Introduction
The TN TRB Assistant Professor Marine Biology Syllabus provides a complete overview of the subjects candidates need to study for the Tamil Nadu Teachers Recruitment Board (TRB) examination. The syllabus covers essential areas such as marine ecology, oceanography, marine biodiversity, fisheries biology, aquaculture, and environmental conservation. It is designed to assess a candidate’s understanding of marine life systems, ecological balance, and the sustainable use of ocean resources. By following this syllabus, aspirants can prepare effectively for teaching and research roles related to marine sciences in higher education institutions
TN TRB Assistant Professor Marine Biology Syllabus
UNIT- 1
Introduction to marine environment–Origin of Ocean – Uniqueness–Classification -major group of organisms–General adaptations of organisms; Pelagic, Benthic zones and hydrothermal vents, cold seep communities and their adaptations; sea floor features–submarine canyons- mid ocean ridges – trenches–island arcs and basins. Physical properties of sea water–temperature distribution – pressure – density –viscosity–surface tension–conductivity; Heat Budget – fluxes – insolation – infrared -latent heat; Light–UV radiation – acoustics – Currents–geotrophic currents -Oceanic circulations – vorticity–deep circulation–Eckman spiral–Langmuir circulation–monsoon and trade winds–Upwelling; Tropical Ocean stratification –ElNino – ENSO – Waves–theories of waves–internal and standing waves – Tides -formation of swells–tidal currents–effect in coastal areas–importance of tide table -tidal and wave energy – OTEC–short term and long term sea level variations –tectonics – Tsunamis–storm surges–cyclones and impacts; Recent developments–modern challenges in oceanography–satellite oceanography– Automated ocean observatory; Marine zoogeography with reference to Arctic – Antartic–Indian Oceans
UNIT- 2
Introduction–Ocean as chemical system–origin of salt–differences between freshwater and sea water; Chemical properties of Ocean water–major and minor constituents–ionic composition–major and minor elements–trace metals – chlorinity–salinity of seawater–methods of measurements; Distribution of oxygen –carbondioxide – nitrogen– hydrogen sulphide – methane–humic substances; Role of inorganic nutrients in the fertility of the sea; Nitrogen – phosphorus–silicon in the sea – distribution-cycling – regeneration–N:P ratio; Wealth of the ocean – minerals –salt – gluconite – petroleum – phosphorite–manganese nodules–economy of extraction – desalination–dissolved organic matters.
UNIT- 3
Plankton – classification–phytoplankton–zooplankton – composition–mode of life -nekton–benthos–interrelationship– methods of collection – identification–factors influencing primary production–vertical migration–structural and physiological adaptations of plankton and ecology; Harmful Algal Blooms (HAB)–Red tide phenomena and their effects; Primary–secondary and tertiary production–methods for measuring the productivity–factors affecting productivity–CO2 sequestration–productivity in different oceans; Marine Effect of the physical and chemical factors on marine organisms.
UNIT- 4
Marine microbes and viruses – Types–Microbial associations–Ecological roles–Pathogenic microorganisms in finfish and shellfish–impact to human beings; Pathogens in sea foods-spoilage during processing and preservation; faecal and total coliform microbes; microbial technology – fermenter–batch and continuous culture-bench top-kinetics of product recovery; Microbial products-primary and secondary metabolites – antibodies–enzymes. Bioactive marine natural products–introduction to marine natural products–anti tumor–tumor promoting–anti inflammatory–analgesic–anti viral agents–antibiotic–cytotoxic–antimicrobial compounds. Algal product–Single cell protein–hydrocolloids–agarose–carrageen–alginates–enzymes–sources – applications; Marine lipids–sources – applications. DNA sequence–structural analyses–DNA sequence alignment–phylogeny–basic logical alignment tool–3D, molecular visualizer–drug designing.
UNIT–5
Marine Ecosystems–concepts–principal components–food chains–trophic structure–food web–ecological pyramids–energy flow–evolution and management–system ecology and modelling; Animal association–mutualism – commensalism–symbiosis – parasitism-competition and succession-dispersal and settlement; Population ecology– growth–density variations–concept of carrying capacity; Dispersal–prey-predator relationship–density dependent–density independent factors; Seagrasses: Distribution-types-morphological-anatomical and physiological adaptations-ecological role – uses; Seaweeds – distribution-types-ecological role-uses; Saltmarshes – distribution – adaptations – ecological role – uses.
