PLANT BIOTECHNOLOGY Question Papers (Supplementary, 2005)

SET: 1

1. What are haploid plants? How they are produced by plant tissue culture methods? State their applications?

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

3. Explain various problems involved in culturing and extracting plant products from bioreactor?

4. What is the importance of T – DNA in Agro-bacterium mediated gene transfer ?

5. Write short notes on ant two:

a) CaMV genome

b) TMV genome

c) Plasmid as vector

6. Out of syllabus

7. Out of syllabus

8. What are transformed plants? Explain them in detail.

SET: 2

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

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

3. What are the different bioreactors? Compare the functioning of different bioreactors?

4. How foreign genes can be transferred into plant host cells using agro-bacterium?

5. How transgenic plants are produced using various viruses as vectors?

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

a) Nitrogenase

b) Ferridoxin

c) Leg haemoglobin

7. Write a note on phenotypic and genotypic effects of transposition?(out of syllabus)

8. What are stress tolerant plants? Explain how are they produced by biotechnological methods.

SET: 3

1. Explain the process of ex plant sterilization?

2. Explain the various factors affecting the production of secondary metabolites in plant tissues?

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

4. What is the importance of Vir genes in the Agro-bacterium mediated gene transfer?

5. Write short notes on ant two:

a) CaMV genome

b) TMV genome

c) Plasmid as vector

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: 4

1. Write short notes on any two

a) Somoclonal variation

b) Embryo rescue

c) Germplasm

2. Write short notes on any two

a) Antitumour agents

b) Insecticides

c) Optimization

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

4. Distinguish between selectable and reporter gene and explain how reporter gene are important in T – DNA transfer

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

6. Out of syllabus

7. Out of syllabus

Explain the mechanism of gene transfer in virus resistant plants.