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Old Wednesday, July 04, 2012
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40. ZOOLOGY
Total Marks – 200

Paper I
Marks – 100



Invertebrate and chordate zoology

The candidates will be required to attempt five questions – three from Part A and two from Part b

Part A

Invertebrate

General organization (general morphology, mode of life, adaptations, life cycles and economic importance) of the following groups with special reference to the topics mentioned in each group:
  1. Protozoa: Parasitism, conjugation and auto gamy, medical importance
  2. Porifera: Canal system skeletal structures and their taxonomic value, position of porifera in the animal kingdom
  3. Coelenterata: Polymorphism, measenterics, corals and coral reefs
  4. Platy helminthes: Parasitic adaptations, medical importance
  5. Nematode; Medical importance
  6. Aunelida: Coelum, metamerism
  7. Mollusca: Shell, modifications of foot, feeding, respiration, shell fishery
  8. Echinodermata: Skeleton, water vascular system, larvae
  9. Anthropoda: Appendages, feeding, respiration, larvae

Part B

Chordate

Origin, comparative account of skeleton, circulatory, excretory and nervous systems, development (Egg types, cleavage, blastula and gastrula, germ layer / formation, embryonic membranes and placentation) natural history (mode of life, migration, adaptations, biting mechanism of snakes)

Paper II

Marks – 100


The candidates will be required to attempt at least one question from each part
Part A

Cell biology: Morphology, chemical composition and functions of nucleus, nuclear inclusion and cytoplasmic organelles, protein synthesis and molecular genetics, mechanism of mitosis and meiosis

Part B

General physiology: Respiration, respiratory mechanism, respiratory pigments, transport of oxygen and carbon dioxide, circulation. Haemodynamics, control of cardio vascular system, nutrition, modes of
nutrition, digestion and assimilation of food stuff. Excretion – nature and sources of substance excreted, modes of excretions, nervous system, nerve impulses, hormones and their biological action

Part C

Genetics: Mendelian principles, multiple alleles, interaction of genes – linkages and crossing over, mapping of genes, sex determination and sex linkages, mutations, chromosomal aberrations, gene concept

Part D

Evolution: Origin of life, organic diversity, theories to account for organic diversity, Phylogeny and ontogeny, species concept, mechanism of evolution, modern concept of natural selection, evolutionary trends

Part E

Ecology: Concept of Ecosystem, biochemical cycles, animal adaptations to major habitats, environmental pollution and its effect on life.
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