Microbiology

General Agriculture

21 Questions 17.5% Exam Weightage

Agronomy, Tillage & Field Crop Production

All PYQs 5 questions 4.17% weightage

Cell Biology, Plant Physiology & Biochemistry

All PYQs 5 questions 4.17% weightage

Agricultural Entomology, Nematology & Crop Protection

All PYQs 4 questions 3.33% weightage

Agricultural Meteorology & Climate Science

All PYQs 3 questions 2.50% weightage

Soil Science, Plant Nutrition & Reclamation

All PYQs 3 questions 2.50% weightage

Crop Genetics, Plant Breeding & IPR

All PYQs 1 questions 0.83% weightage

Basic Biochemistry and Biomolecules

8 Questions 6.7% Exam Weightage

Amino Acids, Peptides, and Proteins: Structure, Classification, and Conformation

All PYQs 4 questions 3.33% weightage

Cell Structure, Biomembranes, and Bioenergetics

All PYQs 2 questions 1.67% weightage

Carbohydrates and Lipids: Structure, Stereochemistry, and Properties

All PYQs 2 questions 1.67% weightage

Cell Organelles and Water Relations

3 Questions 2.5% Exam Weightage

Plant Cell Architecture, Organelles, Cytoskeleton and Membrane Transport

All PYQs 2 questions 1.67% weightage

Ascent of Sap, Transpiration, Stomatal Mechanics and Guttation

All PYQs 1 questions 0.83% weightage

Cell Structure and Function

2 Questions 1.7% Exam Weightage

Prokaryotic and Eukaryotic Cell Architecture, Organelles and Subcellular Fractionation

All PYQs 1 questions 0.83% weightage

Cell Cycle Regulation, Checkpoints, Signal Transduction and Apoptosis

All PYQs 1 questions 0.83% weightage

History of Microbial World

3 Questions 2.5% Exam Weightage

Historical Milestones, Spontaneous Generation, Germ Theory and Vaccine Development

All PYQs 1 questions 0.83% weightage

Soil Microbiology Pioneers: Winogradsky, Beijerinck and Nitrogen Fixation Discovery

All PYQs 1 questions 0.83% weightage

Microbial Taxonomy, Bergey's Manual Systems and Cyanobacterial Classification

All PYQs 1 questions 0.83% weightage

Basic Microbiological Techniques

6 Questions 5% Exam Weightage

Antimicrobial Susceptibility Testing, Disc Diffusion, MIC and Antibiotic Assays

All PYQs 2 questions 1.67% weightage

Food Safety Systems, HACCP Principles, Milk Quality and Microbial Standards

All PYQs 2 questions 1.67% weightage

Culture Media Formulations, Pure Culture Isolation, Lyophilization and Preservation

All PYQs 1 questions 0.83% weightage

Fermentation Technologies, Bioreactor Kinetics, Scale-Up and Aeration (OTR)

All PYQs 1 questions 0.83% weightage

Biomolecules and Metabolism

2 Questions 1.7% Exam Weightage

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

All PYQs 2 questions 1.67% weightage

Intermediary Metabolism

2 Questions 1.7% Exam Weightage

Carbohydrate Metabolism: Glycolysis, TCA Cycle, Glyoxylate Pathway, and Gluconeogenesis

All PYQs 1 questions 0.83% weightage

Lipid Metabolism, Beta-Oxidation, and Ketone Bodies

All PYQs 1 questions 0.83% weightage

Metabolic Processes and Growth Regulation

3 Questions 2.5% Exam Weightage

Nitrogen, Sulfur, and Lipid Metabolism and Assimilation

All PYQs 2 questions 1.67% weightage

Plant Respiration, Glycolysis, TCA Cycle, and Alternative Oxidase

All PYQs 1 questions 0.83% weightage

Enzymes, Vitamins and Hormones

2 Questions 1.7% Exam Weightage

Coenzymes, Isozymes, and Vitamins

All PYQs 2 questions 1.67% weightage

Enzymology

2 Questions 1.7% Exam Weightage

Enzyme Classification, Kinetics, Inhibition and Allostery

All PYQs 2 questions 1.67% weightage

Microbial Physiology

14 Questions 11.7% Exam Weightage

Microbial Secondary Metabolism, Industrial Enzymes, Vitamins and Fermented Foods

All PYQs 7 questions 5.83% weightage

Bacterial Motility Systems: Flagellar Mechanics, Type IV Pili and Chemotaxis

All PYQs 2 questions 1.67% weightage

Chemolithotrophy, Iron/Sulfur Oxidation and Archaeal Retinal Proteins

All PYQs 2 questions 1.67% weightage

Bacterial Cell Envelope: Peptidoglycan, Gram-Negative Outer Membrane and LPS

All PYQs 1 questions 0.83% weightage

Bacterial Endospores: Sporulation Stages, Dipicolinic Acid, SASPs and Heat Resistance

