
Which of the following is caused by bacteria?
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chicken pox leprosy ring worm AIDS
Correct Ans. (b)
CHAPTER 6 Choose the most appropriate answer:
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In majority of the Fungi the chief component of the cell wall is: a. b. c. d.
Cellulose Lignin Protein Chitin
Correct Ans. (d) 2.
Cellulose is absent in the cell wall of most: a. b. c. d.
Fungi Algae Pteredophytes Bryophytes
Correct Ans. (a) 3.
The hyphae of Rhizopus are : a. b. c. d.
Non-septate Septate Uninucleate Non of these
Correct Ans. (a) 4.
Rhizopus is: a. b. c. d.
Parasite Sporophyte Tracheophyte Saprophyte
Correct Ans. (d) 5.
The spores of Rhizopus are: a. b. c. d.
Motile Non-motile Flagellate Naked
Correct Ans. (b)
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Which of the following is used in cheese production: a. b. c. d.
Amanita Rhizopus Penecillium Neurospora
Correct Ans. (c) 7.
Smut is caused by: a. b. c. d.
Bacteria Virus Plasmodium Fungi
Correct Ans. (d) 8.
Which of the following is a human disease caused by Fungi? a. b. c. d.
Powdery mildew Ring worm Rusts Downy mildew
Correct Ans. (b) 9.
Ulva is: a. b. c. d.
Unicellular Filamentous Tubular None of these
Correct Ans. (a) 10.
Sexual reproduction in which small male gamete is motile while the large female gamete is immotile is called: a. b. c. d.
Isogamy Anisogamy Oogamy Karyogamy
Correct Ans. (d)
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Mycorrhiza is association of: a. Root-fungus b. Stem-fungus c. Alga-fungus d. Bacteria-fungus Correct Ans. (a)
12.
Mycorrhizal association is: a. b. c. d.
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Parasitic Symbiotic Saprophytic Chlorophytic
Correct Ans. (b) 13.
Sporophyte generation produces: a. b. c. d.
Gametes Zygote Embryo Spores
Correct Ans. (d) 14.
The chromosome number in the gametes of Ulva is: a. b. c. d.
Diploid Triploid Teraploid Monoploid
Correct ans. (d) 15.
The number of chromosomes in the cells of the Sporophyte plant body of Ulva is: a. b. c. d.
Diploid Triploid Teraploid Monoploid
Correct Ans. (a) 16.
Euglena is an animal because it lacks:
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Nucleus Chloroplast Cell wall Cell membrane
Correct Ans. (c) 17.
Mycelium is a term used for: a. Mass of spores b. Mass of sporangia c. Mass of hyphae d. Zoospores Correct Ans. (c)
18.
Root-like hyphae of Rhizopus are called: a. b. c. d.
Stolon Sporangiophore Rhizoids Rhizophores
Correct Ans. (c) 19.
Pyrenoid is involved in: a. b. c. d.
conversion of sugar into starch Conversion of starch into sugar Synthesis of protein Photosynthesis
Correct Ans. (a) 20.
Stigeoclonium is: a. b. c. d.
Fresh water unicellular green alga Fresh water multi cellular blue-green alga Fresh water multi cellular green alga Marine multi cellular green alga
Correct Ans. (c) 21.
Morels and truffles are: a. b.
Poisonous Non-edible
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Delicious None of these
Correct Ans. (c) 22.
In Rhizopus food is stored in the form of: a. b. c. d.
starch glucose lipid glycogen
Correct Ans. (d) 23.
Amanita is: a. Useful b. Edible c. Poisonous d. None of these Correct Ans. (c)
24.
In which of the following reproductive organs are not surrounded by sterile cells? a. b. c. d.
Thallophytes Bryophytes Pteriodophytes Spermatophytes
Correct Ans. (a)
25.
Which of the following lack chlorophyll? a. b. c. d.
algae mosses liverworts fungi
Correct Ans. (d) 26.
The saprophytes a. b. c.
live on living organic matter prepare their own food live on non-living organic matter
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do not need food
Correct Ans. (c) 27.
Which of the following is not the asexual method of reproduction in fungi? a. b. c. d.
fragmentation budding spore formation conjugation
Correct Ans. (d) 28.
Which of the following is common method of asexual reproduction in yeasts? a. b. c. d.
budding binary fission multiple fission spore formation
correct Ans. (a)
29.
Which of the following is included in sexual reproduction? a. b. c. d.
meiosis fusion of haploid nuclei formation of zygote all of these
Correct Ans. (d) 30.
The hyphae of Rhizopus are: a. b. c. d.
without nuclei Uninucleate Binucleate Multinucleate
Correct Ans. (d) 31.
Which of the following constitute the body of Rhizopus?
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Stolon Sporangiophores Rhizoids All of these
Correct Ans. (d) Which of the following anchor the Rhizopus and absorb nutrients? a. b. c. d.
Stolon Rhizoids Sporangiophores None of these
Correct Ans. (b) 33.
Which of the following form a network over the surface of the food? a. b. c. d.
stolon rhizoids Sporangiophores All of these
Correct Ans. (a) 34.
The dome shaped structure formed in the sporangium of Rhizopus is called:
35.
a. crown b. corona c. columella d. calyptra Correct Ans. (c) Each gametangium in Rhizopus contains: a. b. c. d.
One nucleus Two nuclei Many nuclei No nucleus
Correct Ans. (c) 36.
Which of the following is adaptation of fungi for terrestrial mode of life? a. b. c. d.
production of zoospores heterotrophic mode of nutrition presence of cell wall absence of flagellated spores
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Correct Ans. (d) 37.
Which of the following is not true of zygospore of Rhizopus? a. b. c. d.
without a wall has diploid nuclei has a thick wall resistant to unfavourable condition
Correct Ans. (a) 38.
Which of the following has been used extensively in understanding the principles of inheritance? a. b. c. d.
Rhizopus Agaricus Neurospora Penecillium
Correct Ans. (c) 39.
Which of the following is edible?
40.
a. Amanita b. Morels c. Rhizopus d. All of these Correct Ans. (b) Which of the following causes rusts in cereals? a. Rhizopus b. Penecillium c. Puccinia d. Neurospora Correct Ans. (c)
41.
Which of the following causes smut in wheat? a. b. c. d.
Phytophthora Ustilago Agaricus Aspergillus
Correct Ans. (b)
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Which of the following diseases is not caused by fungi? a. b. c. d.
potato blight fire-blight powdery mildew downy mildew
Correct ans. (b) 43.
Athletes foot disease in man caused by: a. b. c. d.
Epidermophyton Penecillium Rhizopus Agaricus
Correct Ans. (a) 44.
Which of the following is useful activity of fungi? a. b. c. d.
decomposition of food causing diseases recycling nutrient by decomposing organic compounds destroying of timbers
Correct Ans. (c) 45.
Which of the following is not present in Chlamydomonas? a. b. c. d.
cup-shaped chloroplast eye spot nucleus central vacuole
Correct Ans. (d)
46.
Which of the following is the method of asexual reproduction in Chlamydomonas? a. b. c.
budding fragmentation Akinetes formation
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Zoospore formation
Correct Ans. (d) 47.
Meiosis in Stigeoclonium occurs: a. b. c. d.
before gamete formation after gamete formation in the zygote during zoospore formation
Correct Ans. (c) 48.
Which of the following genera exhibits an alternation of generations, with haploid and diploid multicellular phase? a. b. c. d.
Chlamydomonas Stigeoclonium Ulva Euglena
Correct Ans. (c) 49.
In which of the following multicellular haploid phase alternates with unicellular diploid phase? a. b. c. d.
50.
Chlamydomonas Stigeoclonium Ulva Euglena
Correct Ans. (c)
Which of the following statement is true of Fungi Imperfecti? a. b. c. d.
produce gametes reproduce sexually have sexual phase lack sexual phase
Correct Ans. (d)
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Zygotes of species in the group Thallophyta a. b. c. d.
do not develop into embryo with in the parent plant are flagellated have triploid nuclei form from the union of diploid cells
Correct Ans. (a) 52.
Where there is alternation of generation, the diploid multicellular plant is called: a. b. c. d.
gametophyte saprophyte Sporophyte Parasite
Correct Ans. (c) 53.
Which of the following is mismatched? a. b. c. d.
