(English Version)
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.
2. Define the law of limiting factors proposed by Blackman.
3. What are pleomorphic bacteria? Give an example.
4. What is the cross between the F1 progeny and the homozygous recessive parent called? How is it useful?
5. Given below is the sequence of coding strand of DNA in a transcription unit.
5’A A T G C A G C T A T T A G G-3’
Write the sequence of a) its complementary strand. b) the mRNA.
6. What are the components of a transcriptional unit?
7. What is palindromic sequence?
8. What is green revolution? Who is regarded as Father of green revolution?
9. Why does ‘Swiss cheese’ have big holes? Name the bacteria responsible for it.
10. Name an immunosuppressive agent. From where it is obtained?
12. Explain different types of co-factors.
13. Tabulate any eight differences between C3 and C4 plants/cycles.
14. Write a note on agricultural/ horticultural applications of auxins.
15. Explain the structure of T-even bacteriophages.
16. Explain the law of dominance using a monohybrid cross.
17. How many types of RNA polymerases exist in cells? Write their names and functions.
18. Give a brief account of Bt cotton.
Note : Answer any two questions. Answer may be limited to 60 lines
19. Give an account of glycolysis. Where does it occur? What are the end products? Trace the fate of these products in both aerobic and anaerobic respiration.
20. Explain briefly the various processes of recombinant DNA technology.
21. You are a Botanist working in the area of plant breeding. Describe the various steps that you will undertake to release a new variety.
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