III B.Tech I Semester Supplimentary Examinations, November 2008 PLANT BIO-TECHNOLOGY (Bio-Technology) Time: 3 hours Max Marks: 80 Answer any FIVE Questions All Questions carry equal marks ⋆⋆⋆⋆⋆ 1. What is a medium? Explain the preparation of common tissue culture medium. [6+10]
ld .
2. What are alkaloids? Explain the process for the production of alkaloids? [4+12] 3. Write about shikonin production at commercial level?
[16]
5. Write a short notes on any two (a) CaMV genome (b) TMV genome
uW
(c) Plasmids as vectors
or
4. What are the different types of transformation techniques that are used for the production of transgenic plants? [16]
[8+8]
6. Explain the current status of Nitrogen fixation in the field of Biotechnology? [16] 7. Write a note on phenotypic and genotypic effects of transposition?
[8+8]
8. Explain the genetic engineering mechanism behind the development of stress tolerant plants. [16]
Aj
nt
⋆⋆⋆⋆⋆
1 of 1
Set No. 2
Code No: RR312304
1. Discuss the importance of Plant tissue culture in India?
in
III B.Tech I Semester Supplimentary Examinations, November 2008 PLANT BIO-TECHNOLOGY (Bio-Technology) Time: 3 hours Max Marks: 80 Answer any FIVE Questions All Questions carry equal marks ⋆⋆⋆⋆⋆ [16]
ld .
2. What is a plating technique? Explain its applications in the production of secondary metabolites? [6+10] 3. Explain the factors effecting growth in a bioreactor?
[16]
4. What is the importance of Vir genes in the Agrobacterium mediated gene transfer? [16] [16]
6. What is meant by Symbiosis? Explain it with a suitable example.
[6+10]
or
5. Write about general characteristic features of plant viral vectors?
uW
7. Barbara Mc Clintock discovery of colour change in maize OF great significance in modern genetics - Justify. [16] 8. Write short notes on any two (a) Virus resistant plants (b) Bt endotoxin
(c) Transformation
Aj
nt
⋆⋆⋆⋆⋆
1 of 1
[8+8]
Set No. 3
Code No: RR312304
in
III B.Tech I Semester Supplimentary Examinations, November 2008 PLANT BIO-TECHNOLOGY (Bio-Technology) Time: 3 hours Max Marks: 80 Answer any FIVE Questions All Questions carry equal marks ⋆⋆⋆⋆⋆ 1. Write a note on totipotency? Explain the importance of organogenesis?
[6+10]
ld .
2. Describe the secondary metabolites of natural origin with special reference to alkaloids. [16] 3. What are methods of augmenting cell biomass in bioreactors?
[16]
4. How Ti plasmid transfers T-DNA in host cells?
[16]
6. Write short notes on any two (a) Nitrogenase
uW
(b) Ferridoxin
or
5. How the plant viruses are classified and what is the importance of viruses in the foreign gene integration? [6+10] [8+8]
(c) Leghemoglobin
7. What is meant by disease resistance and Susceptibility? 8. Give an account on the herbicide resistant plants.
Aj
nt
⋆⋆⋆⋆⋆
1 of 1
[8+8] [16]
Set No. 4
Code No: RR312304
1. Discuss the importance of Plant tissue culture in India?
in
III B.Tech I Semester Supplimentary Examinations, November 2008 PLANT BIO-TECHNOLOGY (Bio-Technology) Time: 3 hours Max Marks: 80 Answer any FIVE Questions All Questions carry equal marks ⋆⋆⋆⋆⋆
3. Write about the physical processes that need attention in a bioreactor? 4. Write short notes on any two
(a) CaMV genome
uW
(b) TMV genome
or
(b) T- DNA transfer
5. Write a short notes on any two
[16]
[8+8]
(a) Vir gene (c) Selectable marker
[16]
ld .
2. Describe the various strategies used for secondary metabolites synthesis.
[16]
[8+8]
(c) Plasmids as vectors
6. What is symbiosis? Explain the process of symbiosis in legumes. 7. How do transposons induce deletions? Inversions? 8. Write short notes on any two
PLANT BIO-TECHNOLOGY ... 1. Discuss the importance of Plant tissue culture in India? [16] ... 7. What is meant by disease resistance and Susceptibility? [8+8].
(a) How do you explain tremors in hands ? (b) List out the types of tremors in hands. (c) What mechanical apparatus will suit the worker with tremors ? 7. Design ...
... the velocity of block A after it has moved 2 m. Assume that µ equals to 0.25 between block A and the plane and that the pulley · is weightless and frictionless.
(a) Differentiate fully between welding, brazing and soldering. (b) What is a flux? What is the use of a flux in a brazing process? Explain the various fluxes used ...
(b) An optical fibre has a NA of 0.20 and cladding refractive index of 1.59. De- · termine the refractive index of core and the acceptance angle for the fibre in.
Write how blood PH is maintained. [16]. *****. 1 of 1 ... [6+5+5] · 8. Explain how blood biochemical analysis helps in confirmation of diseases. [16] · *****. 1 of 1.
(c) Toughness and resilience · (d) Endurance limit and fatigue strength · [4x4=16] · 6. Sketch time-strain curve for anelastic behavior and compare it with the time- ...
(b) Radiation carcinogenesis · 6. Discuss the various radiaton protection measures ? [16] · 7. (a) Explain how Nuclear Medicine is useful in the imaging of CNS?
Why does the Law of Diminishing Returns operate? Explain with the help of · assumed data and also represent in a diagram. [4+6+6] · 3. A company reported ...
1. Describe how the nutritive values of food can be sustained by using Biotechnology ... 4. Explain in detail how ultraradiation is used in food preservation? [16].
for the magnetic fields in the different regions of a coaxial cable, having inner .... Draw the directions of electric and magnetic fields in parallel plate and coaxial.
8. Discuss the different waves and rhythms in Electroencephalogram. ... 8. What are the alpha and beta rhythms in EEG? Give their normal frequency range.
[10] · (b) Write a note on âaskarelsâ. [6]. 8. Give an account of the following properties of lime. [4x4=16]. (a) Slaking. (b) Setting and hardening of lime. 1 of 2.
Give various examples of capital budgeting decisions. Classify ... or other unit of Management among the activities of that unit. Explain. .... 100000 Fixed Assets.
(b) Three Brick wall in English bond. [8+8] · 6. (a) Name the different types of foundations you would recommend under different · situations and soils. Explain ...
lakhs and average variable cost of Rs.10 each . The selling price is to yield 20% · profit on cost. you are required to calculate · (a) P/V ratio. (b) Break even point.
i. crystal structure factor ... (a) Define and explain space lattice, unit cell and crystal. ... (b) What factors control the Quenching characteristics of liquid coolants?
(a) What is meant by page pinning in the buffer pool. Who is responsible for .... (b) Discuss the techniques for allocating file blocks on disk. [8+8] · 4. Consider the ...
Discuss the synthesis of r RNA in eukaryotes. Explain using TF ... DNA is made with both single (SS) and double strands (DS) of bases. Which · procedure will ...
Code No: RR310402. Set No. 1 ... it in the long distance transmission of radio signals in the HF band. 1 of 2 ... iii. Beam area, beam efficiency and resolution.
(a) What are the factors that lead to fading and attenuation in ionospheric prop- agation. (b) What is the wave tilt and how does it effect the field strength received ...
3. (a) How do you detect whether an organic reaction is going by free-radical mech- · anism or not ? (b) Describe the chlorination of ethane in the presence of ...
