M.Sc. DEGREE EXAMINATION, APRIL 2017
Second Semester
Zoology
EVOLUTION
(2016 onwards)
Time 3 Hours Maximum 75 Marks
Part A (10 x 2 20)
Answer all questions.
1. Molecular divergence.
2. Define eukaryotic cells.
3. Gene regulation.
4. Define mass extinction.
5. Geological time scale.
6. Nucleotide sequence.
7. Natural selection.
8. Fossils.
9. Co-speciation.
10. Adaptive radiation.
Sub. Code
509204
RW-200
2
Wk6
Part B 5 25)
Answer all questions.
11. Concept of neutral evolution.
Or
Give details on the molecular tools in phylogeny.
12. Discuss single celled organisms to kingdoms.
Or
Explain the branch of the tree of life-plant and
fungi.
13. Discuss the population biology.
Or
Compare the Genetic variation and Gene
regulation.
14. Give details on mass extinction.
Or
Discuss the speciation causes and modes.
15. Explain paleontological evidences.
Or
Types of fossils and its significance.
RW-200
3
Wk6
Part C 10 30)
Answer any three questions.
16. Describe the Molecular tools in phylogenetic classification
and identification.
17. Explain evolutionary significance of protein and
nucleotide sequence.
18. Compare the difference between eukaryotic cells and
multicellular organisms.
19. Explain individual genetic variation and genetic
regulation.
20. Describe the cultural, social and regional evolution.
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