TAMIL NADU PUBLIC SERVICE COMMISSION
                                         BIOLOGY (PG DEGREE STANDARD) Code No.227
                                          FOR THE POST OF JUNIOR SCIENTIFIC OFFICER
                                                                 UNIT-I
General classification and salient features of Invertebrata and vertebrata – Metamorphosis and
regeneration in lower forms of animal – Economic importance of oyster, honey bee, Silkworm –
Agricultural pests and their control – Larval forms of crustacean and Echinodermata -
Classification and identification of poisonous and nonpoisonous snakes and types of snake
venom. Evolution: Theories, types and factors influencing evolution Evidences of human
evolution – Human genetics: Pedigree analysis, lod score for linkage testing, Karyotyping,
Significance of human genome project.
                                                                 UNIT-II
Structural organization and importance of animal cells - Muscle cells – Cardiac, Striated and
non-striated muscle cells– HepatocytesNeurons, Nephrons, Karatocytes, immune and
endocrine cells. Functions of hormones and their receptors – Impact of sex hormones in human
behavior. Chronobiology: importance of circadian rhythm and human biological clock – DNA
analysis in paternity testing – Cell counting of WBC and RBC.Functions and disorders of
Digestive, Respiratory, Cardiovascular Nervous, Muscular, Excretory, Reproductive and
Integumentary systems. Developmental biology: production of sperm and egg, Fertilization –
Zygote, Cleavage. Blastulation, gastrulation and formation of germ layers in animals and
organogenesis – determination of sex by Amniocentosis. Entomology: Insect classification –
Beneficial and harmful insects – Role of insects in decomposition of decayed materials –
Exploiting insect olfaction in forensic studies – Importance of ants, blowflies and beetles in
forensic investigation.
                                                      UNIT – III
Fundamentals of Anthropology
Meaning – Scope and branches of Anthropology – Basic concepts / principles of Physical or
Biological Anthropology – Anthropology and its relation with other Social, Biological and Medical
Sciences – Analysis of kinship – Health and Ethno medicine – Population dynamicswith special
reference to Tamil Nadu – Applied and developmental Anthropology – Tribal, Rural and Urban
Communities
Research Methodology- Anthropological research – Fieldwork Tradition, Methods and
Techniques, Qualitative and Quantitative research Methods, Observation, Case study,
Ethnography, Life histories and Personal documents, Visual Anthropology, Genealogical
Methods.
                                                        UNIT – IV
Physical / Biological Anthropology
Position of human being in the animal kingdom – Human Evolution - Theories of human
evaluation, Human growth and development – Factors affecting for growth,Demographic growth
variation,Sex andGender – Bio-cultural dimensions, Race and Ethnicity - Major racial groups of
India,Ethnicity and contemporary relevance – Applied physical anthropology - Anthropometry
and its uses, DNA Technology,genetic diseases, Forensic Anthropology and criminal
investigations

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