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
- Protozoa: Parasitism, conjugation and autogamy, medical importance.
- Porifera: Canal system, skeletal structures and their taxonomic value, position of porifera in the Animal Kingdom.
- Coelenterata: Polymorphism; measenteries corals and coral reefs.
- Platyhelminthes: Parastic adaptations, medical importance
- Nematoda: Medical importance.
- Anneilda: Coelom, metamerism,
- Mollusca: Shell, modifications of foot, feeding, respiration, shell fishery,
- Arthropoda: Appendages, feeding: respiration, larvae.
- Echinodermata: Skeleton, water vascular system, larvae.
PART - B
Chordata
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)
GENERAL ZOOLOGY
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 inclusions 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 cardiovascular system, nutrition: modes of nutrition, digestion and assimilation of food stuff, Excretion: nature and sources of substances excreted, modes of excretions, Nervous system, nerve impulses, Hormones and their biological action
.Part - C
Genetics: Mendelian principles, multiple alleles, interaction of genes: linkage and crossing over, mapping of genes, sex determination and sex linkage, mutations, chromosoinal 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, modem concept of natural selection, evolutionary trends.
Part - E
Ecology : Concept of ecosystem, biogeochemical cycles, animal adaptations to major habitats, environmental pollution and its effect on life.
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