NEET - 2 MODEL GRAND TEST - 2016 No. of Questions: 180

Marks: 720

(-E-†o-öÀ -ûª®Ω’-¢√®·) 118. Every chromosome essentially has a primary constriction on the sides of which disc shaped structures called: a) Kinetochore b) Centromere c) Telomere d) Satellite 119. A = Binding DNA + B + C + H1 Histon a) A = Nucleosome, B = Octamer, C = Linker DNA b) A = Chromatid, B = Octamer, C = Linker Protein c) A = Chromosome, B = Centromere, C = Linker DNA d) A = Centromere, B = Kinetochore, C = Linker Protein 120.

A a) Perinuclear

B Nucleolus

Time: 3 Hrs.

126. Which one is membrane bound structure? a) Nucleolus b) Cilia c) Centrosome d) Ribosome 127. ........ contain genetic information and ........ to form constant number of ........ during cell division. Choose the correct option for blanks. a) Chromatin fibers; condensed; chromosomes b) Chromosome; condensed; chromatid c) Chromatin fibers; decondensed; chromosome d) Chromosome; decondensed; chromatin fibers 128. Photorespiration not present in which one cell organelle? a) Mitochondria b) Peroxisome c) Chloroplast d) Glyoxisome 129. Which cell organelle contains the enzymes for carbohydrate synthesis and protein synthesis:

C

D

Euchromatin

Heterochromatin

E Karyotheca

space b) Karyotheca

Nucleolus

Euchromatin

Heterochromatin

Perinuclear space

c) Karyotheca

Nucleolus

Heterochromatin

Euchromatin

Perinuclear space

d) Karyotheca

False

Heterochromatin

Nucleolus 121.

Choose the correct answer for given diagram: a) A has negative charge b) B is Linker DNA c) C - form by five types of Histone d) A is a sealing Protein 122. DNA, RNA, Protein, Kinetochore, Centromere, Centriole, Polyamine, N2Base. How many components mentioned above are non related to Chromatide? a) 3 b) 2 c) 4 d) 5 123. Karyotype can be studied in which phase of cell division: a) Prophase b) Anaphase c) Metaphase d) S-phase 124. Which of the following is not a type of transmembrane protein but attached with transmembrane protein: a) Porins b) Tunnel Protein c) Pump Protein c) Spectrin 125. (A) Transport of substances (B) Synthesis of proteins (C) Lipoproteins synthesis (D) Glycogen synthesis (E) Glycolipid synthesis (F) Helpful for lysosome formation (G) Glycoprotein synthesis Choose the correct option for the function of ER: a) A, B, C, E, F b) B, C, D, F, G c) A, C, E, F d) A, B, C, D, F

Euchromatin

Perinuclear space

a) Ribosome b) Matrix of mitochondria c) Matrix of chloroplast d) Lysosome 130. Major site of synthesis of lipid in cell ...... a) Golgibody b) RER c) SER d) Nucleus 131. Which one of the statements is correct for chromosome? a) It is highly condense form of chromatin. b) It is seen in Interphase of cell division. c) It is decondensed in metaphase of cell division. d) In metaphase the chromosome has one chromatid. 132. Chlorophyll pigments are present in: a) Stroma b) Thylakoid lumen c) Thylakoid membrane d) Cells membrane 133. (A) Cell growth (B) Formation of inter cellular junctions (C) Secretion (D) Endocytosis (E) Cell division (F) Cell wall formation (G) Exocytosis How many functions mentioned above are completed by cell membrane: a) 3 b) 4 c) 5 d) 7 134. Amyloplast, Elaioplast and Aleurplasts stored food respectively: a) Starch, Fat, Protein b) Starch, Protein, Fat c) Fat, Starch, Protein d) Protein, Starch, Fat 135. Which one is incorrect for Nucleus? a) Nucleus contains nucleoli and chromatin network. b) Only control the activities of organelles. c) Plays a major role in heredity. d) Nuclear membrane form by RER in telophase. 136. Sertoli cells are found in seminiferous tubules, about which all statements are

