Q.1
Aquatic Environmental Management- ICAR JRF/SRF 2024 (Q.62)
MCQ (Single Correct) +4 −1
BOD is a measure of-
Q.2
Aquatic Environmental Management- ICAR JRF/SRF 2024 (Q.73)
MCQ (Single Correct) +4 −1

Which of the following is a potential consequence of eutrophication in aquatic ecosystems?

Q.3
Aquatic Environmental Management- ICAR JRF/SRF 2024 (Q.107)
MCQ (Single Correct) +4 −1

Which of the following is a common consequence of nutrient pollution in aquatic ecosystems?

Aquatic Environmental Management Subjects

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Aquatic Ecosystem, Biodiversity and Marine Ecology

3 Topics
Marine Biodiversity, Hotspots & Ecological Indices: Alpha/Beta/Gamma Diversity, Simpson & Shannon Indices, UNESCO Marine World Heritage (Sundarbans) Coastal Geomorphology, Sandy Beaches & Marine Protected Areas: Reflective vs Dissipative Beaches, Coastal Zonation, MPAs (Holiday & Lothian Islands) Aquatic Ecology, Estuaries & Wetland Conservation: Inland Lotic/Lentic Waters, Estuarine Hydrodynamics, Ramsar Convention & Secretariat (Gland)

Aquatic Pollution and Microbiology

5 Topics
Microplastics, Nanoparticles & Emerging Contaminants: Microplastic Entry Routes, Ingestion Hazards, Nanotoxicity & Coral Bleaching by Sunscreens Bioremediation Technologies & Microbial Biogeochemistry: Microalgae Phycotechnology, Pollutant Biodegradation, Bio-Sensors & Antibiotic Resistance Eutrophication, Nutrient Dynamics & Hypoxia: Nitrogen/Phosphorus Loading, Cultural Eutrophication, Algal Blooms & Dissolved Oxygen Depletion Active Heavy Metal Ecotoxicology & Aquatic Bioaccumulation: Mercury, Cadmium, Lead Toxicity, Bioaccumulation Kinetics & Histopathological Symptoms Aquatic Microbial Communities & Biofilm Ecology: Microflora Dynamics, Biofilms Role in Water Purification, Extracellular Polymeric Substances (EPS)

Chemical Interaction in the Aquatic Environment and Analytical Techniques

2 Topics
Aquatic Soil Mineralogy, Profile Horizons & Surface Chemistry: Soil Texture Fractions, Specific Surface Area, Zeolite Tetrahedrons & Cation Exchange (CEC) Organic Matter Decomposition & Chemical Detoxification: Humification Kinetics, Mineralization Rates, Sediment Redox Potentials & Soil Remediation

Fish Biochemistry

4 Topics
Fish Muscle Proteins & Structural Biochemistry: Sarcoplasmic, Myofibrillar (Actomyosin), Stroma (Collagen) & Connective Mucopolysaccharides Marine Lipids, PUFAs & Antioxidant Mechanisms: Omega-3 Fatty Acids (EPA, DHA), Lipid Peroxidation, Prostaglandin Synthesis & Astaxanthin Non-Protein Nitrogen (NPN) & Biogenic Amines: Trimethylamine Oxide (TMAO), Urea, Free Amino Acids, Betaines, Octopine & Histamine/Cadaverine Post-Mortem Rigor Mortis, Autolysis & Spoilage Enzymes: Glycolysis, ATP Breakdown, Cathepsins, Calpains, Bleeding & Enzymatic Hydrolysis

Fish Biology and Stock Assessment

6 Topics
Ecosystem Modeling, Remote Sensing & Marine GIS: ECOPATH with ECOSIM, Potential Fishing Zones (PFZ), Ocean Colour Sensors & Acoustic Biomass Ichthyotaxonomy, Morphometrics & Anatomy: Finfish Classification, Meristic Characters, Larval Metamorphosis & Age Estimation via Otoliths Trophodynamics & Feeding Ecology: Alimentary Canal Adaptations, Index of Relative Importance, Levins Niche Breadth Index & Trophic Levels Reproductive Biology, Hermaphroditism & Maturation: Fecundity, Gonadosomatic Index, Protogyny, Diandry, Spawning Histology & Gynogenesis Fish Growth, von Bertalanffy Model & Mortality: Length-Weight Relationship, Isometric/Allometric Growth, Total (Z), Natural (M) & Fishing (F) Mortality Stock Assessment Models & Maximum Sustainable Yield: Surplus Production Models (Schaefer, Fox), Analytical Models, Linearized Catch Curve & MSY/MEY

