PLANT BIO-TECHNOLOGY Question Papers (Supple, Nov 2007, RR)

SET :1

1. Discuss the importance of Plant tissue culture in India? [16]

2. Write short notes on any two [8+8]
(a) Resins
(b) Essential oils
(c) Alkaloids

3. Explain the importance of maintaining the plant cells in bioreactor and give the commercial significance of these reactors? [16]

4. What is the importance of T-DNA in Agrobacterium mediated gene transfer? [16]

5. Write about general characteristic features of plant viral vectors? [16]

6. Explain the current status of Nitrogen fixation in the field of Biotechnology? [16]

7. Write short note on any two [8+8]
(a) RFLP
(b) RAPD
(c) Gene markers

8. Discuss the agricultural significance of virus resistant plants. [16]


SET :2

1. Write a note on totipotency? Explain the importance of organogenesis? [6+10]

2. What are secondary metabolites? Discuss different types of secondary metabolites. [6+10]

3. Explain the importance of maintaining the plant cells in bioreactor and give the commercial significance of these reactors? [16]

4. Describe the vector mediated gene transfer with an example? [16]

5. What is the importance of Agroinfection in gene transfer using virus as vectors? [8+8]

6. What is a ‘nod’ gene? Explain its role in Nitrogen fixation? [4+12]

7. What are the differences among an Is element and a transposon? [8+8]

8. Explain the mechanism of resistance in herbicide resistant plants. [16]


SET :3

1. What are synthetic seeds? How are they produced using Plant tissue culture techniques? [6+10]

2. What are secondary metabolites? Discuss different types of secondary metabolites. [6+10]

3. Explain the complete bioprocess involved in the production of secondary metabolites? [16]

4. Distinguish between selectable and reporter gene and explain how reporter gene are important in T-DNA transfer? [8+8]

5. How the plant viruses are classified and what is the importance of viruses in the foreign gene integration? [6+10]

6. What is meant by Symbiosis? Explain it with a suitable example. [6+12]

7. Barbara Mc Clintock discovery of colour change in maize OF great significance in modern genetics - Justify. [16]

8. Explain the applications of the transformed plants. [16]

SET :4

1. Write short notes on any two [8+8]
(a) Micropropagation
(b) Synthetic seeds
(c) Poly Ethylene Glycol

2. What are secondary metabolites? Discuss different types of secondary metabolites. [6+10]

3. What are methods of augmenting cell biomass in bioreactors? [16]

4. What is the importance of T-DNA in Agrobacterium mediated gene transfer? [16]

5. How the plant viruses are classified and what is the importance of viruses in the foreign gene integration? [6+10]

6. What is leghemoglobin and explain its role in Nitrogen fixation? [4+12]

7. Write short notes on any two [8+8]
(a) Ac element
(b) Ds element
(c) Insersion

8. What is meant by glyphosphate tolerance? Explain it by Agrobacterium system. [6+10]