Kakatiya University (KU) 2011-3rd Year B.Sc Botany - III (Cell Biology, Genetics, Ecology and Biodiversity) - Question Paper

KAKATIYA UNIVERSITY
B.Sc III Year Botany- Paper III
(Cell Biology, Genetics, Ecology and Biodiversity)
Model ques. paper – Theory
Time : three hours Max. Marks : 100

part – A

describe or discuss ALL of the subsequent (8x2 =16 Marks)
1. Nucleotide
2. Heterochromatin
3. legal regulations of seggregation
4. Aneupolid
5. Food chain
6. Hydrosere
7. UNEP
8. Hot spot

part – B

Write short answers for ALL of the subsequent (4 x six = 24 Marks)
9. (a) Cell cycle (OR) (b) Lambrush chromosome
10. (a) Epistasis (OR) (b) Transition
11. (a) Ecosystem (OR) (b) Ecad
12. (a) Red data book (OR) (b) Endemism

part – C

Write detailed answers for ALL of the subsequent (4 x 15 = 60 Marks)
13. (a) define replication of DNA (OR) (b) define various stages in mitosis
14. (a) elaborate molecular basis of mutations (OR) (b) Write the structure of pBR - 322 plasmid
15. (a) explain the energy flow in ecosystem (OR) (b) elaborate biogeochemical cycles? discuss N2 cycle.
16. (a) explain the principle of conservation. (OR) (b) discuss the role of NBPGR in the conservation of biodiversity.

Earning:   Approval pending.