IFS Zoology 2002
Paper-I

Section A
1. Write briefly on any four of the following in not more than 150 words each:
a. Metamerism and its significance
b. Structure of respiratory organs in arthropods
c. Bipinnaria larva
d. Origin of tetrapod limb
e. Parasitic adaptations in Platyhel minthes
2. Answer the following questions
a. Give an account of general organization of Onychophora and discuss its status in animal kingdom
b. Elucidate the affinities and systematic position of Parazoa based on its structural peculiarities
3. Answer the following questions
a. Explain metamorphosis in insects and add a note on its hormonal regulation
b. Describe locomotory organs and mechanism of locomotion in Mollusca
4. Give an illustrative account of the derivatives of integument in amphibia, reptiles and mammals

Section B
5. Write notes on any four of the following in not more than 150 words each:
a. Environment degradation
b. Social behaviour in primates
c. Pyrilla perpusilla
d. Plague: Its etiology, epidemiology and pathogenesis
e. Principles of spectroscopy
6. Answer the following questions
a. Describe major terrestrial biomes of India and comment on their present status
b. What is conservation? Discuss in detail the wild life management practices undertaken in India
7. Answer the following questions
a. Present an account of various modes of associative learning in animals
b. Mosquito and malaria have biological links. Substantiate the statement with reasons
8. Explain correlation analysis. Describe different types and methods of studying correlation with suitable examples