DISTANCE EDUCATION
M.Sc. (Zoology) DEGREE EXAMINATION, MAY 2017.
ANIMAL DIVERSITY
Time Three hours Maximum 100 marks
SECTION A — 8 40 marks)
Answer any FIVE of the following questions in about
300 words each.
1. Give an account on the major characters used in
classification of animals.
2. Write short notes on pseudocoelomate animals.
3. Discuss the phylogenic relationship of hemichordate with
echinoderms and chordates.
4. Write the characteristic features and forms of Porifera.
5. Add notes on the Oligochaets.
6. Explain in brief about the adaptive radiations found in
flatworms.
7. Enumerate the adaptations in marine benthic animals.
8. Explain the characteristic features of reptiles.
Sub. Code
11
DE-751
2
wk12
SECTION B — 15 60 marks)
Answer any FOUR of the following questions
in about 500 words each.
9. Discuss the hierarchical organisation of animal and
major divisions of life with examples.
10. Write brief notes on important characteristic features of
arthropods and their adaptive responses.
11. Give a detailed account on migration and social
behaviour of birds.
12. Briefly explain the following
Sponges
Dinoflagellates
Cephalopods
Cartilaginous fishes.
13. Give a detailed account on phylogeny of acelomates and
their adaptive radiations.
14. Briefly explain the general features of mammals and
their ecological adaptations.
15. Give a detailed account on human evolution.