Q.26
A heritability value of 0.7 for height in humans indicates that:
Fish Physiology and Biochemistry- ICAR JRF/SRF 2024
Official ICAR JRF/SRF 2024 solved question paper with verified bilingual step-by-step solutions.
Q.27
In analysis of variance (ANOVA), what does a high F-statistic value indicate?
Q.28
Which of the following is a strategy used to maintain genetic diversity in captive populations?
Q.29
The Nagoya Protocol on Access to Genetic Resources and Equitable Sharing of Benefits, came into force in—
Q.30
Cryopreservation of eggs and embryos of fish has been reported with less success. The main reasons are believed to be —
(A) . Large yolk sac
(B) . Large egg volume
(C) . Chorion
(D) . Chorionic membrane
Fish Biochemistry
4 Topics
Analytical Biochemical Techniques: Spectrophotometry, Gas Chromatography, Affinity Chromatography and Mass Spectrometry
Active
Chemistry of Biomolecules: Carbohydrates, Lipids, Fatty Acids (EPA, DHA) and Amino Acid Stereochemistry
Enzyme Kinetics: Michaelis-Menten Parameters (Km, Vmax), Catalytic Mechanisms and Coenzymes vs Cofactors
Vitamins and Trace Minerals: Biological Functions, Enzyme Active Centers (Zinc, Pyridoxal Phosphate, Vitamin K)
General Agriculture
6 TopicsIntroduction to Fish Physiology
4 Topics
Environmental Stress Physiology: Hypoxia, Hypercapnia, Stress Proteins (HSPs) and Antifreeze Glycoproteins (AFGPs)
Branchial Respiration, Countercurrent Gas Exchange and Mitochondrial-Rich Chloride Cells in Gill Epithelium
Nitrogen Excretion Strategies: Ammoniotelism vs Ureotelism, Branchial Ammonia Flux and Ammonia Detoxification
Osmoregulation & Excretion: Prime Ion Transporters (Na+/K+-ATPase, NKCC), Freshwater vs Saltwater Strategies
Metabolism of Biomolecules
5 Topics
Carbohydrate Metabolic Pathways: Glycolysis, Pentose Phosphate Pathway, Gluconeogenesis and Citric Acid Cycle Energetics
Amino Acid & Protein Metabolism: Transamination (ALT, AST), Oxidative Deamination, Urea Cycle and Branched-Chain Catabolism
Metabolic Endocrinology & Signaling: Insulin, Glucagon, Cortisol Dynamics and Orexigenic/Anorexigenic Neuropeptides
Lipid Metabolism: Acyl-CoA Activation, Carnitine Shuttle, Mitochondrial Beta-Oxidation and Prostaglandin Synthesis
Nucleic Acid Metabolism: De Novo and Salvage Pathways of Purine and Pyrimidine Biosynthesis
Reproductive Physiology and Endocrinology
5 Topics
Fish Sex Determination, Environmental Sex Reversal (Temperature/Aromatase Cyp19a1a), Hermaphroditism and Sex Chromosomes (ZW/XY)
Oogenesis, Vitellogenin Uptake, Cortical Alveoli Dynamics, Chorion Hardening and Spawning Biology
Brain-Pituitary-Gonadal Axis: GnRH, Gonadotropins (FSH, LH), Kisspeptin and Pineal Photoperiodic Transduction
Spermatogenesis, Sertoli Cell Dynamics, Milt Hydration and Teleost Acrosome Absence
Crustacean Neuroendocrinology: Sinus Gland / X-Organ Complex and Crustacean Hyperglycemic Hormone (CHH) Family
Official PYQ Papers
Previous Year Papers of Fish Physiology and Biochemistry
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