Rhizopus_______ heterotrophic Pink bread mold ______ Penecillium Stigeoclonium ______ heterotrichous Ulva ______ marine
Correct Ans. (b) 54.
Which of the following is the characteristic of all fungi? a. b. c. d.
autotrophic parasitic saprophytic heterotrophic
Correct Ans. (d) 55.
The fusion of two motile dissimilar gametes is called: a. b. c. d.
Isogamy Anisogamy Oogamy somatogamy
Correct Ans. (b)
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Zygospores are generally absent in a culture of Rhizopus hyphae developed from a single spore due to: a. b. c. d.
deficiency of nutrients excess of nutrients presence of plus and minus strains absence of plus and minus strains
Correct Ans. (d)
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CHAPTER 7 Choose the most appropriate answer: 1.
They retain zygote after fertilization in the female reproductive organ which develops into an embryo: a. b. c. d.
Algae Fungi Cyanobacteria Bryophytes
Correct Ans. (d) 2.
It is much more uniform habitat and better supplied with nutrients: a. b. c. d.
Land Air Water Ice
Correct Ans. (c) 3.
The reproductive organs of moss plants are located on the: a. b. c. d.
Side of stem Base of stem Tip of stem Axil of leaves
Correct Ans. (c) 4.
The dominant generation in Bryophytes is: a. b. c. d.
Sporophyte Gametophyte Saprophyte Tracheophyte
Correct Ans. (b) 5.
Antheridium produces: a. b. c.
Eggs Sperms Spores
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Zygotes
Correct Ans. (b)
6.
The sex organs of moss plant are: a. b. c. d.
Unicellular Bicellular Tricellular Multicellular
Correct Ans. (d) 7.
The large nonmotile egg formed in heterogamy is full of: a. b. c. d.
stored food water air waste matter
Correct Ans. (a) 8.
Embryos are present in all: a. b. c. d.
Bryophytes Vascular plants Algae Both A & B
Correct Ans. (d) 9.
The zygote in moss plant divides and produces: a. b. c. d.
Sperms Eggs Embryo Spores
Correct ans. (c) 10.
In moss plant, spore on germination develops into: a.
Sporophyte
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Gametophyte Liverworts Pteredophytes
Correct Ans. (b)
11.
In Moss plant: a. b. c. d.
Gametophyte is dependent on Sporophyte Sporophyte is dependent on gametophyte Both are independent from each other Both are dependent on each other for food
Correct Ans. (b) 12.
Alternation of generation: a. b. c. d.
Increases the chances of survival Decreases the chances of survival Does not affect survival None of these
Correct Ans. (a) 13.
Meiosis (reduction division) in moss plant occurs: a. b. c. d.
Before gametes formation Before spore formation After spore formation After gametes formation
Correct ans. (b) 14.
Which of the following have unicellular reproductive organs? a. b. c. d.
mosses algae liverworts Pteredophytes
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Correct Ans. (b) 15.
Which of the following characteristics are adopted by organisms for life on land? a. b. c. d.
multicellular plant body heterogamy formation of embryos all of these
Correct ans. (d)
16.
Which of the following is an example of liverworts? a. b. c. d.
Funaria Marchantia Ulva Penecillium
Correct Ans. (b) 17.
The diffusion of oxygen and carbon dioxide in bryophytes take place through the: a. b. c. d.
epidermal cells stomata pores in the epidermis cuticle
Correct Ans. (c) 18.
The female sex organs in moss plant are called: a. b. c. d.
archegonia antheridia sporangia oogonia
Correct Ans. (a) 19.
Which of the following are produced in archegonia? a. b. c.
sperms eggs ovules
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spores
Correct Ans. (b) 20.
Which of the following produces embryo with in the parent plant? a. b. c. d.
Rhizopus Ulva Funaria Stigeoclonium
Correct Ans. (c)
21.
The alternation of generation in moss plant is: a. b. c. d.
isomorphic heterosporic isogamic heteromorphic
Correct Ans. (d) 22.
The gametophyte of a moss plant is: a. b. c. d.
Monoploid Diploid Triploid Polyploidy
Correct Ans. (a) 23.
Which of the following is mismatched in bryophytes? a. b. c. d.
archegonia _____ eggs Antheridia _____ spores Bryophytes ___ non __vascular plants Gametophyte ____ dominant
Correct Ans. (b)
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A moss sperm moves by means of: a. b. c. d.
pseudopodia one flagellum two flagella none of these
Correct Ans. (c) 25.
The bryophyte sperm attracted to the egg by: a. b. c. d.
moving currents of water chemical secretions opposite electric charges none of these
Correct Ans. (b)
26.
Embryonic development of the bryophyte zygote takes places in the: a. b. c. d.
protonema sporogonium Antheridium archegonium
Correct Ans. (d)
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CHAPTER 8 Choose the most appropriate answer: 1.
They are non-vascular plants: a. b. c. d.
Hosrsetails Conifers Club mosses Liverworts
Correct Ans. (d) 2.
They are water conducting cells of xylem tissue: a. b. c. d.
parenchyma sclera chyma trachieds sieve tubes
Correct Ans. (c) 3.
It is dominant generation in tracheophytes: a. b. c. d.
Gametophyte Saprophyte Sporophyte Thallophyte
Correct Ans. (c) 4.
It is the oldest vascular plants: a. b. c. d.
Psilotum Selaginella Lycopodium Equisetum
Correct Ans. (a) 5.
It is a fossil vascular plant: a. b. c. d.
Rhynia Psilotum Pinus Lycopodium
Correct Ans. (a)
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The branches of primitive vascular plants are: a. b. c. d.
U-shaped V-shaped Y-shaped W-shaped
Correct Ans. (c) 7.
Xylem in the stem of primitive vascular plants is: a. b. c.
absent external to phloem none of these
Correct Ans. (C) 8.
The number of veins in Megaphyllous leaf is: a. b. c. d.
One Two Three Many
Correct Ans. (d) 9.
The first step in the evolution of Megaphyllous leaf is called: a. b. c. d.
Webbing Formation of out growth Planation Plantation
Correct Ans. (c) 10.
In Selaginella, roots are produced from leafless branches called: a.
Rhizoids
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Rhizomorph Rhizophores Sporophore
Correct Ans. (c)
11.
The stem of Selaginella does not contain: a. b. c. d.
xylem Phloem Cambium Epidermis
Correct Ans. (c) 12.
Male gametophyte develops from: a. b. c. d.
Archegonium Antheridium Megaspore Microspore
Correct Ans. (d) 13.
The embryo of Selaginella develops into: a. b. c. d.
Gametophyte Thallophyte Saprophyte Sporophyte
Correct Ans. (d) 14.
Production of two types of spores is called: a. b. c. d.
Microspory Megaspory Homospory Heterospory
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Correct Ans. (d) 15.
All seed plants are: a. b. c. d.
Homosporous Isogamous Heterosporous None of these
Correct Ans. (c) 16.
Megaspore develops into: a. b. c. d.
Male gametophyte Female gametophyte Male Sporophyte Female Sporophyte
Correct Ans. (b) 17.
Pollen tube is required for the production of: a. b. c. d.
Embryo Spore Zygote Seed
Correct Ans. (d) 18.
Integumented mega sporangium in which megaspore is retained is called: a. b. c. d.
Ovule Seed Embryo Pollen tube
Correct Ans. (a) 19.
In Selaginella the embryo develops into: a. b. c. d.
Root, stem, leaves and cotyledons Root, stem, leaves and flowers Root, stem, leaves and seeds Root, stem, leaves and fruits
Correct Ans. (a)
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Primitive vascular paints had sporangia at: a. b. c. d.
Axils of leaves Bases of branches Tips of branches Both A & B
Correct Ans. (c) 21.
Which one of the following is necessary for the development of seed? a. b. c. d.
introduction of Heterospory retention of the megaspore within mega sporangium development of pollen tube all of these
Correct Ans. (d)
22.
Which of the following are non-vascular plants? a. b. c. d.
club mosses ferns mosses conifers
Correct Ans. (c) 23.
In tracheophyte the Sporophyte generation is a. b. c. d.
dependent dominant without leaves without roots
Correct Ans. (b) 24.
Which of the following is not the character of gametophyts in tracheophyte? a.
large
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reduced short lived small
Correct Ans. (a) 25.
Which of the following do not produce seeds? a. b. c. d.
ferns club mosses horse tails all of these
Correct Ans. (d) 26.
