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Acharya Nagarjuna University (ANU) 2011-1st Year M.Sc Botany Code:DBOT 03 s, III — CYTOLOGY, GENETICS AND PLANT BREEDING - Question Paper

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For Code:DBOT 03 M.Sc. Degree Examinations, MAY 2011. 1st Year Botany Paper III — CYTOLOGY, GENETICS AND PLANT BREEDING.
See the subsequent attachment.

M.Sc. DEGREE EXAMINATION, MAY 2011.

(DBOT 03)

First Year Botany

Paper III CYTOLOGY, GENETICS AND PLANT BREEDING

Time : Three hours Maximum : 100 marks

SECTION A (5 x 8 = 40 marks)

Answer any FIVE of the following.

1. Significance of mitosis.

2. Karyotype analysis

3. Duplication.

4. Aneuploids.

5. Pseudoallelles.

6. Chi square test.

7. Pedigree method.

8. Hybridization.

Answer all the FOUR questions.

9. (a) Write an essay on comparative study of

prokaryotic and eukaryotic cells.

Or

(b) Give an account on Euchromatin and heterochromatin.

10. (a) Write notes on special types of chromosomes.

Or

(b) Give an account on evolution of major crop plants.

11. (a) Describe the principles of Mendelian

inheritance.

Or

(b) Give an account on types of mutations.

12. (a) Write an essay on Pure line selection.

Or

(b) Describe clonal selection and back method.

cross

3 (DBOT 03)