Fish Curing, Value Addition and By-Products

4 Topics
Surimi Technology & Texturized Seafood Products: Water Leaching, Cryoprotectants (Sugar, Sorbitol, Polyphosphates), Heat-Induced Gelation & Kamaboko Salting, Drying & Water Activity Principles: Moisture Sorption Isotherms, Equilibrium Relative Humidity (ERH), Halophilic Bacteria & Salt Curing Methods Fish Smoking & Carcinogenic Compounds: Hot vs Cold Smoking, Polycyclic Aromatic Hydrocarbons (PAH / Benzopyrene), Smoke Generation & Preservative Phenols Marine Bio-Polymers, Chitin, Chitosan & Squalene: Demineralization, Deproteinization, Deacetylation, Shark Liver Oil Squalene & Pearl Essence (Guanine)

Fisheries Livelihood

3 Topics
Gender Roles, Women in Fisheries & Welfare Schemes: Division of Labour, CEDAW, Gender Development Index (GDI), PMMSY & Microfinance Collectives Fisher Community Livelihood Assets & Vulnerability: Sustainable Livelihood Approach (Human, Natural, Financial, Social, Physical Capitals) & Disaster Risk Fisheries Extension, Institutions & Blue Economy: Extension Approaches, NFDB, Blue Revolution Initiatives, Primary Fisheries Co-operatives & Blockchain

Fisheries Management and Responsible Fisheries

3 Topics
Selective & Eco-Friendly Fishing Gears: Bycatch Reduction Devices (BRD), Turtle Excluder Devices (TED), Square Mesh Codends & Selectivity Curves Fisheries Legislation, Treaties & Maritime Law: Territorial Waters, UNCLOS, High Seas Treaty, Indian Fisheries Act & Maritime Zones Act Input, Output & Technical Management Controls: Mesh Size Regulations, Closed Fishing Seasons (Bans), Marine Fishing Regulation Acts & MSC

Fisheries Oceanography

4 Topics
Ocean-Atmosphere Couplings, ENSO & Indian Ocean Dipole: El Nino-Southern Oscillation (ENSO), Southern Oscillation Index (SOI) & IOD Dynamics Satellite Oceanography, Altimetry & Fisheries Applications: Sea Surface Altimetry, Ocean Eddies, Sea Surface Temperature (SST) & Artificial Reefs Physical Oceanography, Ocean Currents & Bathymetry: Mid-Ocean Ridges, Thermohaline Circulation, Coriolis Deflection & Wind-Driven Surface Currents Coastal Upwelling Systems & Biological Productivity: Wind-Induced Ekman Transport, Coastal Upwelling Zones, Mudbanks (Chakara) & Phytoplankton Blooms

Fisheries Resources

3 Topics
Inland & Estuarine Fisheries Resources: Major Riverine Systems (Ganga, Brahmaputra), Coldwater Fisheries, Reservoir Fisheries & Estuaries Aquatic Biodiversity, Endangered Species & Conservation: IUCN Red List, CITES, Marine Protected Areas, Gulf of Mannar Biosphere & Exotic Species Global & Indian Marine Capture Fisheries: EEZ Potential, Continental Shelf Resources, Pelagic & Demersal Finfish/Shellfish Stocks

Fundamentals of Environmental Sciences

3 Topics
Environmental Impact Assessment (EIA) & Statutory Law: EIA Process, Notification 2006, Public Hearings, Environmental Economics & Carbon Credits Atmospheric Physics, Meteorology & Global Warming: Earth Spheres, Radiative Forcing, Greenhouse Effect, Photochemical Smog & SO2 Emissions Ecological Interactions & Ecosystem Energetics: Population Interactions (Amensalism, Mutualism), Energy Trophic Flow & Photosynthesis-Respiration Ratio

General Agriculture

6 Topics
Agronomy, Tillage & Field Crop Production Agricultural Entomology, Nematology & Crop Protection Soil Science, Plant Nutrition & Reclamation Cell Biology, Plant Physiology & Biochemistry Agricultural Meteorology & Climate Science Crop Genetics, Plant Breeding & IPR

Low and High Temperature Preservation

2 Topics
Freezing Engineering & Cryoprotection: Air Blast Freezing, Plate Freezing, Individual Quick Freezing (IQF), Cryogenic Freezing, Glazing & Freeze Denaturation Thermal Processing & Commercial Sterilization: Canning Operations (Exhausting, Double Seaming Overlap), Thermal Death Kinetics (D, Z, F Values) & Retort Processing

Microbiological and Quality Aspects of Fish and Fishery Products

2 Topics
Chemical Additives, Contaminants & Residues: Sorbic Acid, Benzoates, Polyphosphates, Sulfites, Heavy Metals (Mercury, Lead, Cadmium) & Antibiotic Residues International Quality Standards, HACCP & Export Regulations: Seven HACCP Principles, Codex Alimentarius, ISO 22000, FSSA 2006, MPEDA ELISA & Traceability
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