UNIT–6
Intertidal zone–effect of environmental condition-adaptations on intertidal organisms; Sandy shore–Environmental conditions-organisms–adaptation of organisms-food and feeding-interstitial fauna-coastal sand dunes-types; Muddy shore- Environmental conditions-organisms and adaptations-zonation of muddy shore organisms-food and feeding; Rocky shore-organisms-zonation pattern-adaptation to wave action, temperature and their effect-food and feeding. Corals-types-theories of coral reefs – distribution-importance of corals-biology and ecology of corals-organism associated with corals-species interaction; Estuary-types-classification – physic–chemical conditions–estuarine organismsadaptations- ecological role and economic importance; Mangroves-types-ecology of mangroves–physiological and anatomical adaptations-ecological role-economic importance–uses; Lagoon-environmental conditions, organisms and adaptations- importance.
UNIT- 7
Marine Pollution: Major pollutants – sources–transport -monitoring methods – bioindicators–bioaccumulation– biomagnification-mussel watch–GESAMP–sewage discharge-impact on marine environment-eutrophication; Heavy metal pollution-sources-distribution-fate-toxicity–Minamata–itaiitai diseases; Oil pollution-sources-fatebiodegradation-impact of oil on organisms-treatment techniques; Thermal pollution-sources-waste heat disposal-impact of biocides-chlorine-ecological impacts; Pesticide pollution–impacts with special reference to marine fishes, birds and mammals; Radioactive pollution-sources-biological effects; Biofouling-problems-control measuresantifouling paints and environmental pollution; Use of analytical instruments–AAS–ICP –HPLC- GC.
UNIT – 8
Classification–life history and phylogenetic relationship of Protozoa and Sponges; Coelenterate – polymorphismlife history–Polychaete–classification–morphology–reproduction and adaptive radiation; Functional morphology– development–nemertinea–entoprocta–ectoprocta–phoronida– pogonophora; Chaetognatha–classification – morphologyanatomy; Brachiopoda–classification–morphology–palaeontology and evolution; Crustacea–classification–comparative morphology–moulting–larval forms–evolution and palaeontology; Mollusca–classification–general characters–bivalves– gastropods – cephalopods; Echinodermata–water vascular system–larvae–their comparative morphology; Prochordata– classification–comparative morphology–reproduction–early development–larval metamorphosis.
UNIT – 9
Classification of fin and shell fishes with special reference to species of commercial importance; Pelagic–demersal– oceanic–deep-sea resources; Potential and present level of exploitation; Food and feeding habits; Reproductive system of fishes–maturation and spawning–relative condition factor- fecundity; Respiratory- Circulatory–systems of fishes; Fish population dynamics–fish stock assessment–Maximum Sustainable Yield (MSY); Age and growth of fishes- estimation of growth–length–weight relationships; Fishing aids–echo-sounder–SONAR–GPS–remote sensing; Fishing craft and gears–fresh fish handling at onboard and landing centers; Fisheries forecasting-fishing regulations– closed seasons and protected areas; Aquatic mammals- classification–adaptation–evolution of cetaceans – sirenians; Aquatic adaptation–respiratory–circulatory mechanisms–comparative anatomy of skin derivatives; Embryology–with special reference to marine vertebrates–fish- bird- mammal.
UNIT- 10
Threats to Marine Environment: Short term and long term threats-over-exploitation of fishery resources-pollutionhabitat destruction-degradation-land reclamation-invasive alien species-disease problem-climate change-ocean acidification; Threats to coral reefs: storms and waves-outbreak of crown-of-thorns-Elino-ocean acidification-man made activities; Threats to Mangroves: Causes of mangrove degradation-destruction-urbanization-agriculture-aquaculture practices-over fishing-cutting for timbers-fuel- charcoal-prevention of freshwater and tidal flow-oil pollution-mining; Threats to Estuaries: Land reclamation-urbanization-sewage disposal-oil waste-over exploitations of resources. Ocean conservation and Management: Role of national and international organizations in Ocean managementLaw of sea -Geneva convention-UNCLOS-Antarctic treaty-sea bed treaty and importance; Biodiversity-conservationendangered marine animals-marine Biosphere Reserves-marine parks-Marine Protected Areas (MPA); Marine fishing management policies-coastal management policies-convention on biological diversity (CBD)–IUCN-WTO-CITES-UNEPIOC-CMS-WWF-IMO-ICES; Integrated coastal zone management coastal zone regulation 1991 and amendments in India-aquaculture bill.
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Conclusion
The Marine Biology syllabus for the TN TRB Assistant Professor exam acts as a structured guide for candidates aiming to qualify for teaching positions in Tamil Nadu’s Government Colleges. With consistent study and a clear grasp of marine ecosystems and biological processes, aspirants can confidently perform well in the exam. This syllabus not only supports academic preparation but also encourages awareness about marine conservation and the importance of ocean studies in addressing global environmental challenges.
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