Exercises

1. Which part of the plant is best suited for making virus-free plants and why?

2. What is the major advantage of producing plants by micropropagation?

3. Find out what the various components of the medium used for propagation of an explant in vitro are?

4. Crystals of Bt toxin produced by some bacteria do not kill the bacteria themselves because -

5. What are transgenic bacteria? Illustrate using any one example.

6. Compare and contrast the advantages and disadvantages of production of genetically modified crops.

7. What are Cry proteins? Name an organism that produce it. How has man exploited this protein?

8. What is gene therapy? Illustrate using the example of adenosine deaminase (ADA) deficiency.

9. Diagrammatically represent the experimental steps in cloning and expressing a human gene into E. coli.

10. Can you suggest a method to remove oil (hydrocarbon) from seeds based on understanding of rDNA technology?

11. Find out from internet what is golden rice.

12. Does our blood have proteases and nucleases?

13. How to make orally active protein pharmaceutical? What is the major problem?