The Pteredophytes are also called lower vascular plants because they: a. b. c. d.
contain cambium do not produce seeds produce flowers non of these
Correct Ans. (b)
27.
Which of the following do not have true leaves? a. b. c. d.
Psilotum Selaginella Equisetum Lycopodium
Correct Ans. (d) 28.
The oldest known vascular plants were widespread about a. b. c. d.
300 million year ago 400 million years ago 500 million year ago 600 million year ago
Correct Ans. (a)
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In which of the following only the stem performs the function of photosynthesis? a. b. c. d.
Psilotum Selaginella Lycopodium Equisetum
Correct Ans. (a) 30.
Which of the following number of rows of leaves are present on the stem of Selaginella? a. b. c. d.
two four five six
correct Ans. (b) 31.
Which of the following is not the part of Selaginella plant? a. b. c. d.
Stem Root Seed Leaves
Correct Ans. (c)
32.
Reproductive leaves produced at the ends of upright branches in Selaginella are called: a. b. c. d.
sporophylls sporangia sporocarps spermatia
Correct Ans. (a) 33.
In Selaginella, sporangia are produced: a.
at the lower margins of leaves
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on the lower surface of leaves in the axils of sporophyll on the upper surface of sporophylls
Correct Ans. (c) 34.
Megaspores are produced inside a. b. c. d.
microsporangia megasporangia archegonia antheridia
Correct Ans. (b) 35.
Meiosis in Selaginella occurs a. b. c. d.
before zygote germination before gametes formation before spores formation after spore formation
correct Ans. (c) 36.
In Selaginella sperms are transported to the egg through a. b. c. d.
insects water pollen tube air
correct Ans. (b)
37.
Which of the following are trends towards seed habit exhibited by Selaginella? a. b. c. d.
Heterospory Presence of pollen tube Non-flagellated sperms Dependency on water for fertilization
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Correct Ans. (a) 38.
In which of the following sporangium is enveloped in a leaf? a. b. c. d.
Equisetum Psilotum Selaginella Lycopodium
Correct Ans. (d) 39.
The sporangia of horsetail (Equisetum) cones are produced a. b. c. d.
in the axils of leaves on the tip of branches on little branches enveloped in leaf
Correct Ans. (c) 40.
In which of the following sporangia are not properly protected? a. b. c. d.
Pines Psilotum Selaginella Lycopodium
Correct Ans. (b) 41.
Which of the following is not the character of seed plants? a. b. c. d.
Heterospory Presence of pollen tube Dependency on water for fertilization Development of seed
Correct Ans. (c)
42.
Which of the following are the characteristics of the ovule? a. b.
presence of integument retention of megaspore
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maturation into seed all of these
Correct Ans. (d) 43.
Which of the following helped the seed plants to adapt to a wide variety of environments? a. b. c. d.
Heterospory Presence of roots No dependency on external water for fertilization Production of leaves
Correct Ans. (c) 44.
Sperms are transported to the egg in seed plants through? a. b. c. d.
water pollen tube insects air
Correct Ans. (b) 45.
A plant in the division Tracheophyta has a Sporophyte with a. b. c. d.
isogametes flagellated and motile eggs vessels that transport fluids no independent life
correct Ans. (c) 46.
In Selaginella, of the two cells formed by the first division of zygote, only one develops into an embryo while the other grows into an elongated structure called. a. b. c. d.
rhizophore radical suspensor prothallus
Correct Ans. (c)
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CHAPTER 9 Choose the most appropriate answer: 1.
Which of the following belongs to Gymnosperm group: a. b. c. d.
Cedrus Wheat Sugar cane Tobacco
Correct Ans. (a) 2.
The leaves produced by the Pinus plant are: a. b. c. d.
One type Two types Three types Four types
Correct Ans. (b) 3.
Pinus produces: a. b. c. d.
Cones Fruits Flowers None of these
Correct Ans. (a) 4.
The numb of microsporangia in each sporophyll of male cone of Pinus is: a. b. c. d.
One Two Three Four
Correct Ans. (b) 5.
Megaspore divides by mitosis and forms: a. b. c. d.
Male gametophyte Male Sporophyte Female gametophyte Female Sporophyte
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The seed of Pinus germinates and forms new: a. b. c. d.
7.
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Correct Ans. (a) The endosperm in Angiosperm is: a. b. c. d.
Monoploid Triploid Diploid Teraploid
Correct Ans. (b) 8.
The Endosperm in Gymnosperms is: a. b. c. d.
Triploid Diploid Monoploid Tetraploid
Correct Ans. (c) 9.
Antheridia are produced by: a. b. c. d.
Pine Pea Mustard None of these
Correct Ans. (d) 10.
They lack secondary growth: a. b. c. d.
Gymnosperms Angiosperms Pteredophytes Both A & B
Correct Ans. (c)
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Which of the following produce flowers? a. b. c. d.
Bryophytes Pterdophytes Gymnosperms Angiosperms
Correct Ans. (d) 12.
When calyx and corolla are not distinguishable, they are collectively called: a. b. c. d.
Panicle Pedicel Protoplast Perianth
Correct Ans. (d) 13.
It is a racemose inflorescence in which the main axis is elongated and the flowers are sessile: a. b. c. d.
Corymb Umbel Capitulum Spike
Correct Ans. (d) 14.
In Cassia fistula the inflorescence is: a. b. c. d.
Typical raceme Typical cyme Umbel Catkin
Correct Ans. (a) 15.
A branched raceme is called: a. b. c. d.
Panicle Capitulum Umbel Corymb
Correct Ans. (a)
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In which of the following, flowers are sessile and crowded together on a short axis? a. b. c. d.
Umbel Corymb Panicle Capitulum
Correct Ans. (d)
17.
Iberis (Candytuft) is an example of: a. b. c. d.
Spike Catkin Corymb Cyme
Correct Ans. (c) 18.
In Euphorbia, the inflorescence is: a. b. c. d.
Uniparous Biparous Multiparous None of these
Correct Ans. (c) 19.
In wind pollinated flowers the petals are: a. b. c. d.
Large Coloured Scented Small and dry
Correct Ans. (d) 20.
Triticum aestivum belongs to the family:
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Solanaceae Poaceae (Graminae) Brassicaceae Leguminosae
Correct Ans. (b) 21.
Female gametophyte of an angiosperm consists of: a. b. c. d.
3 cells 5 cells 7 cells 9 cells
Correct Ans. (c) 22.
The male gametophyte of an angiosperm consists of: a. one cell b. 2 cells c. 3 cells d. 4 cells Correct Ans. (c)
23.
Endosperm mother cell is: a. b. c. d.
Monoploid Diploid Triploid Tetraploid
Correct Ans. (b) 24.
Their cotyledons absorb the endosperm tissue and are greatly enlarged: a. b. c. d.
Castor oil Rice Corn Bean
Correct Ans. (d) 25.
The protective covering (integument) of the ovule is transformed into: a. b.
Embryo Cotyledon
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Hypocotyl Seed coat (testa)
Correct Ans. (d) 26.
Which of the following produces winged fruits ? a. b. c. d.
Guavas Cocklebur Dodonaea Coconut
Correct Ans. (c) 27.
It is an underground stem that is short, thickened, and fleshy containing food material: a. b. c. d.
Rhizome Tuber Corm Bulb
Correct Ans. (c)
29.
Which of the following type of stem is found in iris: a. b. c. d.
Rhizome Tuber Corm Bulb
Correct Ans. (a) 30.
Potato is an example of a. b. c. d.
Rhizome Tuber Corm Bulb
Correct Ans. (b)
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Organisms in this kingdom are made of prokaryotic cells: a. b. c. d.
Protista Plantae Fungi Monera
Correct Ans. (d) 32.
Ovary is oblique in: a. b. c. d.
Brassicaceae (Cruciferae) Solanaceae Leguminosae Graminae
Correct Ans. (b) 33.
Raphanus sativus is the botanical name of: a. b. c. d.
Turnip Tomato Radich Mustard
Correct Ans. (c) 34.
Their roots contain nitrogen fixing bacteria: a. Tomato b. Potato c. Legumes d. Maize Correct Ans. (c)
35.
The sporangia of conifers are located on the a. b. c. d.
tips of needles scales of the cones bases of the needles axils of the branches
Correct Ans. (b) 36.
