DISTANCE EDUCATION
M.Sc. (Zoology) DEGREE EXAMINATION, MAY 2018.
ANIMAL DIVERSITY
Time Three hours Maximum 100 marks
SECTION A — (5x8 40 marks)
Answer any FIVE of the following in about 300 words each.
1. Explain the hierarchical classification of taxonomy.
2. What are the major subdivisions in the animal kingdom?
Briefly discuss.
3. Give an account on ecological relationships and
distributional patterns in sponges.
4. Enumerate the distinctive characters of Oligochaeta.
5. Explain the phylogeny of Cephalopoda.
6. How the body planes of segmental worms vary among
their relatives?
7. What are the ancestral characters shared among the
major group of fishes?
8. Explain the structural and functional adaptations among
mammals.
Sub. Code
11
DE-4165
2
sp3
SECTION B — × 15 60 marks)
Answer any FOUR of the following in about 500 words each.
9. Describe the complexity of body and size in hierarchical
organization.
10. Explain the classification and phylogeny of protozoa.
11. List out the salient characteristic features of various
molluscan forms.
12. Explain the forms, functions and phylogeny of
echinodermata.
13. Trace the evolution of chordates.
14. Discuss the origin of adaptive radiations among reptilian
groups.
15. Give note on the following
Origin of birds
Migration of birds
Birds adaptation for flight
Social behavior of birds
Nesting behaviour.