GATE Biotechnology Syllabus 2027: Section-Wise Topics, Exam Pattern and PDF

• Updated on 4 Nov, 2026 by Himanshu Singh

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GATE Biotechnology Syllabus 2027, released by IIT Madras, covers six major sections, including Engineering Mathematics, General Biology, Genetics, Cellular and Molecular Biology, Fundamentals of Biological Engineering, Plant, Animal and Microbial Biotechnology, and Recombinant DNA Technology. Candidates should go through the revised syllabus to understand the topics prescribed for the BT paper.

The syllabus covers a wide range of concepts, from biochemistry, microbiology and immunology to genetic engineering, bioprocessing and bioinformatics. Candidates can refer to the detailed section-wise GATE BT syllabus 2027 below to identify the topics they need to prepare, along with the examination pattern.

Table of Contents

GATE Biotechnology Section-Wise Topics
GATE Biotechnology Exam Pattern
GATE Biotechnology Syllabus 2027 FAQs

GATE Biotechnology Section-Wise Topics

The GATE 2027 Biotechnology syllabus is divided into six sections. Each section covers multiple subjects and topics related to biotechnology and biological sciences. Candidates can check the detailed GATE BT syllabus below.

Section 1: Engineering Mathematics

Engineering Mathematics is an important part of the GATE Biotechnology syllabus. It covers five major topics: Linear Algebra, Calculus, Differential Equations, Probability and Statistics, and Numerical Methods.

Candidates should understand the fundamental concepts and practise numerical problems from each topic.

Topics

Detailed Syllabus

Linear Algebra

Matrices and determinants; systems of linear equations; eigenvalues and eigenvectors.

Calculus

Multivariable calculus, including limits, continuity and differentiability; partial derivatives; maxima and minima; sequences and series; tests for convergence; gradient, divergence and curl, including their applications in fluid mechanics and transport processes.

Differential Equations

Linear and nonlinear first-order ordinary differential equations (ODEs); higher-order ODEs with constant coefficients; Cauchy's and Euler's equations; Laplace transforms.

Probability and Statistics

Mean, median, mode and standard deviation; random variables; Poisson, normal and binomial distributions; correlation and regression analysis; Bayesian statistics.

Numerical Methods

Solutions of linear and nonlinear algebraic equations; integration using the trapezoidal and Simpson's rules; single-step methods for differential equations.

Source: The image has been sourced from the official GATE Biotechnology syllabus.

Section 2: General Biology

The General Biology section of the GATE Biotechnology syllabus includes three major subjects: Biochemistry, Microbiology and Immunology. These subjects cover biological molecules, metabolic processes, microorganisms, immune responses and related concepts. The detailed topics are provided below:

Biochemistry

Biochemistry covers the structure and function of biomolecules, biological membranes, metabolism and enzyme activity. Candidates should prepare the following topics:

Topics

Detailed Syllabus

Biomolecules

Structure and function of biomolecules.

Biological Membranes

Structure of biological membranes; membrane channels and pumps; molecular motors; action potential and transport processes.

Metabolism

Basic concepts and regulation of carbohydrate, lipid, amino acid and nucleic acid metabolism; glycolysis; citric acid cycle; fatty acid oxidation; photosynthesis; respiration and electron transport chain.

Enzymes

Classification of enzymes; catalytic and regulatory strategies; enzyme kinetics; Michaelis-Menten equation.

Enzyme Inhibition

Competitive, noncompetitive and uncompetitive inhibition.

Microbiology

The Microbiology syllabus includes the history and classification of microorganisms, microbial growth, bacterial genetics, microbial diseases and viruses. The detailed topics are:

Topics

Detailed Syllabus

Microbial Classification

History of microbiology; bacterial classification and diversity; bacterial cell wall composition; Gram-positive and Gram-negative bacteria; Archaea.

Methods in Microbiology

Methods used in microbiology; microbial growth and nutrition.

Operons and Nitrogen Fixation

Lac, Trp and Ara operons; nitrogen fixation.

Microbial Diseases

Microbial diseases and host-pathogen interactions.

Antibiotics and Resistance

Antibiotics and antimicrobial resistance.

Bacterial Communication

Two-component system (TCS) and bacterial communication.

Viruses

Structure and classification of viruses.

Immunology

Immunology focuses on the immune system, immune responses, antibodies, immune cells and related disorders. Candidates should cover the following topics:

Topics

Detailed Syllabus

Lymphoid Organs

Primary and secondary lymphoid organs.

Innate Immunity

Innate immunity and inflammation; cytokines and chemokines; complement system.

Immune Responses

Cellular and humoral immunity; regulation of immune responses; memory responses.

Antibodies

Molecular basis of antibody diversity and function; polyclonal and monoclonal antibodies.

Immune Cell Development

T-cell and B-cell development.

Antigen Processing

Major Histocompatibility Complex (MHC); antigen processing and presentation.

Immune Regulation and Disorders

Immune tolerance; hypersensitivity; autoimmunity and immunodeficiency; Graft-versus-Host disease.

Immunization

Immunization and vaccines.

Section 3: Genetics, Cellular and Molecular Biology

This section covers three subjects: Genetics and Evolutionary Biology, Cell Biology, and Molecular Biology. It focuses on inheritance, genetic variation, cell structure, cellular processes and the regulation of gene expression.

Genetics and Evolutionary Biology

The Genetics and Evolutionary Biology syllabus includes Mendelian inheritance, gene interactions, genetic mapping, population genetics and evolutionary processes.

Topics

Detailed Syllabus

Mendelian Genetics

Mendelian inheritance; gene interaction; complementation.

Linkage and Recombination

Linkage, recombination and chromosome mapping; extrachromosomal inheritance.