The microspore of conifers divides by mitosis to produce a
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multicellular embryo male Sporophyte male gametophyte female gametophyte
Correct Ans. (c) 37.
The plant body of a Pinus is a. b. c. d.
gametophyte saprophyte Sporophyte Parasite
Correct Ans. (c) 38.
In Pinus plant megaspore a. b. c. d.
is released from the asporangium before germination is never released from the mega sporangium is released from the mega sporangium after germination develops into male gametophyte
Correct Ans. (b) 39.
In how much time the process of seed formation is completed in Pinus? a. b. c. d.
one year two years three years four years
Correct Ans. (c)
40.
Which of the following is not shared by both the Pteridophytes and Gymnosperms? a. b. c. d.
presence of vascular tissues presence of archegonia presence of antheridia dominant Sporophyte generation
Correct Ans. (c)
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Which of the following characters are shared by both the Gymnosperms and Angiosperms? a. b. c. d.
Heterospory Seed production Pollen tube formation All of these
Correct Ans. (d) 42.
Which of the following characters is not shared by both the Gymnosperms and Angiosperms? a. b. c. d.
presence of vessels pollen tube seed production Heterospory
Correct Ans. (a) 43.
Which of these is not the characteristic of an Angiosperm? a. b. c. d.
enclosed seed presence of archegonia double fertilization triploid endosperm
Correct Ans. (b) 44.
Which of the following is an example of spike? a. b. c. d.
Brassica Achyranthus Iberis Cassia
Correct Ans. (b)
45.
Which of the following is an example of Biparous cyme? a. b.
Silene Tradescantia
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Begonia Euphorbia
Correct Ans. (a) 46.
In which of the following endosperm is involved in the process of fertilization? a. b. c. d.
Gymnosperms Pteredophytes Angiosperms Algae
Correct Ans. (c) 47.
Which of the following is part of an embryo? a. b. c. d.
hypocotyls radical epicotyl all of these
Correct Ans. (d) 48.
Which of the following is not part of an embryo? a. b. c. d.
cotyledon endosperm plumule epicotyl
Correct Ans. (b) 49.
In which of the following the endosperm tissue continues to grows as the ovule matures into a seed? a. b. c. d.
corn bean pea gram
Correct Ans. (a)
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Which of the following is not the feature of flowers pollinated by wind? a. b. c. d.
small petals abundance of pollen grains production of nectar large feathery structure of the tip of pistils
Correct Ans. (c) 51.
Which of the following is the character of insect pollinated flowers? a. b. c. d.
large petals coloured petals production of nectar all of these
Correct Ans. (d) 52.
In the life cycle of angiosperms meiosis occurs a. b. c. d.
during seed formation before seed formation after spore formation during gametes formation
Correct Ans. (b) 53.
Which of the following is not the part of Sporophyte of an angiosperm? a. b. c. d.
sperm roots leaves stem
Correct Ans. (a) 54.
The corn grain is a/an a. b. c. d.
seed embryo spore fruit with a single seed
Correct Ans. (d)
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The number of cotyledons present in bean seed is: a. b. c. d.
one two three four
Correct Ans. (b) 56.
Which of the following is the number of cotyledons in corn seed? a. b. c. d.
one two three four
Correct Ans. (a) 57.
The fruits of which of the following are provided with hooks? a. b. c. d.
Dodonaea Cocklebur Coconut Grapes
Correct Ans. (b) 58.
Which of the following generally possesses only primary wood? a. b. c. d.
Monocotyledons Gymnosperms Dicotyledons All of these
Correct Ans. (a) 59.
Which of the following fruits are parthenocarpic? a. b. c. d.
apples oranges mangoes bananas
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88
Correct Ans. (d)
60.
In which of the following the thalamus forms the edible part of the fruit? a. b. c. d.
pea apple grapes mango
Correct Ans. (b) 61.
The chief characteristic of the succulents is that the bulk of the plant body is composed of a. b. c. d.
food storage cells water storage cells reproductive cells dead cells
Correct Ans. (b) 62.
Which of the following is reduced if the leaves are succulents in the succulent plants? a. b. c. d.
stem roots flowers fruits
Correct Ans. (a) 63.
Which of the following is not the characteristic of the succulents? a. b. c. d.
well developed cuticle low rate of transpiration volume of the shoot is less in proportion to the surface exposed volume of the shoot is great in proportion to the surface exposed
Correct Ans. (d) 64.
Which of the following has stored food in the form of sugars?
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stem tuber bulb corm rhizome
Correct Ans. (b) 65.
Which of the following established rules for binomial nomenclature? a. b. c. d.
H.C. Gram C. Linnaeus R. Whittaker Stanley
Correct Ans. (b) 66.
Which of the following established five kingdom system of the living organisms? a. b. c. d.
Stanley C. Linnaeus Lederberg R. Whittaker
Correct Ans. (d) 67.
Which of the following is not the characteristic of Gymnosperm? a. b. c. d.
stem root flower leaf
Correct Ans. (c) 68.
Which of these is an example of uniparous cyme? a. b. c. d.
Euphorbia Tradescantia Ipomoea Achyranthes
Correct Ans. (b) 69.
Which of the following is the approximate number of species in the family Brassicaceae (Cruciferae)?
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2000 3000 4000 5000
Correct Ans. (b)
70.
Sisymbrium irio belongs to the family a. b. c. d.
Solanaceae Fabaceae Brassicaceae (Cruciferae) Poaceae
Correct Ans. (c) 71.
Which of the following belongs to the family Solanaceae? a. b. c. d.
Cicer arietinum Iberis amara Zea mays Capsicum annum
Correct Ans. (d) 72.
In which of the following families Gynoecium consists of only one pistil? a. b. c. d.
Leguminosae (Fabaceae) Solanaceae Brassicaceae None of these
Correct Ans. (a) 73.
Which of the following are adapted to survival under conditions of a limit supply of water? a. b. c. d.
Bryophytes Hydrophytes Xerophytes Mesophytes
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91
Correct Ans. (c) 74.
Which of the following has hollow stem between the nodes? a. b. c. d.
Poaceae (Graminae) Solanaceae Leguminosae All of these
Correct Ans. (a)
75.
In which of the following flowers are produced in dense spikes? a. b. c. d.
Solanaceae Leguminosae Brassicaceae Graminae
Correct Ans. (d) 76.
Which of these is mismatched? a. b. c. d.
pollen grain _______ male gametophyte sunflower ________ umbel Gymnosperm _________ cones Potato _______ stem tuber
Correct Ans. (b) 77.
Which of these is found in seed plants? a. b. c. d.
complex vascular system pollen grain to replace swimming sperm retention of the megaspore with in the mega sporangium all of these
Correct Ans. (d) 78.
Which of these is mismatched? a.
anthers _______ produces microsporangia
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pistil ______ produces pollen ovule ______ becomes seed ovary _____ becomes fruit
Correct Ans. (b) 79.
Which of the following is monocot family? a. b. c. d.
Cruciferae Solanaceae Leguminosae Graminae
Correct Ans. (d)
80.
Which of the following are seedless vascular plants? a. b. c. d.
mosses horsetails liverworts legumes
Correct Ans. (b) 81.
All embryophytes have life cycle with a. b. c. d.
seeds flowers fruits alternation of generation
Correct Ans. (d) 82.
Which of the following contains stored food for the germination of embryo? a. b. c. d.
stigma endosperm pollen grain root
Correct Ans. (b)
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93
In which of the following food is not stored in the endosperm of the seed? a. b. c. d.
corn castor oil bean wheat
Correct Ans. (c) 84.
Which of the following stores food in the cotyledon of the seed? a. b. c. d.
corn wheat castor oil bean
Correct Ans. (d)
85.
Which of these does not develop from the zygote of an angiosperm? a. b. c. d.
endosperm cotyledon radical plumule
Correct Ans. (a) 86.
Which of these remain underground during hypogeal mode of germination? a. b. c. d.
plumule cotyledon epicotyl none of these
Correct Ans. (b) 87.
Phylogeny describes a species a.
reproductive compatibilities with other species
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evolutionary history morphological similarities with other species geographic distribution
Correct Ans. (d) 88.
Of all the taxa, the only one that exists in nature as a biologically cohesive unit is the: a. b. c. d.
species genus order kingdom
Correct Ans. (a) 89.
