of Part B - Main Examination of Civil Services Exam
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PAPER – I
1. Non-chordata and
Classification and relationship of various phyla up to subclasses:
Acoelomate and Coelomate, Protostomes and Deuterostomes, Bilateria and Radiata;
Status of Protista, Parazoa, Onychophora and Hemichordata; Symmetry.
Protozoa: Locomotion, nutrition, reproduction, sex; General features and
life history of Paramaecium, Monocystis, Plasmodium and Leishmania.
Porifera: Skeleton, canal system and reproduction.
Cnidaria: Polymorphism, defensive structures and their mechanism; coral
reefs and their formation; metagenesis; general features and life history of Obelia
Platyhelminthes: Parasitic adaptation; general features and life history
of Fasciola and Taenia and their pathogenic symptoms.
Nemathelminthes: General features, life history, parasitic adaptation of Ascaris
Annelida: Coelom and
metamerism; modes of life in polychaetes; general features and life history of
Nereis, earthworm and leach.
Arthropoda: Larval forms and parasitism in Crustacea; vision and
respiration in arthropods (Prawn, cockroach and scorpion); modification of mouth
parts in insects (cockroach, mosquito, housefly, honey bee and butterfly);
metamorphosis in insect and its hormonal regulation, social behaviour of Apis
respiration, locomotion, general features and life history of Lamellidens,
Pila and Sepia, torsion and detorsion in gastropods.
respiration, locomotion, larval forms, general features and life history of Asterias.
Protochordata: Origin of chordates; general features and life history of Branchiostoma
locomotion and migration.
Amphibia: Origin of
tetrapods, parental care, paedomorphosis.
Reptilia; Origin of
reptiles, skull types, status of Sphenodon and crocodiles.
Aves: Origin of birds,
flight adaptation, migration.
Mammalia: Origin of mammals,
dentition, general features of egg laying mammals, pouched-mammals, aquatic
mammals and primates, endocrine glands (pituitary, thyroid, parathyroid,
adrenal, pancreas, gonads) and their interrelationships.
Comparative functional anatomy of various systems of vertebrates
(integument and its derivatives, endoskeleton, locomotory organs, digestive
system, respiratory system, circulatory system including heart and aortic
arches, urino-genital system, brain and sense organs (eye and ear).
Biosphere: Concept of
biosphere; biomes, Biogeochemical cycles, Human induced changes in atmosphere
including green house effect, ecological succession, biomes and ecotones,
Concept of ecosystem; structure and function of ecosystem, types of
ecosystem, ecological succession, ecological adaptation.
Population; characteristics, population dynamics, population
Biodiversity and diversity conservation of natural resources.
Wildlife of India.
Remote sensing for sustainable development.
Environmental biodegradation, pollution and its impact on biosphere and
Behaviour: Sensory filtering, reponsiveness, sign stimuli, learning and
memory, instinct, habituation, conditioning, imprinting.
Role of hormones in drive; role of pheromones in alarm spreading; crypsis,
predator detection, predator tactics, social hierarchies in primates, social
organization in insects.
Orientation, navigation, homing, biological rhythms, biological clock,
tidal, seasonal and circadian rhythms.
Methods of studying animal behaviour including sexual conflict,
selfishness, kinship and altruism.
Apiculture, sericulture, lac culture, carp culture, pearl culture, prawn
Major infectious and communicable diseases (malaria, filaria,
tuberculosis, cholera and AIDS) their vectors, pathogens and prevention.
Cattle and livestock diseases, their pathogen (helminthes) and vectors
(ticks, mites, Tabanus, Stomoxys).
Pests of sugar cane (Pyrilla perpusiella) oil seed (Achaea
janata) and rice (Sitophilus oryzae).
Medical biotechnology, human genetic disease and genetic counselling,
Designing of experiments; null
hypothesis; correlation, regression, distribution and measure of central
tendency, chi square, student-test, F-test (one-way & two-way F-test).
Spectrophotometer, phase contrast and fluorescence microscopy,
radioactive tracer, ultra centrifuge, gel electrophoresis, PCR, ELISA, FISH and
Electron microscopy (TEM, SEM).
Structure and function of cell and its organelles (nucleus, plasma
membrane, mitochondria, Golgi bodies, endoplasmic reticulum, ribosomes, and
lysosomes), cell division (mitosis and meiosis), mitotic spindle and mitotic
apparatus, chromosome movements, chromosome type polytene and lambrush,
organization of chromatin, heterochromatin, Cell cycle regulation.
Nucleic acid topology, DNA motif, DNA replication, transcription, RNA
processing, translation, protein foldings and transport.
Modern concept of gene, split gene, genetic regulation, genetic code.
Sex chromosomes and their evolution, sex determination in Drosophila and
Mendel’s laws of inheritance, recombination, linkage, multiple alleles,
genetics of blood groups, pedigree analysis, hereditary diseases in man.
Mutations and mutagenesis.
Recombinant DNA technology; plasmid, cosmid, artificial chromosomes as
vectors, transgenic, DNA cloning and whole animal cloning (principles and
Gene regulation and expression in prokaryotes and eukaryotes.
Signal molecules, cell death, defects in signaling pathway and
RFLP, RAPD and AFLP and application of RFLP in DNA finger printing,
ribozyme technologies, human genome project, genomics and protomics.
Theories of origin of life.
Theories of evolution; Natural
selection, role of mutations in evolution, evolutionary patterns, molecular
drive, mimicry, variation, isolation and speciation.
Evolution of horse, elephant and man using fossil data.
Continental drift and distribution of animals.
Zoological nomenclature, international code, cladistics, molecular
taxonomy and biodiversity.
Structure and role of carbohydrates, fats, fatty acids and cholesterol,
proteins and amino-acids, nucleic acids. Bioenergetics.
Glycolysis and Kreb cycle, oxidation and reduction, oxidative
phosphorylation, energy conservation and release, ATP cycle, cyclic AMP – its
structure and role.
Hormone classification (steroid and peptide hormones), biosynthesis and
Enzymes: types and mechanisms of action.
Vitamins and co-enzymes
Immunoglobulin and immunity.
Physiology (with special reference to mammals):
Composition and constituents of blood; blood groups and Rh factor in man,
factors and mechanism of coagulation, iron metabolism, acid-base balance,
Haemoglobin: Composition, types and role in transport of oxygen and carbon
Digestion and absorption: Role
of salivary glands, liver, pancreas and intestinal glands.
Excretion: nephron and regulation of urine formation; osmo-regulation and
Muscles: Types, mechanism of contraction of skeletal muscles, effects of
exercise on muscles.
Neuron: nerve impulse –
its conduction and synaptic transmission, neurotransmitters.
Vision, hearing and olfaction in man.
Physiology of reproduction, puberty and menopause in human.
Gametogenesis; spermatogenesis, composition of semen, in vitro and
in vivo capacitation of mammalian sperm, Oogenesis, totipotency;
fertilization, morphogenesis and morphogen, blastogenesis, establishment of body
axes formation, fate map, gestulation in frog and chick; genes in development in
chick, homeotic genes, development of eye and heart, placenta in mammals.
Cell lineage, cell-to cell interaction, Genetic and induced teratogenesis,
role of thyroxine in control of metamorphosis in amphibia, paedogenesis and
neoteny, cell death, aging.
Developmental genes in man, in vitro fertilization and embryo
Stem cells: Sources, types and their use in human welfare.
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