Zoology Syllabus of TNPSC

Paper - I

Unit - I : Non-Chordata : General Organization - classificaiton with disgnostic features upto class level. Shelled Protozoans, Economic Importance, Fossil Protozoans and thier importance, Neuromotor system in ciliates.

Unit - II : Origin of Metazoa - Theories and Evolution, Economic importance of Portiera, Polymorphism in Hydrogen, Coral reefs - structure - Formation and theories, Origin and evolution of Coelenterates.

Unit - III : Origin - Types of caelom in Bilateria Effects of parasitism on the parasites and Hosts in Helminthes, Coelom in Annelida, Metamorism in Annelida, Mods of Life in polychactes.

Unit - IV : Larval forms and parasitism in Crustacea - Neuro secretion and pheromones in insects.

Unit - V : Adaptive radiation in Gastropods, Oyster culture and pearl formation, Larval forms of Echinodermata and their Significance.

Unit - VI : Retrogresive Metamorphosis, Neotany and affinities of Ascidian.

Unit - VII : Migration in Fishes, Accessory Respiration in Fishes, Strucutre, Affinities, and distribution of Dipnoi, Origin and Evolution of Amphibia.

Unit - VIII : Conquest of Land - Adaptations to live onland - Temporal Vacuities in Reptilia.

Unit - IX : Adaptiue radiation in Birds - Migration in Birds

Unit - X : Study of wild life Mammals in India and Conservation measures.

Paper - II


Unit - I : Cell, and Molecular Biology : DNA Structure and function, Replication - Genetic code, RNA and protein synthesis.

Unit - II : Bio Physics Microscopy : Principles of Electron Microscope, Polarising, Fluroscent, Interference Microscope. Photo - Electric Calorimetry, Freeze drying - freezing, Microtome and Cryostat X-ray - Differaction, - Ultra - Violet and infrared, Spectroscopy and Autoradiography.

Unit - III : Genetics : Gene concept, one Gene - one polypeptide - concept, Enzyme regulation - Operon concept - GAL and LAC - Operon System. Population Genetics - Hardy - Weinberg Law - Genetic Equilibrium. Radiation Genetics - mechanisms of Chromosomal breakage - Mutagens and Mutagenesis - Carcinogens and carcinogenesis - Human Genetics. Karyotype - Variation in Karyotypes with special reference to syndromes. Genetic Engineering - Present Status.

Unit - IV : Bio-Statics : Collection of data. Primary and secondary - compiling and sampling methods - frequency distribution, frequency tables - diagrammatic representation - variables - measures of contral tendency, mean, median and mode, measures of dispersion. Standard deviation Standard error - Correlation regression, regression analysis - students "t" test and chi-square test.

Unit - V : Bio-Chemistry : Structure of carbohydrates, amino acids, proteins, lipids - Glycolysis and Kreb's cycle - oxidation, reduction - oxidative phosphorylation energy conservation and release - cyclic AMP-ATP - saturated and unsaturated fatty acids - cholesterol - enzymes, mechanism of enzyme action, immunoglobulins and immunity - vitamins and ceenzymes - Hormones, their classification, biosynthesis and functions.

Unit - VI : Physiology : With reference to mammals digestion, role of salivary gland liver, pancreas and intestinal glands in digestion, nutrition, balanced diet in man-assimilation, intermediary metabolism - composition of blood - congulaiton - Transport of oxygen, corbondioxide, blood pigments - mechanism of respiration - muscles, mechanism of muscle contraciton, temperature regulaiton, acid, base balance and homeostasis - Nerve impulse conduction, neurotransmitters - receptors, photo, phone and chemproception - nephron and urine formation - endocrine glands, ovary and pituitary organs and their inter relationship, physiology of reproduction in humans Normonal control of development in man and insect pheromones - Biolumninescence, biological rhythms.

Unit - VII : Immuno-Biology : Immune resposnes - Primary, Secondary and Theories. Immunity types - Innate, Active and Passive - Cell mediated and Humoral immunity, Types of Antigens and immuno globulins - Cellular Immunity, T & B CELLS - elisa & RIA Techniques - AIDS. Developmental Biology:- Fertilization: Significance, palyspermy Gynogenesis, Androgenesis, Parthenogenesis, Polarity Symmetry, Radiant, Embryomic fields, Differentiation - Nuclear and Chemical factors, Inductors and organisers, Genes and organisers Regeneration - Polarity and Gradient in Regeneration.

Unit - VIII : Resource Ecology and Management, Renewable and Non-Renewable natural resources. Energy resources - conventional and non-conventional. Fresh water marine Estuarine and Mangrove resources. Wild Life, conservation and Management. Air, Water, Soil, Sound pollution. Laws related to Environment - Laws related to Envrionmental Protection Act. Space Ecology and Radiation Ecology.

Unit - IX : Evolution : Bio-chemical Evolution - cultural Evolution. Present Status of Natural Selection. Genetics and Natural Selection, Adaption and Evolution.

Unit - X : Economic Zoology : Parasitism and commonsalism - protozoan parasites and diseases - helminth parasites and diseases of man and domestic animals - Beneficial and destructive insects - insect pests and crops and stored products. Control methods. Sericulture, apiculture, poultry, pisciculture and induced breeding, Shell fisheries - Aqua culture practices in Tamil Nadu and their impact on the environment and on agriculture.