The part of the embryo between the point of attachment of cotyledons and the radicle is called the: a. b. c. d.
hypocotyls epicotyl suspensor plumule
Correct Ans. (a) 90.
The part of the axis of embryo above the attachment of cotyledon is called the a. b. c. d.
plumule epicotyl radicle hypocotyl
Correct Ans. (b) 91.
In the seeds of leguminous plants, food is stored in the a. b. c. d.
endosperm testa taegmen cotyledons
Correct Ans. (d)
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CHAPTER 10 Choose the most appropriate answer: 1.
Which of the following is the asexual method of reproduction in Protozoa? a. b. c. d.
Isogamy An-isogamy Oogamy Budding
Correct Ans. (d)
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Which of the following sexual method of reproduction is absent in Protozoa? a. b. c. d.
Oogamy Isogamy Anisogamy Conjugation
Correct Ans. (a) 3.
Which of these is shelled protozoan? a. b. c. d.
Plasmodium Paramecium difflugia Amoeba
Correct Ans. (c) 4.
Which of these is not the characteristic of Proifera? a. b. c. d.
aquatic habitat pores Multicellular Presence of organs
Correct Ans. (d) 5.
Members of the porifera reproduce sexually by a. b. c. d.
6.
Oogamy Isogamy As-isogamy Somatogamy
Correct Ans. (a)
Which of these is a fresh water sponge? a. b. c. d.
Sycon Leucosolenia Spongilla Euplectella
Correct Ans. (c)
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Coelenterates are: a. b. c. d.
predominantly freshwater predominantly marine predominantly terrestrial terrestrial and freshwater
Correct Ans. (b) 8.
Which of these is not the character of Coelenterates? a. b. c. d.
primitive plan of organization no left and right sides of the body radical symmetry bilaterial symmetry
Correct Ans. (d) 9.
The sac-like internal digestive cavity of coelenterates is called: a. b. c. d.
enteron nematocytes exeron stomach
Correct Ans. (a) 10.
Which of these is the characteristic of coelenterates? a. b. c. d.
digestive cavity with a single aperture presence of nematocytes presence of tentacles all of these
Correct Ans. (d)
11.
The units of the colonies of coelenterates is called: a.
zoospores
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zooids cysts akinetes
Correct Ans. (b) 12.
Which of the following is polymorphism in coelenterates? a. b. c. d.
production of one type of zooids production of two types of zooids production of may types of zooids all of these
Correct Ans. (c) 13.
Which of these are sexually reproductive zooids? a. b. c. d.
medusae hydroids nematocytes none of these
Correct Ans. (a) 14.
Which of the following produce hard exoskeletion? a. b. c. d.
jelly fish Hydra Obelia Corals
Correct Ans. (d) 15.
Which of these develops from the endoderm? a. b. c. d.
nervous system lining of the gut reproductive system skeleton
Correct Ans. (b)
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Which of these develops from the mesoderm? a. b. c. d.
circulatory system integumentary system nervous system digestive system
Correct Ans. (a) 17.
Organisms possessing true body cavity are called: a. b. c. d.
acoelomata coelomata monoblastic diplobalstic
Correct Ans. (b) 18.
Which of these are acoelomatic triploblastic animals? a. b. c. d.
corals porifera platyhelminthes protozoans
Correct Ans. (c) 19.
Which of the following character is exhibited by platyhelminthes? a. b. c. d.
eggs without yolk simple reproductive system all are parasites none of these
Correct Ans. (d) 20.
Which of these belong to platyhelminthes? a. b. c. d.
Ascaris Fasciola Trichinella Hydra
Correct Ans. (b)
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Trichinella belongs to: a. b. c. d.
protozoa platyhelminthes nematode coelenterate
Correct Ans. (c) 22.
Which of the following has a body cavity called pseudocoelom? a. b. c. d.
platyhelminthes coelenterate protozoa nematode
Correct Ans. (d) 23.
Which of the following is parasite in the intestine man? a. b. c. d.
Fasciola Plasmodium Taenia Planaria
Correct Ans. (c) 24.
Which of these belong to the phylum nematoda? a. b. c. d.
planaria dracunculus corals planaria
Correct Ans. (b) 25.
Which of the following causes sleeping sickness? a. b.
vorticella Ascaris
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Trypanosome Taenia
Correct Ans. (c)
26.
Which of the following has segmented body? a. b. c. d.
coelenterate protozoa platyhelminthes annelida
Correct Ans. (d) 27.
Which of these is not true of Annelida? a. b. c. d.
Presence of cuticle around the body Segmented body Lack of blood vascular system Presence of true body cavity
Correct Ans. (c) 28.
Which of these possesses true body cavity (coelom)? a. b. c. d.
Annelia Nematoda Platyhelminthes Coelenterata
Correct Ans. (a) 29.
Which of these is an example of Annelida? a. b. c. d.
Ascaris Chaetopteris Trichinella Taenia
Correct Ans. (c)
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Of all the animal species in the animal kingdom the number of arthropod species constitutes almost: a. b. c. d.
75% 50% 25% 10%
Correct Ans. (a)
31.
The number of pairs of legs in insects are: a. b. c. d.
one two three four
Correct Ans. (c) 32.
Mollusks are: a. b. c. d.
presence of envelop around the body highly organized body with complex systems segmented body bilaterally symmetrical body
Correct Ans. (c) 33.
Which of these is the habitat of mollusca? a. b. c. d.
freshwater marine mountains all of these
Correct Ans. (d) 34.
Coiled shell is present in
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bivalves gastropods cephalopods all of these
Correct Ans. (b) 35.
Which of the following are exclusively marine? a. b. c. d.
Mollusca Annelida Nematoda Echinodermata
Correct Ans. (d)
36.
Which of these is not true of Echinodermata? a. b. c. d.
coelomata bilaterally symmetrical absence of brain absence of head
Correct Ans. (b) 37.
Which of the following protozoans lives in the gust termites and helps them digest cellulose? a. b. c. d.
Plasmodium Amoeba Trichonympha Trypanosome
Correct Ans. (c) 38.
Most sponges are a. b.
bilaterally symmetrical radially symmetrical
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vertically symmetrical asymmetrical
Correct Ans. (d) 39.
Water exits from a sponge through the a. b. c. d.
spicule osculum choanocyte choanocyte
Correct Ans. (b) 40.
Which of the following is a radially symmetrical animal? a. b. c. d.
Planaria Rotifer Fluke Sea anemone
Correct Ans. (d)
41.
The body cavity of roundworms is called a. b. c. d.
acoelom pseudo-acoelom pseudo coelom coelom
Correct Ans. (c)
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CHAPTER 11 Choose the most appropriate answer: 1.
The characters of vertebrates are: a. b. c. d.
presence of vertebral column internal living skiliton three main body parts all of these
Correct Ans. (d) 2.
Vertebrates are: a. b. c. d.
bilaterally symmetrical radially symmetrical vertically symmetrical asymmetrical
Correct Ans. (a) 3.
Which of these is not true of Pisces? a. b. c. d.
presence of gills for breathing tail as organ of locomotion undeveloped skull absence of middle ear
Correct Ans. (c) 4.
Which of these are regarded as the first of the vertebrates? a. b. c. d.
bony fishes jawless fishes cartilaginous fishes all of these
Correct Ans. (b) 5.
Sharks belong to a. b. c. d.
cartilaginous fishes bony fishes jawless fishes none of these
Correct Ans. (a)
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Jellyfish fish belongs to a. bony fishes b. cartilaginous fishes c. jawless fishes d. none of these Correct Ans. (d)
7.
Which of the following are without jaws? a. b. c. d.
dogfish trout pike none of these
Correct Ans. (d) 8.
Which of these has cartilaginous skeleton? a. b. c. d.
sharks eel pike rohu
Correct Ans. (a) 9.
Which of the following is the character of amphibians? a. b. c. d.
living both in water and on land cold blooded least numerous of the terrestrial vertebrates all of these
Correct Ans. (d) 10.
Which of these is not true of amphibians? a. b. c. d.
breathing by gills in the larval stage breathing by lunge in the adult stage mostly internal fertilization cold blooded
Correct Ans. (c) 11.
Salamander is an example of
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bony fishes jawless fishes amphibians cartilaginous fishes
Correct Ans. (c)
12.
Which of the following is not the character of amphibians? a. b. c. d.
cold blooded do not depend on water for reproduction hibernate in winter breath by gills in the larval stage
Correct Ans. (b) 13.
