PLANT BIOTECHNOLOGY Question Papers (Regular, 2004)

SET: 1

1. Discuss the importance of plant tissue culture in India?

2. What are Alkaloids? Explain the process for the production of alkaloids?

3. Elaborate on the production of alkaloids at the industrial level?

4. Explain different types of vectors that are used in the Agro-bacterium mediated gene transfer?

5. Explain about viral DNA present in plant viruses, used as vectors with suitable examples?

6. Explain different aspects of nitrogen fixation. (out of syllabus)

7. Write short notes on any two(out of syllabus)

a) Ac element

b) Ds element

c) Insertion

8. Explain the mechanism of gene transfer in virus resistant plants.

SET: 2

1. What is meant by sterilization? Explain its significance in plant tissue culture?

2. List the secondary metabolites of plant origin performing as insecticides?

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

4. What are plasmids and explain the two types of plasmids produced by Agro-bacterium.

5. Describe in detail about various types of expression vectors used in plant gene transfer?

6. Out of syllabus

7. What are transposons? Discuss their role in genetic engineering.(out of syllabus)

8. Write short notes on any two:

a) Proteinase inhibitors

b) Recombinant baculovirus

c) Insect control agents.

SET: 3

9. Give an account on plant cell regeneration in plant tissue culture?

10. Write short notes on any two:

a) Alkaloids

b) Food additives

c) Insecticides

11. Write a detailed account on production of skin cosmetics at industry level?

12. How transgenic plants are produced using agro-bacterium and give their application?

13. How the plant viruses are classified and what is the importance of viruses in the foreign gene integration?

14. Out syllabus

15. Describe the Shaprio model of transposition(out of syllabus)

16. Explain the mechanism of resistance in herbicide resistant plants.

SET: 4

17. What is meant by somatic embryogenesis? Explain its importance in plant tissue culture.

18. Describe classification, biosynthesis & major classes of alkaloids?

19. What are methods of augmenting cell biomass in bioreactors?

20. How foreign gene can be transferred into plant host cells using Agro-bacterium?

21. What is the important of plant viruses in producing transgenic plants?

22. Write short notes on any two (out of syllabus)

a) nif gene

b) nod gene

c) Rhizobium

23. Give an account on transposons of prokaryotes?(out of syllabus)

Give an account on introduction of insect resistant genes into plants.