(Paper) IFS - Indian Economic Service Zoology Previous Year Paper (I) (2006)

Paper : IFS - Indian Economic Service Zoology Previous Year Paper (I) (2006)

Paper-I : SECTION A
1. Write briefly on any four of the following in not more than 150 words each:
(a) Evolutionary status of Peripatus (10)
(b) Mammalian teeth (10)
(c) General features of Nereis (10)
(d) Scales of fishes (10)
(e) Parasitic adaptations in Nematodes (10)

2. (a) Discuss critically the status of Hemichordata in animal kingdom. (20)
(b) Give an account of the characteristics of the phylum Protozoa and classify the same upto classes citing distinguishing features and examples. (20)

3. (a) Describe the structure and functioning of the compound eye in insects. (20)
(b) Discuss various larval forms in Echinodermata and add a note on their significance. (20)

4. (a) What is migration ? Discuss elaborately this phenomenon in fishes Or birds. (40)

SECTION - B
5. Write notes on any four of the following in not more than 150 words each :
(a) Biogeochemical cycle (10)
(b) Stimuli (10)
(c) Acquired Immuno Deficiency Syndrome (10)
(d) Courtship in Drosophila (10)
(e) Measure of central tendency (10)

6. Discuss how the environmental biodegradation is caused by the pollution and add a note on its prevention. (40)

7. (a) What are predators? Discuss critically their detection and tactics citing examples. (20)
(b) Give an elaborate account of the apiculture in India. (20)

8. (a) Describe the applications of regression analysis citing biological examples (20)
(b) Discuss the principles and applications of transmission electron microscopy. (20)