Reptiles are a. b. c. d.
warm blooded cold blooded with internal fertilization with a scaly skin
Correct Ans. (b) 14.
Which of these is not true of reptiles? a. b. c. d.
internal fertilization predominantly terrestrial tetrapods dependent on water for reproduction
Correct Ans. (d) 15.
Which of these is not the character of reptiles? a. b. c. d.
fertilization is internal eggs are large shelled lay eggs in water cold blooded
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Correct Ans. (c) 16.
Which of the following is the character of reptiles? a. b. c. d.
dipods tetrapods pentapods polypods
Correct Ans. (b)
17.
The heart of reptiles is a. b. c. d.
imperfectly two chambered imperfectly three chambered imperfectly four chambered eight chambered
Correct Ans. (c) 18.
Which of the following is true of reptiles? a. b. c. d.
do not lay eggs lay eggs in water lay eggs on land eggs are without yolk
Correct Ans. (c) 19.
In reptiles amnion and allantois are extra membranes of: a. b. c. d.
egg sperm zygote embryo
Correct Ans. (d) 20.
Which of these is an example of amphibian?
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sea horse rohu newt snake
Correct Ans. (c) 21.
Which of these is extinct reptile? a. b. c. d.
22.
Turtles Brontosaurus Snake Alligator
Correct Ans. (b) Which of these do the Reptiles and Aves not share? a. Similar embryonic development b. Presence of forelimbs c. Shelled eggs d. Scales on hind limbs Correct Ans. (b)
23.
Which of these is not true of birds? a. b. c. d.
cold blooded heavy bones weak pectoral muscles all of these
Correct Ans. (d) 24.
Which of the following birds cannot fly? a. b. c. d.
Rhea Cassowary Penguin All of these
Correct Ans. (d) 25.
In mammals fertilization is a. b. c.
absent internal external
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both internal and external
Correct Ans. (b) 26.
The ear of mammals is divided into a. b. c. d.
three parts four parts five parts six parts
Correct Ans. (a) 27.
The skin of mammals is provided with sweat glands for a. b. c. d.
respiration temperature regulation oily secretion blood movement regulation
Correct Ans. (b) 28.
Which of these is not the mammalian character? a. presence of hairs b. right aortic arch c. diaphragm d. well developed large brain Correct Ans. (b)
29.
Which of these is not true of the egg laying mammals? a. b. c. d.
feeding young with milk presence of hairs diaphragm right aortic arch
Correct Ans. (d) 30.
Which of these are the placental mammals? a. b. c. d.
prototherians metatherians eutherians all of these
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Correct Ans. (c) 31.
Metatherians a. b. c. d.
lay eggs have to teeth in the adult do not have true placenta have spiny skin
Correct Ans. (c) 32.
Flying mammals are included a. b. c. d.
Rodentia Chiroptera Primates Cetacean
Correct Ans. (b) 33.
Elephants are included in a. b. c. d.
carnivore perissodactyla artiodactyla proboscidia
Correct Ans. (d) 34.
Artiodactyla include a. moles b. cattle c. horses d. wolves Correct Ans. (b)
35.
In Which of the following young are born in rudimentary conditions? a. b. c. d.
kangaroos zebras elephants bats
Correct Ans. (a)
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The vertebrates are a. b. c. d.
all unisexual all hermaphrodite some unisexual and some hermaphrodite all neuter (without sex)
Correct Ans. (a)
CHAPTER 12
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DIVERSITY IN FUNCTION PLANTS WATER RELATIONS: PHOTOSYNTHESIS Choose the most appropriate answer: 1.
The water of guttation is forced out of the leaves by: a. b. c. d.
Diffusion Root Pressure Imbibition Active transport
Correct Ans. (b) 2.
The movement of solvent molecules through a semi-permeable membrane from a region of low solute concentration to a region of high solute concentration is: a. b. c. d.
Diffusion Plasmolysis Osmosis Active transport
Correct Ans. (c) 3.
The osmotic pressure of a solution a. b. c. d.
increases with increase in concentration of solute decrease with increase in concentration of solute remains unchanged with increase in concentration of sol none of these
Correct Ans. (a) 4.
The transport of substances from a region of its lower concentration to its higher concentration is called: a. b. c. d.
Osmosis Imbibition Active transport Passive transport
Correct Ans. (c) 5.
The taking up of a liquid by a substance with the resultant swelling in volume is called:
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Plasmolysis Imbibitions Diffusion Active transport
Correct Ans. (b)
6.
Germination of seed involves the rupturing of seed coat because of: a. b. c. d.
Osmosis Imbibitions Diffusion Active transport
Correct Ans. (b) 7.
The shrinkage of protoplasm due to ex-osmosis of water from the cell is called: a. b. c. d.
Osmosis Deplasmolysis Plasmolysis Imbibition
Correct Ans. (c) 8.
The process where by water moves through the plants is known as : a. b. c. d.
Transpiration Translocation Guttation Osmosis
Correct Ans. (b) 9.
Which of the following conducts water inside plant body? a. b. c. d.
phloem xylem cortex pith
Correct Ans. (b)
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The exudation of water drops from the leaves of intact plants is: a. b. c. d.
guttation transpiration evaporation transportation
Correct Ans. (a) 11.
In which of the following assimilates move along the concentration gradient? a. b. c. d.
sieve tubes xylem vessels trachieds fibers
Correct Ans. (a) 12.
Which of the following percentage of transpiration usually occurs through the stomata? a. b. c. d.
30% 50% 60% 90%
Correct Ans. (d) 13.
The combined area of total stomatal pores as compared to the total leaf area is almost: a. b. c. d.
1-2% 3-4% 5-6% 7-8%
Correct Ans. (a) 14.
The number of stomata per square centimeter of leaf surface of tobacco leaf is almost: a. b. c. d.
1200 2100 12000 21000
Correct Ans. (c)
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The processes involved in stomatal transpiration are: a. b. c. d.
2 4 8 6
Correct Ans. (a) 16.
When leaf cells are fully turgid, the transpiration rate is: a. b. c. d.
high medium low not affected
Correct Ans. (a) 17.
The rate of water evaporation doubles for every temperature rise of: a. b. c. d.
10 oC 20 oC 5 oC 25 oC
Correct Ans. (a) 18.
Oxygen gas released during photosynthesis is comes from: a. b. c. d.
Water CO2 Glucose None of these
Correct Ans. (a) 19.
Chlorophylls c, d and e are present in: a. b. c. d.
Angiosperms Gymnosperms Bacteria Algae
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Correct Ans. (d)
20.
Chlorophyll is a large molecule with a central core of: a. b. c. d.
Iron Sulphur Nitrogen Magnesium
Correct Ans. (d) 21.
Chlorophyll mainly absorbs red light and: a. b. c. d.
Green light Yellow light Blue light Orange light
Correct Ans. (c) 22.
In the photo system II, high energy electrons of chlorophyll molecule are accepted by: a. b. c. d.
PC PQ NAD ATP
Correct Ans. (B) 23.
During light reaction of photosynthesis, ATP formation occurs when electrons are transported between cytochrome: a. b. c. d.
a and b b and c b and f c and f
Correct Ans. (c)
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High energy electrons in photo system I are transferred from FRS to: a. b. c. d.
25.
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ATP PC NADP PQ
Correct Ans. (C)
As a first identifiable product of the dark reaction is: a. b. c. d.
PGA PGAL Glucose RuBP
Correct Ans. (c) 26.
Light reaction of photosynthesis occurs in: a. b. c. d.
Granum Stroma Mitochondria Leucoplast
Correct Ans. (a) 27.
The break down of water molecule (photolysis) in photosynthesis occurs during: a. b. c. d.
light reaction dark reaction Glycolysis Krebs cycle
Correct Ans. (a) 28.
The wave lengths of red light are in the range of: a. b. c. d.
400-500 nm 500-550 nm 600-650 nm 700-750 nm
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Correct Ans. (d) 29.
Which of the following are the principal photoreceptors in the chloroplast of green plants? a. b. c. d.
Chlorophyll b and c Chlorophyll a and b Chlorophyll and d Chlorophyll d and c
Correct Ans. (b)
30.
The sequence of electron acceptors in the light reaction is a. b. c. d.
