Matrices and determinants; Systems of linear equations; Eigen values and Eigen vectors.
Multivariable calculus (limits, continuity, and differentiability); Partial derivatives, maxima and minima; Sequences and series; Test for convergence.
Multivariable calculus: Gradient, divergence, and curl (for applications in fluid mechanics, transport processes, etc.).
Linear and nonlinear first order ODEs, higher order ODEs with constant coefficients; Cauchy's and Euler's equations; Laplace transforms.
Mean, median, mode and standard deviation; Random variables; Poisson, normal and binomial distributions; Correlation and regression analysis; Bayesian Statistics.
Solution of linear and nonlinear algebraic equations; Integration by trapezoidal and Simpson's rule; Single step method for differential equations.
Engineering Mathematics forms an important foundation for the GATE Biotechnology examination. Focus on conceptual understanding, regular problem-solving, and previous year GATE questions to strengthen your preparation.
Biomolecules - structure and function; Biological membranes - structure, membrane channels and pumps, molecular motors, action potential and transport processes; Basic concepts and regulation of metabolism of carbohydrates, lipids, amino acids and nucleic acids.
Metabolism: Regulation of metabolism of carbohydrates, lipids, amino acids, and nucleic acids; Detailed pathways like glycolysis, citric acid cycle, and fatty acid oxidation; Photosynthesis, respiration and electron transport chain.
Enzymes - Classification, catalytic and regulatory strategies; Enzyme kinetics - Michaelis-Menten equation; Enzyme inhibition - competitive, non-competitive and uncompetitive inhibition.
History of Microbiology, Bacterial classification and diversity; Bacterial cell wall composition; Gram positive and Gram-negative bacteria; Archea; Methods in microbiology.
Microbial growth and nutrition; Operon - Lac, Trp and Ara operon; Nitrogen fixation; Microbial diseases and host-pathogen interactions.
Antibiotics and antimicrobial resistance; Two-component system (TCS); Bacterial communication; Viruses - structure and classification.
Primary and Secondary lymphoid organs; Innate immunity and Inflammation; Cytokines and Chemokines; Complement system; Effector responses: Cellular and Humoral Immunity.
Molecular basis of Antibody diversity and function; Polyclonal and Monoclonal antibodies; T-cell and B-cell development; Memory responses; Major Histocompatibility Complex (MHC).
Antigen processing and presentation; Regulation of immune responses; Immune tolerance; Hypersensitivity; Autoimmunity and Immunodeficiency; Graft vs Host disease; Immunization and vaccines.
General Biology is one of the most scoring sections in the GATE Biotechnology examination. Focus on understanding biological concepts, metabolic pathways, microbial systems, and immunological mechanisms. Regular revision using diagrams, flowcharts, and previous year GATE questions will improve conceptual clarity and problem-solving ability.
Mendelian inheritance; Gene interaction; Complementation; Linkage, recombination and chromosome mapping; Extra chromosomal inheritance; Microbial genetics – transformation, transduction and conjugation.
Bacterial gene mapping; Horizontal gene transfer and transposable elements; Chromosomal variation; Sex Determination; Genetic disorders; Population genetics.
Epigenetics; Selection and inheritance; Adaptive and neutral evolution; Genetic drift; Species and speciation.
Eukaryotic cell structure; Cell cycle and cell growth control; Cell-cell communication; Cell signalling and signal transduction.
Non-cell autonomous cell signalling; Post-translational modifications; Protein trafficking; Cell death and autophagy; Extra-cellular matrix.
This section forms the foundation of modern biotechnology. Focus on Mendelian genetics, molecular mechanisms of inheritance, chromosome mapping, microbial genetics, evolution, cell signalling, cell cycle regulation, protein trafficking, and previous GATE Biotechnology questions. Understanding concepts with diagrams and flowcharts will greatly improve retention and exam performance.
Rate law; Zero and first order kinetics.
More advanced kinetic models, including Michaelis-Menten kinetics for enzyme reactions.
Inhibition kinetics: Competitive, Non-competitive, and Uncompetitive inhibition in enzyme catalysis.
Ideal reactors – Batch, Mixed flow, and Plug flow reactors.
Enzyme immobilization; Diffusion effects – Thiele modulus, Effectiveness factor, Damkoehler number.
Kinetics of cell growth, substrate utilization, and product formation.
Structured and unstructured models.
Batch, Fed-batch, and Continuous processes.
Microbial reactors and enzyme reactors.
Optimization and scale up.
Design and operation of microbial reactors (e.g., fermentation reactors) and enzyme reactors (e.g., immobilized enzyme systems).
