(English Version)
Time : 3 Hours] [Max. Marks : 60
Note : Read the following instructions carefully :
(i) Answer all the questions of Section –A. Answer any six questions out of eight in Section –B and answer any two questions out of three in Section-C.
(ii) In Section-A, questions from Sl. Nos. 1 to 10 are “ Very Short Answer Type”. Each question carries two marks. Every answer may be limited to 5 lines. Answer all these questions at one place in the same order.
(iii) In Section-B, questions from Sl. Nos. 11 to 18 are of “Short Answer Type”. Each question carries four marks. Every answer may be limited to 20 lines.
(iv) In Section –C, questions from Sl. Nos. 19 to 21 are of “Long Answer Type”. Each question carries eight marks. Every answer may be limited to 60 lines.
(v) Draw labeled diagrams, wherever necessary for questions in Section-B and Section-C.
SECTION –A
2. Name the processes which take place in the grana and stroma regions of chloroplasts.
3. What is transduction? Who discovered it and in which organism?
4. Explain the terms phenotype and genotype.
5. What is the difference between exons and introns?
6. What is the function of the codon AUG?
7. What is down –stream processing?
8. Give one example for each of transgenic plants which are suitable for food processing and those with improved nutritional quality.
9. What is the group of bacteria found in both the rumen of cattle and sludge of sewage treatment?
10. Name the scientists who were credited for showing the role of penicillin as an antibiotic.
11. Explain pressure flow hypothesis of translocation of sugars in plants.
12. Explain the mechanism of enzyme action.
13. Describe in brief photorespiration.
14. What are the physiological processes that are regulated by ethylene in plants?
15. Explain the lytic cycle with reference to certain viruses.
16. Explain the Incomplete dominance with an example.
17. Write the important features of Genetic code.
18. Give a brief account of Pest resistant plants.
SECTION – C
Note : Answer any two questions. Answer may be limited to 60 lines
19. Explain the reactions of Kreb’s cycle.
20. Explain briefly the various processes of recombinant DNA technology.
21. Describe the tissue culture technique and what are the advantages of tissue culture over conventional method of plant breeding in crop improvement programmes?
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