PQ---cyf f---cyt b----PC PQ---PC---Cytb----Cyt f PQ---PC---Cyt f----Cytb PQ---Cyt b---Cyt f----PC
Correct Ans. (d) 31.
Which of the following is the source of hydrogen in the glucose molecule formed during photosynthesis? a. b. c. d.
Water CO2 ATP NADP
Correct Ans. (a) 32.
Which of the following are products of light reaction? a. b. c. d.
NADPH2 and Water NADPH2 and ATP ADP and ATP NADPH2 and Glucose
Correct Ans. (b)
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In the dark reaction, ATP and NADPH2 react with: a. b. c. d.
RuBP PGA PGAL Glucose
Correct Ans. (c) 34.
Chlorophyll “a” occurs in all Photosynthetic plants except: a. b. c. d.
Green algae Blue green algae Angiosperms Pigment containing bacteria
Correct Ans. (d)
35.
When the fluid outside a cell has a greater concentration of a given molecule than the fluid inside the cell, the external fluid is a. b. c. d.
36.
isotonic hypertonic hypotonic ultratonic
Correct Ans. (b) The osmotic pressure of pure water is: a. b. c. d.
0 1 10 100
Correct Ans. (a) 37.
The water potential of all solutions as compared to pure water is always: a. b. c. d.
higher lower equal none of these
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Correct Ans. (b) 38.
The wavelengths of visible light are longer than the wavelengths of a. b. c. d.
infrared ultraviolet microwaves radio waves
Correct Ans. (b) 39.
The wavelengths of visible light are shorter than the wavelengths of a. b. c. d.
infrared ultraviolet x-rays gamma rays
Correct Ans. (a)
40.
Which of the following colours of light work best for photosynthesis? a. b. c. d.
Red Yellow Blue Both a and c
Correct Ans. (d) 41.
Which of the following is the worlds most common protein? a. b. c. d.
cellulose ribulose biphosphate carboxylase insulin diastase
Correct Ans. (b) 42.
Photophosphorrylation in a chloroplast is mot similar to which of the following mitochondrial reaction?
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substrate-level phosphorylation oxidative phosphorylation oxidative decarboxylation hydrolysis
Correct Ans. (b) 43.
A photosystem is an assemblage of pigment molecules together ranging from a. b. c. d.
10 – 100 100 – 200 200 – 400 400 – 500
Correct Ans. (c) 44.
The final acceptor of electrons during the light reaction of photosynthesis is: a. b. c. d.
Cyt. F Cyt. B ATP NADP
Correct Ans. (d)
45.
Which of the following is obtained from phosphoglyceraldehyde in the dark reaction of photosynthesis? a. b. c. d.
phosphoglyceric acid glucose carbon dioxide plastoquinone
Correct Ans. (b) 46.
Which of the following conditions in a plant cell would increase the uptake of water? a. b. c.
osmotic pressure is higher than the turgor pressure osmotic pressure is equal to turgor pressure osmotic pressure is less than the turgor pressure
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both a and c
Correct Ans. (a) 47.
Which of the following would occur when a plant cell is packed in a fluid with high osmotic concentration than the cell sap? a. b. c. d.
imbibition Plasmolysis Deplasmolysis Diffusion
Correct Ans. (b) 48.
With the increase of ions in the xylem its water potential becomes a. b. c. d.
more positive more negative zero neutral
Correct Ans. (b) 49.
Water potential of a liquid increases when solute concentration a. b. c. d.
50.
Increases Decreases Remains unchanged None of these
Correct Ans. (b)
Which of the following is not true of the exudation of water? a. b. c. d.
water drops come out through stomata water drops come out through hydathodes water is forced out of the leaves by root pressu water drops are not formed by dew
Correct Ans. (a) 51.
Water in the xylem vessel will ascend up until a. b. c. d.
its cohesive and adhesive strength is more than the gravitational pull gravitational pull is higher then the cohesive and adhesive strength of water sufficient water is available in the soil it is used in the photosynthesis
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Correct Ans. (a) 52.
Plants do not store carbohydrates as glucose because it a. b. c. d.
dissolves in water, thereby altering the osmotic bala attracts insects herbivores is an unstable molecule would replace ribose in DNA synthesis
Correct Ans. (a) 53.
Which of the following processes is responsible for the entry of water into root hair? a. b. c. d.
wall pressure osmotic pressure turgor pressure atmospheric pressure
Correct Ans. (b)
54.
Which of the following forces are responsible for the ascent of water in plant body? a. b. c. d.
55.
atmospheric pressure root pressure transpiration pull both b and c
Correct Ans. (d)
Of the total sunlight reaching the earth, the percentage used in the photosynthesis is: a. b. c. d.
2% 20% 30% 50%
Correct Ans. (a)
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Which of the following products of light reaction of photosynthesis is not used in the dark reaction? a. b. c. d.
ATP NADPH2 Oxygen None of these
Correct Ans. (c) 57.
The empirical formula of chlorophyll a is: a. b. c. d.
C55 H72 O5 N4 Mg C55 H70 O5 N3 Mg C56 H72 O66 N4 Mg C55 H74 O5 N5 Mg
Correct Ans. (a) 58.
Which of the following is true of chlorophyll? a. b. c. d.
absorbs all types of waves of sunlight containing iron atom in the center containing magnesium atom in the center present in all cells of green plants
Correct Ans. (c)
59.
The most effective light absorbed by the chlorophyll is: a. b. c. d.
yellow orange green none of these
Correct Ans. (d) 60.
Photosystem I has an absorption spectrum of wavelengths of around a. b. c.
600 nm 650 nm 680 nm
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700 nm
Correct Ans. (d) 61.
Which of the following is not necessary for photosynthesis? a. b. c. d.
CO2 Chlorophyll H2O Oxygen
Correct Ans. (d) 62.
In photosystem II, the electrons lost by reaction center are replaced by electrons from a. b. c. d.
H2O C2 O Photosystem I ATP
Correct Ans. (a)
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CHAPTER 13 Choose the most appropriate answer: 1.
In animals the product of anaerobic respiration is: a. b. c. d.
Butyric acid Alcohol Glucose Lactic acid
Correct Ans. (d) 2.
The process of Glycolysis takes place in: a. b. c. d.
Mitochondria Cytoplasm Stroma Granum
Correct Ans. (b) 3.
In electron transport chain, one pair of electrons passing from NADreduced to oxygen produces a. b. c. d.
4 ATP 3 ATP 2 ATP 1 ATP
Correct Ans. (B) 4.
From which of the following plants gain weight? a. b. c. d.
Respiration Transpiration Photosynthesis Fermentation
Correct Ans. (c) 5.
Cambium is responsible for increase in: a. b. c.
Length Photosynthesis Diameter
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Transpiration
Correct Ans. (c) 6.
In which of the following cells elongate parallel to the long axis of the stem or root? a. b. c. d.
Pith Trachieds Cortex Parenchyma
Correct Ans. (b) 7.
Spiral thickenings of the walls of cells occur in: a. b. c. d.
Parenchyma Chlorenchyma Xylem vessels Cortex
Correct Ans. (c) 8.
The molecule which actually enters the Krebs cycle is: a. b. c. d.
Pyruvic acid Acetyl-CoA Oxao acetic acid Fumaric acid
Correct Ans. (b) 9.
In the Krebs cycle oxaloacetic acid reacts with: a. b. c. d.
Pyruvic acid Citric acid Acetyl-CoA Succinic acid
Correct Ans. (c) 10.
One ATP molecule is generated during the Krebs cycle in the step: a. b. c.
citric acid ----------- Alpha Ketoglutatic acid Alpha Ketoglutatic acid ------- Succinic acid Succinic acid ---------------- Fumaric acid
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Fumaric acid----------- Malic acid
Correct Ans. (b) 11.
It involves the liberation of Oxygen and absorbtion of CO2 a. b. c. d.
Aerobic respiration Anaerobic respiration Photosynthesis Both A & B
Correct Ans. (c) 12.
At the end of the electron transport chain during respiration, electrons are accepted by: a. b. c. d.
NAD FAD Oxygen Hydrogen
Correct Ans. (c) 13.
During growth fibers elongate greatly: a. b. c. d.
At right angle to the long axis Parallel to the long axis Obliquely to the long axis In all directions
Correct Ans. (b) 14.
Which of these is the naturally occurring auxins? a. b. c. d.
Indole acetic acid 2, 4-D Abscisic acid Butyric acid
Correct Ans. (a) 15.