All PYQs 1 questions 0.83% weightage

Nitrogen Fixation Biochemistry: Nitrogenase Isoforms (Mo/V/Fe) and Regulation

All PYQs 1 questions 0.83% weightage

Abiotic Stress Responses in Plants

1 Question 0.8% Exam Weightage

Drought and Water Deficit Stress Physiology and Osmotic Adjustment

All PYQs 1 questions 0.83% weightage

Microbial Genetics

5 Questions 4.2% Exam Weightage

Bacterial Replication Timing, Plasmids, Incompatibilities and Shuttle Vectors

All PYQs 2 questions 1.67% weightage

Chemical Mutagenesis, Base Analogs, Deamination and Alkylating Agents

All PYQs 1 questions 0.83% weightage

Two-Component Regulatory Systems, Osmoregulation and Catabolite Control

All PYQs 1 questions 0.83% weightage

Bacteriophage Biology, Transpositional Phage Mu and Phage Genetics

All PYQs 1 questions 0.83% weightage

Molecular Biology

1 Question 0.8% Exam Weightage

DNA and RNA Structure, Replication, and Repair

All PYQs 1 questions 0.83% weightage

Molecular Genetics

1 Question 0.8% Exam Weightage

Gene Concept, Split Genes, Overlapping Genes and Operon Regulation

All PYQs 1 questions 0.83% weightage

Gene Expression

1 Question 0.8% Exam Weightage

Central Dogma, DNA Replication Machinery and Replication Origins

All PYQs 1 questions 0.83% weightage

Plant Growth Regulators and Plant Development

2 Questions 1.7% Exam Weightage

Auxins and Cytokinins: Biosynthesis, Transport, Signaling and Morphogenesis

All PYQs 1 questions 0.83% weightage

Abscisic Acid, Ethylene, and Jasmonates: Signaling and Stress Responses

All PYQs 1 questions 0.83% weightage

Soil Microbiology

6 Questions 5% Exam Weightage

Symbiotic Associations: Mycorrhizae (VAM/Ecto), Rhizobia and Endophytic Diazotrophs

All PYQs 2 questions 1.67% weightage

Soil Microbial Biomass, Soil Health Indicators and Microbial Respiration

All PYQs 1 questions 0.83% weightage

Carbon Biogeochemistry, Cellulose Digestion and Lignin Decomposition

All PYQs 1 questions 0.83% weightage

Soil Nitrogen Transformations: Mineralization, Nitrification and Eukaryotic Denitrification

All PYQs 1 questions 0.83% weightage

Soil Sulfur and Phosphorus Dynamics: Mineralization, Oxidation and Solubilization

All PYQs 1 questions 0.83% weightage

Techniques in Biochemistry

6 Questions 5% Exam Weightage

Spectroscopy, Mass Spectrometry, and Radioisotope Techniques

All PYQs 6 questions 5.00% weightage

Microbial Diversity and Ecology

11 Questions 9.2% Exam Weightage

Wastewater Treatment (Bardenpho Process), Xenobiotics and Pesticide Biodegradation

All PYQs 4 questions 3.33% weightage

Molecular Microbial Ecology: Metatranscriptomics, GeoChip and Molecular Phylogenetics

All PYQs 4 questions 3.33% weightage

Biomining, Bioleaching of Sulfide/Gold Ores and Acid Mine Drainage

All PYQs 2 questions 1.67% weightage

Microbial Interspecies Interactions: Mutualism, Commensalism, Predation and Amensalism

All PYQs 1 questions 0.83% weightage

Mineral Nutrition

1 Question 0.8% Exam Weightage

Essential Plant Nutrients: Classification, Essentiality Criteria and Biochemical Roles

All PYQs 1 questions 0.83% weightage

Molecular Biology Techniques

3 Questions 2.5% Exam Weightage

DNA Sequencing Technologies, High-Throughput Genomics and Proteomics

All PYQs 2 questions 1.67% weightage

Electrophoresis, Centrifugation, Chromatography and Protein Estimation

All PYQs 1 questions 0.83% weightage

Molecular Biology

1 Question 0.8% Exam Weightage

DNA Repair Pathways, Ribosomes and Catalytic RNAs (Ribozymes)

All PYQs 1 questions 0.83% weightage

Plant Metabolic Processes

2 Questions 1.7% Exam Weightage

Mineral Nutrition, Nitrogen Fixation, and Assimilation

All PYQs 2 questions 1.67% weightage

Seed Physiology

2 Questions 1.7% Exam Weightage

Seed Development, Reserve Mobilization, and Desiccation Tolerance

All PYQs 1 questions 0.83% weightage

Seed Germination, Seed Vigour and Physiological Seed Dormancy

All PYQs 1 questions 0.83% weightage

Physiology of Flowering and Reproduction

1 Question 0.8% Exam Weightage

Photoperiodism, Phytochromes and Floral Induction (Florigen)

All PYQs 1 questions 0.83% weightage

Plant Molecular Biology

1 Question 0.8% Exam Weightage

Plant Genome Organization, Organellar DNA, and Cytoplasmic Male Sterility

All PYQs 1 questions 0.83% weightage

Plant Biotechnology / Genetic Engineering

2 Questions 1.7% Exam Weightage

Recombinant DNA Technology, Cloning Vectors, and Enzymes

All PYQs 1 questions 0.83% weightage

Plant Genetic Transformation, Transgenics, and Genome Editing

All PYQs 1 questions 0.83% weightage

Tissue Culture

1 Question 0.8% Exam Weightage

Haploids, Embryo Rescue, Protoplast Fusion and Germplasm Repositories

All PYQs 1 questions 0.83% weightage

Plant Genetic Engineering

3 Questions 2.5% Exam Weightage

Plant Transformation Systems: Agrobacterium T-DNA and Direct Gene Delivery

All PYQs 2 questions 1.67% weightage

Transgenic Crop Technologies, Biofortification and Trait Engineering

All PYQs 1 questions 0.83% weightage

Molecular Markers and Genomics

1 Question 0.8% Exam Weightage

Molecular Marker Systems, Genetic Diversity and Mapping Populations

All PYQs 1 questions 0.83% weightage