IFS Zoology Papers 2006

IFS Zoology 2006

Paper-I

Section A

  1. Write briefly on any four of the following in not more than 150 words each:

    1. Evolutionary status of Peripatus (10)

    2. Mammalian teeth (10)

    3. General features of Nereis (10)

    4. Scales of fishes (10)

    5. Parasitic adaptations in Nematodes (10)

  2. Answer the following questions

    1. Discuss critically the status of Hemichordata in animal kingdom (20).

    2. Give an account of the characteristics of the phylum Protozoa and classify the same upto classes citing distinguishing features and examples (20).

  3. Answer the following questions

    1. Describe the structure and functioning of the compound eye in insects (20).

    2. Discuss various larval forms in Echinodermata and add a note on their significance (20).

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

Section-B

  1. Write notes on any four of the following in not more than 150 words each:

    1. Biogeochemical cycle (10)

    2. Stimuli (10)

    3. Acquired Immuno Deficiency Syndrome (10)

    4. Courtship in Drosophila (10)

    5. Measure of central tendency (10)

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

  3. Answer the following questions

    1. What are predators? Discuss critically their detection and tactics citing examples (20).

    2. Give an elaborate account of the apiculture in India (20).

  4. Answer the following questions

    1. Describe the applications of regression analysis citing biological examples (20)

    2. Discuss the principles and applications of transmission electron microscopy (20).

Paper-II

Section A

  1. Distinguish between any four of the following (each answer may be in about 150 words): (10 × 4 = 40)

    1. Point mutations and Non-point mutations

    2. Smooth endoplasmic reticulum and Rough endoplasmic reticulum

    3. Cro-Magnon man and Neanderthal man

    4. Chemotaxonomy and Cytotaxonomy

    5. Co-dominance and Incomplete dominance

  2. Describe the process of protein synthesis (40).

  3. Describe the procedure of DNA-fingerprinting and write a note on its application (40).

  4. Write notes on the following (10 × 4 = 40)

    1. Cladistics

    2. Inbreeding

    3. Evolution of horse

    4. Continental drift and its significance

Section-B

  1. Distinguish between any four of the following (each answer may be in about 150 words): (20 × 4 = 40)

    1. Saturated and Unsaturated fatty acids

    2. Oxygen transport and Carbon dioxide

    3. Hormones and Pheromones

    4. Morphallaxis and Epimorphosis

    5. Clotting and Coagulation Transport

  2. Describe the biochemical events in Krebs'cycle and add a note on oxidative phosphorylation (40)

  3. Describe a detailed structure of uriniferous tubule and physiology of regulation of urine formation (40).

  4. Discuss the concept and methods of embryo transfer technology (40).