IFS Zoology Papers 2002
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IFS Zoology 2002
Paper-I
Section A
- Write briefly on any four of the following in not more than 150 words each:
- Metamerism and its significance (10)
- Structure of respiratory organs in arthropods (10)
- Bipinnaria larva (10)
- Origin of tetrapod limb (10)
- Parasitic adaptations in Platyhel minthes (10) .
- Answer the following questions
- Give an account of general organization of Onychophora and discuss its status in animal kingdom (20) .
- Elucidate the affinities and systematic position of Parazoa based on its structural peculiarities (20) .
- Answer the following questions
- Explain metamorphosis in insects and add a note on its hormonal regulation (20) .
- Describe locomotory organs and mechanism of locomotion in Mollusca (20) .
- Give an illustrative account of the derivatives of integument in amphibia, reptiles and mammals (40) .
Section B
- Write notes on any four of the following in not more than 150 words each:
- Environment degradation (10)
- Social behaviour in primates (10)
- Pyrilla perpusilla (10)
- Plague: Its etiology, epidemiology and pathogenesis (10)
- Principles of spectroscopy (10)
- Answer the following questions
- Describe major terrestrial biomes of India and comment on their present status (20) .
- What is conservation? Discuss in detail the wild life management practices undertaken in
- India (20) .
- Answer the following questions
- Present an account of various modes of associative learning in animals (20) .
- Mosquito and malaria have biological links. Substantiate the statement with reasons (20) .
- Explain correlation analysis. Describe different types and methods of studying correlation with suitable examples (40) .
Paper-II
Section A
- Distinguish between any four of the following (Each answer may be in about 150 words) :
- Mitosis and Meiosis
- Plasmids and Cosmids as vectors
- Role of mutations and variations in evolution.
- Species and Subspecies
- Transcription and Translation (10 × 4 = 40) .
- Lysosome is the ‘suicide bag’ of the cell. Discuss (40) .
- Give an account of DNA finger printing technique and its importance (40) .
- Write notes on the following:
- Origin of Life
- Importance of fossils
- International Code of Nomenclature
- Mimicry (10 × 440) .
Section B
- Distinguish between any four of the following (Each answer may be in about 150 words) :
- Hormones and Enzymes
- Nephron and Neuron
- Blastula and Gastrula
- Growth and Regenerations
- Red blood corpuscles and White blood Corpuscles (10 × 4 = 40) .
- Give an account of bioenergetics of glycolysis and Krebs cycle (40) .
- Explain the mechanism of hormone action and the importance of second messengers (40) .
- Write notes on the following:
- In-vitro fertilization
- Causation of metamorphosis in frog
- Placentation in humans
- Baer՚s Law
- Cloning (8 × 5 = 40)