Q.1
--- are the enzymes responsible for the conversion of PUFAs to prostaglandins.
Marine Lipids, PUFAs & Antioxidant Mechanisms: Omega-3 Fatty Acids (EPA, DHA), Lipid Peroxidation, Prostaglandin Synthesis & Astaxanthin
Official Fisheries Technology & Engineering Fish Biochemistry chapter-wise solved questions with verified bilingual step-by-step solutions.
Aquaculture Engineering
4 Topics
Aquaculture Farm Surveying & Earthen Pond Engineering: Site Selection, Contour Topography, Ideal Soils (Clay Loam), Dyke Design, Berms & Sluice Gates
Water Supply, Pumping & Hydraulic Structures: Tidal Feeder Canals, Monks, Weirs, Head Losses & Air-Lift Pumping Systems
Recirculating Aquaculture Systems (RAS) & Filtration Engineering: Mechanical Drums, Biological Filters (Bio-Drum), Nitrification Kinetics & Water Exchange
Open Water Cage Culture & Mooring Engineering: Circular/Rectangular Cages, Mooring Lines, Anchors, Grid Subsystems & Net Antifouling
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
Active
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 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
Fishing Harbour and Fleet Management
5 Topics
Marine Navigation, Electronic Instruments & Safety: Seamanship, SOLAS 1974, Port/Starboard Rules, GPS Signals, Sonar/Echo Sounders & Radar
Fishing Boat Architecture & Hull Geometry: Lines Plan Lofting, Hull Forms (Flat, V-Bottom, Round Bilge), Wave Resistance & Bulbous Bow
Vessel Hydrostatics, Capacity & Stability: Displacement, Deadweight, Gross/Net Tonnage, Midship Section, Waterlines & Metacentric Height
Marine Propulsion Systems, Propellers & Steering: Inboard/Outboard Marine Engines, Propeller Pitch, Slip, Cavitation, Rudder & Maneuvering
Fishing Harbour Engineering & Yard Operations: Harbour Layout, Breakwaters, Jetties, Slipways, Dry Docks, Marine Borers & Cathodic Protection
Fishing Technology
6 Topics
Active & Surrounding Fishing Gears: Trawls, Suberkrub Otter Boards, Beach Seines (Kambavalai), Purse Seines & Lampara Nets
Fishing Gear Design, Lofting & Calculations: Hanging Coefficients (E1, E2), Twine to Mesh Ratio (d/a), Net Scale Drawings & Cutting Rates
Bycatch Reduction Devices & Gear Selectivity: Nordmore Grids, Turtle Excluder Devices (TED), Square Mesh Codends & Flume Tank Testing
Fish Behaviour, Trolling & Hydrodynamic Devices: Burst Swimming Speed, Hydrofoil Depressors, Artificial Baits & Fish Aggregating Devices (FADs)
Fishing Gear Materials & Twine Properties: Natural vs Synthetic Fibers, Twine Construction (S/Z Twist), Breaking Strength & Netting Nomenclature
Passive & Selective Fishing Gears: Gillnets, Entangling Nets, Hook and Line / Longline Mechanics, Traps & Pots
General Agriculture
6 TopicsLow 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
Refrigeration, Electrical & Equipment Engineering
4 Topics
Marine Refrigeration Cycles & Heat Load Engineering: Vapor Compression Cycle, Compressors, Condensers, Heat Load Calculations & Safety Protocols
Marine Electrical Systems & Power Distribution: Step-Up/Step-Down Transformers, Three-Phase AC Systems, DC Motors & Switchboards
Seafood Freezing Equipment & Thermodynamic Machinery: Air Blast Freezers, Contact Plate Freezers, Cryogenic Tunnel Freezers & Freeze Dryers
Thermal Dehydration & Food Processing Machinery: Mechanical Tunnel Dryers, Dehydrators, Packing Machines & Equipment Preventative Maintenance
Official PYQ Papers
Previous Year Papers of Fisheries Technology & Engineering
Practice official shift-wise question papers with answer keys and detailed explanations on the actual exam pattern.
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Previous Papers
2024
29-06-2024