correct, except one: a) They are long elongated and pyramidal cells attached to basement membrane of the tubules. b) Their apices carry depressions in which spermatozoa remain embedded till spermiation. c) They function in response to FSH. d) They undergo division to form 4-8 layers of spermatogenic cells. 137. Select incorrect matching of protozoan and the disease caused by it: a) Babesia − Tick fever in cattle b) Trichomonas − Leucorrhoea c) Trypanosoma − Sleeping sickness d) Eimeria − Pebrine in silk worms 138. Gonads are usually ectodermal in origin and sex cells discharged externally in: a) Hydrozoa b) Scyphozoa c) Anthozoa d) Both Scyphozoa and Anthozoa 139. Process of parturition is an example of: a) Reflex action b) Neuroendocrine process c) Sympathetic response d) Hormonal mechanism 140. Pristis can be identified as a cartilaginous fish, as it does not possess: a) Ability to regulate body temperature b) Ability to swim continuously c) Homocercal tail d) Placoid scales over its body 141. Separation of eyelids and formation of eyelashes occurs by the end of: a) Nine months of pregnancy b) 12 weeks of pregnancy c) 24 weeks of pregnancy d) Fifth month 142. When under certain conditions, the P50 value of haemoglobin rises, the affinity of the pigment of combing with O2 will? a) Remain same b) Fall c) Rises d) First rises than fall 143. Methods of contraception that work only on the principle of avoiding chances of ovum and sperm meeting are: a) IUDS b) Oral contraceptives c) Natural methods d) Implants 144. Mark the statement that is incorrect for epithelial tissue: a) Ciliated epithelium allows movement of material in a particular direction. b) Adhering junctions in epithelium allow tight cementing of membranes of cells. c) Neurosensory epithelium converts electrical stimuli to chemical or mechanical stimuli. d) Keratinised stratified squamous epithelium lines buccal cavity. 145. Infertility due to impotency of male partner of due to very low sperm count in the ejaculate, could be supplemented by: a) GlFT b) Al c) lUT d) ZlFT 146. Red muscles are characterised by: a) Presence of very little quantity of myoglobin b) Highly extensive sarcoplasmic reticulum c) Fatigue resistance d) Very high number of mitochondria 147. Read the following four statements (A-D): (A) Energy 100 ml of deoxygenated blood delivers approximately 4 ml of CO2 to the alveoli. (B) Energy 100 ml of deoxygenated blood delivers about 50 ml of O2 to the tissues.

(C) Nearly 20-25% of CO2 is transported by blood plasma as bicarbonate. (D) About 97% of O2 is transported by RBC in the blood. How many of the above statements are wrong? a) Four b) Three c) Two d) One 148. Which respiratory capacity is correctly matched with its formula and value? Respiratory capacity

Formula

Value

a) Functional TV + ERV −2100 ml residual capacity b) Total lungs VC + RV −5800 ml capacity c) Vital capacity TV + RV 4600 ml d) Inspiratory TV + IRV 2500 ml capacity 149. Emergency contraception can be provided to a patient of sexual assault through: a) Tubectomy b) Oestrogen progesterone combination c) Insertion of spermicidal chemicals in blood d) Gossypol 150. Identify the structure of molecule that provides stability to cell membranes: H ⏐ a) NH2 − CH − COOH O ⏐⏐ b) CH2 − O − C − R O ⏐⏐ CH − O − C − R O ⏐⏐ CH2 − O − P − O(CH2)2 N+ (CH3)3 ⏐ OH

⏐ ⏐

CH2OH

c)

CH2OH

O

OH

H

OH

H H

OH O HN

d)

O C

C

C − CH3

N

CH

H

151. Which of the following factors favours the dissociation of oxyhaemoglobin? (A) PO2↑, PCO2↓, Temp↑ (B) PO2↓, PCO2↑, Temp↑ + (C) PO2↓, PCO2↑, H conc.↑ (D) PO ↓, PCO ↑, H+ conc.↑ 2

2

a) A and B b) A and C c) B and C d) B and D 152. Enzyme mediated reactions that are inhibited by inhibitors that have gross resemblance with normal substrate: a) Show disobeyance of Km value of reaction b) Show destruction of tertiary structure of enzyme on inhibition c) Show linking of inhibitors with active site of enzyme d) Show fall in Vmax 153. During normal expiration, the contraction of following muscles take place: a) EICM b) IICM c) Diaphragm d) None of these ⎯→