LOYOLA COLLEGE (AUTONOMOUS), CHENNAI – 600 034

M.Sc. DEGREE EXAMINATION – ZOOLOGY

TS 41

FOURTH SEMESTER – APRIL 2007

ZO 4811 – BIOTECHNOLOGY

 

 

 

Date & Time: 20/04/2007 / 9:00 – 12:00          Dept. No.                                                          Max. : 100 Marks

 

 

 

PART – A

 

Answer all the questions:                                                                         10 x 2 = 20

 

1. What is transposons?
2. Comment on bioterrorism.
3. Differentiate Biodegradation and Bioremediation.
4. Comment on tissue specific knockout mice.
5. What are the uses of organic acid?
6. Give the principle of Western blotting.
7. What is transgenic chicken?
8. Comment on adenoviruses.
9. Define cryobiology.
10. What are the key concepts of recombinant DNA technology?

 

PART – B

 

Answer any four of the following                                                             4 x 10 = 40

 

11. Give the details on infra structure requirement for plant tissue culture.
12. Explain the process of Nitrogen fixation.
13. Describe briefly the genomic library.
14. Some achievements are made through transgenic technology in plants and animals– Discuss.
15. Describe: Genetically modified crop and it is a boon or a bane?
16. Explain the usage of DNA fingerprint technique in different fields.

 

 

PART – C

 

Answer any Two of the following                                                             2 x 20 = 40

 

17. Write an essay on human gene therapy and add a note on various dimensions of its positive and negative impacts.
18. Write an essay on the process of in vitro
19. Explain the various aspects of genomic library.
20. Write an essay on cloning and add a note on ethical issues involved.

 

 

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