Case studies on the use of microbial reactors in large-scale production (e.g., antibiotics and biofuels).
Media formulation and optimization.
Sterilization of air and media.
Filtration – Membrane filtration, Ultra filtration.
Centrifugation – High speed and Ultra centrifugation.
Cell disruption.
Principles of chromatography: Ion exchange chromatography, Gel filtration chromatography, Hydrophobic interaction chromatography, Affinity chromatography, Gas Chromatography (GC), High Performance Liquid Chromatography (HPLC), Fast Protein Liquid Chromatography (FPLC).
Extraction, Adsorption, and Drying techniques.
Measurement devices.
Valves.
First order and second order systems.
Feedback control and Feed forward control.
Types of controllers: Proportional control, Derivative control, Integral control.
Tuning of controllers.
This section is highly numerical and application-oriented. Focus on reaction kinetics, Michaelis-Menten equations, reactor design (batch, fed-batch, continuous, and plug flow), enzyme immobilization, fermentation technology, chromatography techniques (GC, HPLC, FPLC), filtration, centrifugation, process control systems, and previous GATE Biotechnology numerical problems. Practice reactor calculations and process engineering concepts regularly.
This section focuses on plant biotechnology, animal biotechnology, tissue culture techniques, recombinant organisms, industrial microbiology, and large-scale production of valuable biological products.
Totipotency; Cell fate transition, direct and indirect organogenesis, regeneration of plants; Plant growth regulators and elicitors; Tissue culture and cell suspension culture system – methodology, kinetics of growth and nutrient optimization; Production of secondary metabolites; Hairy root culture; Plant products of industrial importance; Artificial seeds; Somaclonal variation; Protoplast, protoplast fusion – somatic hybrid and cybrid; Transgenic plants – direct and indirect methods of gene transfer techniques; Selection marker and reporter gene; Plastid transformation.
Culture media composition and growth conditions; Animal cell and tissue preservation; Anchorage and non-anchorage dependent cell culture; Kinetics of cell growth; Micro & macro-carrier culture; Hybridoma technology; Stem cell technology; Animal cloning; Transgenic animals; Knock-out and knock-in animals.
Production of biomass and primary/secondary metabolites – Biofuels, bioplastics, industrial enzymes, antibiotics; Large scale production and purification of recombinant proteins and metabolites; Clinical-, food- and industrial-microbiology; Screening strategies for new products.
Understand modern biotechnology applications in plants, animals, and microorganisms, including tissue culture, transgenic organisms, industrial bioprocesses, recombinant protein production, and microbial product development. These concepts are frequently tested in the GATE Biotechnology examination.
Restriction and modification enzymes; Vectors – plasmids, bacteriophage and other viral vectors, cosmids, Ti plasmid, bacterial and yeast artificial chromosomes; Expression vectors; Gene isolation and cloning; Strategies for production of recombinant proteins; Transposons and gene targeting; Recombination-based gene cloning.
Polymerase chain reaction; DNA/RNA labelling; Sanger sequencing; Next generation sequencing; Southern blotting; Northern blotting; In-situ hybridization; DNA fingerprinting; RAPD; RFLP; Site-directed mutagenesis; CRISPR-Cas; Biosensing and biosensors; DNA-protein and protein-protein interaction tools; Genomics and proteomics-based approaches.
Principles of microscopy – Light microscopy, Electron microscopy, Fluorescence microscopy, Confocal microscopy.
Principles of spectroscopy – UV, Visible, Fluorescence, CD, IR, FT-IR, MS, NMR.
Electrophoresis; Micro-arrays; Enzymatic assays; Immunoassays – ELISA, RIA, Immunohistochemistry; Immunoblotting; Flow cytometry; Whole genome sequencing; ChIP sequencing.
Bioinformatics resources and search tools; Sequence and structure databases; Sequence analysis – Sequence file formats, Scoring matrices, Alignment, Phylogeny.
Genomics; Proteomics; Metabolomics; Gene prediction; Functional annotation; Secondary structure prediction; 3D structure prediction.
Knowledge discovery in biochemical databases; Metagenomics; Metabolic engineering; Systems biology.
This is one of the most important sections in the GATE Biotechnology syllabus. Concentrate on recombinant DNA technology, cloning vectors, PCR techniques, sequencing methods, CRISPR-Cas technology, molecular biology tools, chromatography, microscopy, immunological techniques, bioinformatics, genomics, proteomics, and computational biology. Regular practice of previous GATE questions and understanding the principles behind each laboratory technique will significantly improve your performance.