Q.1
Biochemistry- ICAR JRF/SRF 2024 (Q.54)
MCQ (Single Correct) +4 −1
How many sister chromatids are in the rice (Oryza sativa) plant cell entering the first meiotic division?

Biochemistry Subjects

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General Agriculture

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

Basic Biochemistry and Biomolecules

3 Topics
Amino Acids, Peptides, and Proteins: Structure, Classification, and Conformation Carbohydrates and Lipids: Structure, Stereochemistry, and Properties Cell Structure, Biomembranes, and Bioenergetics

Cell Organelles and Water Relations

2 Topics
Plant Cell Architecture, Organelles, Cytoskeleton and Membrane Transport Ascent of Sap, Transpiration, Stomatal Mechanics and Guttation

Cell Structure and Function

1 Topic
Cell Cycle Regulation, Checkpoints, Signal Transduction and Apoptosis Active

Basic Microbiological Techniques

1 Topic
Culture Media Formulations, Pure Culture Isolation, Lyophilization and Preservation

Biomolecules and Metabolism

1 Topic
Amino Acids, Protein Folding, Heat Shock Proteins and Secondary Metabolites

Intermediary Metabolism

3 Topics
Carbohydrate Metabolism: Glycolysis, TCA Cycle, Glyoxylate Pathway, and Gluconeogenesis Oxidative Phosphorylation, Electron Transport Chain, and Metabolic Regulation Lipid Metabolism, Beta-Oxidation, and Ketone Bodies

Enzymes, Vitamins and Hormones

2 Topics
Enzyme Catalysis, Kinetics, Allostery, and Mechanisms Coenzymes, Isozymes, and Vitamins

Microbial Physiology

1 Topic
Microbial Secondary Metabolism, Industrial Enzymes, Vitamins and Fermented Foods

Abiotic Stress Responses in Plants

1 Topic
Drought and Water Deficit Stress Physiology and Osmotic Adjustment

Molecular Biology

3 Topics
DNA and RNA Structure, Replication, and Repair Transcription, RNA Processing, and Gene Regulation Genetic Code, Protein Translation, and Post-Translational Modifications

Molecular Genetics

1 Topic
Gene Concept, Split Genes, Overlapping Genes and Operon Regulation

Gene Expression

1 Topic
Central Dogma, DNA Replication Machinery and Replication Origins

Plant Growth Regulators and Plant Development

2 Topics
Auxins and Cytokinins: Biosynthesis, Transport, Signaling and Morphogenesis Abscisic Acid, Ethylene, and Jasmonates: Signaling and Stress Responses

Techniques in Biochemistry

3 Topics
Spectroscopy, Mass Spectrometry, and Radioisotope Techniques Immunological Techniques, Blotting, and Omics Technologies Chromatography and Electrophoresis

Biochemistry of Food-grains, Fruits and Vegetables

2 Topics
Food Grain Composition, Storage Proteins, and Nutritional Quality Biochemistry of Fruit Ripening, Post-Harvest Changes, and Nutraceuticals

Microbial Diversity and Ecology

1 Topic
Wastewater Treatment (Bardenpho Process), Xenobiotics and Pesticide Biodegradation

Mineral Nutrition

1 Topic
Essential Plant Nutrients: Classification, Essentiality Criteria and Biochemical Roles

Molecular Biology Techniques

1 Topic
Electrophoresis, Centrifugation, Chromatography and Protein Estimation

Photosynthesis

3 Topics
Photorespiration and Starch-Sucrose Partitioning Carbon Fixation: C3 Cycle, C4 Pathway, and CAM Light Reactions, Photosystems, and Photophosphorylation

Molecular Biology

1 Topic
DNA Repair Pathways, Ribosomes and Catalytic RNAs (Ribozymes)

Plant Metabolic Processes

3 Topics
Mineral Nutrition, Nitrogen Fixation, and Assimilation Sulphur Metabolism and Secondary Plant Metabolites Cell Cycle Regulation and Cellular Stress Physiology

Seed Physiology

2 Topics
Seed Development, Reserve Mobilization, and Desiccation Tolerance Seed Germination, Seed Vigour and Physiological Seed Dormancy

Physiology of Flowering and Reproduction

1 Topic
Photoperiodism, Phytochromes and Floral Induction (Florigen)

Plant Molecular Biology

3 Topics
Molecular Markers and Mapping Populations Plant Gene Expression and Functional Genomics Plant Genome Organization, Organellar DNA, and Cytoplasmic Male Sterility

Plant Biotechnology / Genetic Engineering

3 Topics
Recombinant DNA Technology, Cloning Vectors, and Enzymes Plant Genetic Transformation, Transgenics, and Genome Editing Plant Tissue Culture, Micropropagation, and In Vitro Morphogenesis

Tissue Culture

1 Topic
Haploids, Embryo Rescue, Protoplast Fusion and Germplasm Repositories

Plant Genetic Engineering

2 Topics
Plant Transformation Systems: Agrobacterium T-DNA and Direct Gene Delivery Transgenic Crop Technologies, Biofortification and Trait Engineering

Molecular Markers and Genomics

1 Topic
Molecular Marker Systems, Genetic Diversity and Mapping Populations
Official PYQ Papers

Previous Year Papers of Biochemistry

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10 Major Agriculture Exams Available

RPSC Agriculture Exams

5 Exams
Food Safety Officer Assistant Agriculture Officer Agriculture Officer RPSC Agriculture Research Officer RPSC AARO

RSSB Agriculture Exams

1 Exam
RSSB Agriculture Supervisor

National & PG Entrances

4 Exams
ICAR AIEEA PG CUET UG Rajasthan Agriculture Pre-PG ICAR JRF/SRF