The application of Auxin in small amount: a. b. c.
Stimulate the growth of leaves Retard the growth of leaves Suppress the growth of leaves
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Does not affect the growth of laves
Correct Ans. (d)
16.
Which of these increases the growth rate of isolated cells in a test tube? a. b. c. d.
Auxins Cytokinins Gibberellins None of these
Correct Ans. (b) 17.
Chrysanthemum indicum is a: a. b. c. d.
Short day plant Long day plant Day neutral plant Both A & B
Correct Ans. (a) 18.
Thigmotropism is a growth movement in response to: a. b. c. d.
sunlight gravity water touch
Correct Ans. (d) 19.
Which one of the following properties are shared by photosynthesis and aerobic respiration? a. b. c. d.
CO2 consumption ATP synthesis O2 release Glucose synthesis
Correct Ans. (b)
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The function of cellular respiration is to a. b. c. d.
make ATP make NADPH get rid of glucose get rid of carbon dioxide
Correct Ans. (a)
21.
Each chemical reaction in cellular respiration requires a. b. c. d.
a molecule of ATP a molecule of FAD a molecule of NAD a specific enzyme
Correct Ans. (d) 22.
The term anaerobic means a. b. c. d.
with glucose with oxygen without glucose without oxygen
Correct Ans. (d) 23.
Which of the following processes makes direct use of oxygen? a. b. c. d.
Glycolysis Fermentation Electron transport chain Krebs cycle
Correct Ans. (c) 24.
How many ATP molecules are formed during one turn of Kreb’s cycle? a. b.
zero 1
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2 3
Correct Ans. (b) 25.
Glycolysis is a process found in a. b. c. d.
only eukaryotic cells only prokaryotic cells only most muscle cells virtually all cells
Correct Ans. (d)
26.
How many molecules of oxygen gas are used during the Glycolysis of one glucose molecule? a. b. c. d.
non 1 6 38
Correct Ans. (a) 27.
Phosphoglyceraldehyde is oxidized during Glycolysis. What happens to the hydrogen atoms that are removed during this oxidation? a. b. c. d.
They oxidize NAD They reduce NAD They are transferred to Pyruvic acid They are eliminated in the form of methane
Correct Ans. (b) 28.
During the first step of Glycolysis, glucose is converted to glucose phosphate. The phosphate group comes from a. b.
inorganic phosphate phospholipids of the membrane
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ADP ATP
Correct Ans. (d) 29.
Which of the following is not true of Glycolysis? a. b. c. d.
30.
31.
substrate level phosphorylation takes place the end products are carbon dioxide and water ATP is formed ATP is used Correct Ans. (b)
Which of the following is not formed during alcohol fermentation? a. acetyl coenzyme A b. Pyruvic acid c. Ethanol d. Carbon dioxide Correct Ans. (a) Which of the following is the end product of anaerobic respiration in animals? a. b. c. d.
ethyl alcohol lactic acid carbon dioxide water
Correct Ans. (b) 32.
In the conversion of Pyruvic acid to acetyl coenzyme A, Pyruvic acid is: a. b. c. d.
oxidized reduced broken into one carbon fragment isomerized
Correct Ans. (a) 33.
At the end of the Krebs cycle, most of the energy removed from the glucose molecule has been transferred to: a. b. c. d.
NADH2 and FADH2 ATP Oxaloacetic acid Citric acid
Correct Ans. (a)
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In the electron transport system, the final acceptor electrons is a. b. c. d.
cytochrome c cytochrome a oxygen FAD
Correct Ans. (c) 35.
In aerobic respiration, most of the ATP is synthesized during a. b. c. d.
Glycolysis Oxidation of Pyruvic acid The Krebs cycle Electron transport
Correct Ans. (d)
36.
How may ATP molecules are formed inside mitochondria from the breakdown of one glucose molecule? a. b. c. d.
37.
32 ATP 36 ATP 38 ATP 40 ATP
Correct Ans. (b) During electron transport, each molecule of FADH2 produces a maximum of a. b. c. d.
2 ATP 3 ATP 6 ATP 8 ATP
Correct Ans. (A) 38.
Fatty acids enter cellular respiration as: a. b. c.
one carbon fragment two carbon fragments three carbon fragments
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long chain carbon
Correct Ans. (b) 39.
In a eukaryotic cell, the Krebs cycle and electron transport chain take place a. b. c. d.
on the rough endoplasmic reticulum in the cytoplasm with in the nucleus within the mitochondria
Correct Ans. (d) 40.
The main advantage of aerobic respiration over anaerobic respiration is that: a. b. c. d.
less carbon dioxide is released more energy is released from each glucose molecule fats and proteins are not used more carbon dioxide is released
Correct Ans. (b)
41.
A molecule of ADP differs form a molecule of ATP in that it has a. b. c. d.
diamine instead of thymine fever phosphate groups more phosphate groups more energy
Correct Ans. (b) 42.
Shoot apical meristem cells are distinct from other stem cells because of their a. b. c. d.
small size enlarged water vacuole thick cell wall triploid nuclei
Correct Ans. (a) 43.
New leaves are formed from the
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shoot apical meristem vascular cambium lateral buds pericycle
Correct Ans. (a) 44.
Most of a plant’s auxin is produced in its a. b. c. d.
leaves lateral buds shoot apex root apical meristem
Correct Ans. (c) 45.
The main effect of auxin is to stimulate a. b. c. d.
division enlargement differentiation turgor
Correct Ans. (b) 46.
Cytokinins stimulate cell a. b. c. d.
division enlargemen wall thickening turgor
Correct Ans. (a) 47.
When its terminal bud is moved, plant grows more a. b. c. d.
tall bushy slowly rapidly
Correct Ans. (b) 48.
Which of the following delays the normal process of aging in leaves? a.
auxins
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gibberellins insulin Cytokinins
Correct Ans. (d)
49.
Ethylene is an unusual hormone in that it is a. b. c. d.
a gas solid transported by the xylem transported by the phloem
Correct Ans. (a) 50.
An important effect of ethylene is to cause maturation of a. b. c. d.
leaf primordial flower fruit stem
Correct Ans. (c) 51.
If a short day plant is grown under conditions of long nights and short days and the dark period is interrupted in the middle by a brief exposure to red light, the plant will a. b. c. d.
wilt flower fail to flower die
Correct Ans. (c) 52.
If a long day plant is grown under conditions of long nights and short days and the dark period is interrupted in the middle by a brief exposure to red light, the plant will a. b. c. d.
die flower fail to flower wilt
Correct Ans. (b)
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Which of these is not true of fermentation (anaerobic respiration)? a. b. c. d.
net gain of only 2 ATP occurs in the cytoplasm NADH donates electrons to the electron transport system Beings with glucose
Correct Ans. (c) 54.
The transfer of high energy phosphate bonds to ADP by the substrate is called: a. b. c. d.
oxidative phosphorylation substrate level phosphorylation photophosphorylation carboxylation Correct Ans. (b)
55. Which of the above properties are shared by fermentation, aerobic respiration and photosynthesis? a. b. c. d.
I-II I-IV I-III III-IV
Correct Ans. (c) 56.
The asexual production of seeds is called a. b. c. d.
fragmentation fertilization parthenocarpy apomixes (parthenogenesis)
Correct Ans. (d) 57.
A hormone that controls closure of stomata in response to water stress is a. b. c. d.
gibberellins Abscisic acid Auxins Cytokinins
Correct Ans. (b)
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Which of the following cellular organelles extracts energy from carbohydrates and forms ATP molecules? a. b. c. d.
Lysosome Chloroplast Mitochondrion Chromoplast
Correct Ans. (c) 59.
The value of respiratory quotient of amino acids is a. b. c. d.
0 1 more than 1 less than 1
Correct Ans. (c) 60.
The primary plant body is covered with a layer of cells called a. b. c. d.
cuticle epidermis periderm ground tissue
Correct Ans. (b) 61.
Root hairs are formed from extension of the a. b. c. d.
ground tissue periderm epidermis cuticle
Correct Ans. (c)
62.
Secondary growth involves activity of the a. b. c.
root tips shoot tip apical meristem
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lateral meristem
Correct Ans. (d) 63.
The function of root cap is to a. b. c. d.
produce embryonic cells protect the root apical meristem from damage absorb water absorb minerals
Correct Ans. (b)
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