Microbial Genetics

Transformation, transduction and conjugation; bacterial gene mapping; horizontal gene transfer and transposable elements.

Chromosomal Variation

Chromosomal variation; sex determination; genetic disorders.

Population Genetics

Population genetics; epigenetics; selection and inheritance.

Evolutionary Biology

Adaptive and neutral evolution; genetic drift; species and speciation.

Cell Biology

Cell Biology deals with eukaryotic cell structure, cell growth, communication and other cellular processes. The topics include:

Topics

Detailed Syllabus

Cell Structure

Eukaryotic cell structure.

Cell Cycle and Growth

Cell cycle and cell growth control.

Cell Communication

Cell-cell communication; cell signalling and signal transduction; non-cell-autonomous cell signalling.

Protein Processing

Post-translational modifications and protein trafficking.

Cell Death

Cell death and autophagy.

Extracellular Matrix

Extracellular matrix.

Molecular Biology

The Molecular Biology section covers the molecular structure of genes and chromosomes, DNA and RNA processes, gene expression and DNA repair mechanisms.

Topics

Detailed Syllabus

Genes and Chromosomes

Molecular structure of genes and chromosomes.

Mutations

Mutations and mutagenesis.

Gene Expression

Regulation of gene expression.

Nucleic Acid Processes

DNA replication, transcription, splicing and translation, along with their regulatory mechanisms.

RNA Biology

Non-coding RNA and microRNA; RNA interference.

DNA Repair

DNA damage and repair.

Section 4: Fundamentals of Biological Engineering

The Fundamentals of Biological Engineering section includes Bioreaction Engineering and Upstream and Downstream Processing. These topics cover biological reaction systems, reactor design, process optimisation, separation techniques and process control.

Bioreaction Engineering

Bioreaction Engineering focuses on reaction kinetics, reactor systems, enzyme immobilisation, microbial growth and scale-up processes.

Topics

Detailed Syllabus

Reaction Kinetics

Rate laws; zero-order and first-order kinetics; advanced kinetic models, including Michaelis-Menten kinetics for enzyme reactions.

Enzyme Inhibition Kinetics

Competitive, noncompetitive and uncompetitive inhibition in enzyme catalysis.

Ideal Reactors

Batch, mixed-flow and plug-flow reactors.

Enzyme Immobilisation

Enzyme immobilisation and diffusion effects; Thiele modulus, effectiveness factor and Damköhler number.

Cell Growth Kinetics

Kinetics of cell growth, substrate utilisation and product formation.

Growth Models

Structured and unstructured models.

Bioprocess Operations

Batch, fed-batch and continuous processes.

Microbial and Enzyme Reactors

Microbial and enzyme reactors.

Optimisation and Scale-Up

Optimisation and scale-up; design and operation of microbial reactors, such as fermentation reactors, and enzyme reactors, including immobilised enzyme systems; large-scale microbial reactor applications in the production of antibiotics and biofuels.

Upstream and Downstream Processing

This subsection covers the preparation, processing, separation and purification of biological products. It also includes process control and measurement systems.

Topics

Detailed Syllabus

Media Preparation

Media formulation and optimisation.

Sterilisation

Sterilisation of air and media.

Filtration

Membrane filtration and ultrafiltration.

Centrifugation

High-speed and ultracentrifugation.

Cell Disruption

Methods and principles of cell disruption.

Chromatography

Ion exchange, gel filtration, hydrophobic interaction, affinity chromatography, GC, HPLC and FPLC.

Product Recovery

Extraction, adsorption and drying.

Process Measurement

Measurement devices and valves.

Process Systems

First-order and second-order systems.

Process Control

Feedback and feedforward control; proportional, derivative and integral controllers; tuning of controllers.

Section 5: Plant, Animal and Microbial Biotechnology

The Plant, Animal and Microbial Biotechnology section covers applications of biotechnology in plant systems, animal cell culture and microbial production. It includes tissue culture, transgenic organisms, cell preservation and the industrial production of biological products.

Plant Biotechnology

The Plant Biotechnology syllabus includes plant tissue culture, plant regeneration, genetic transformation and the production of industrially important plant products.

Topics

Detailed Syllabus

Plant Development

Totipotency; cell fate transition; direct and indirect organogenesis; regeneration of plants.

Plant Growth Regulation

Plant growth regulators and elicitors.

Plant Tissue Culture

Tissue culture and cell suspension culture systems; methodology; growth kinetics and nutrient optimisation.

Metabolite Production

Production of secondary metabolites; hairy root culture; plant products of industrial importance.

Artificial Seeds and Variation

Artificial seeds and somaclonal variation.

Protoplast Technology

Protoplasts and protoplast fusion; somatic hybrids and cybrids.

Transgenic Plants

Direct and indirect methods of gene transfer; selection markers and reporter genes; plastid transformation.

Animal Biotechnology

Animal Biotechnology covers animal cell culture, preservation techniques, stem cell technology, hybridoma technology and genetic modification of animals.

Topics

Detailed Syllabus

Animal Cell Culture

Culture media composition and growth conditions.

Cell Preservation

Animal cell and tissue preservation.

Cell Culture Systems

Anchorage-dependent and non-anchorage-dependent cell culture.

Cell Growth

Kinetics of cell growth.

Carrier Culture

Microcarrier and macrocarrier culture.

Hybridoma Technology

Hybridoma technology.

Stem Cell Technology

Stem cell technology.

Animal Cloning

Animal cloning.

Transgenic Animals

Transgenic animals; knockout and knock-in animals.

Microbial Biotechnology

Microbial Biotechnology focuses on the industrial use of microorganisms and the production of commercially important biological products.

Topics

Detailed Syllabus

Biomass and Metabolite Production

Production of biomass and primary and secondary metabolites.

Industrial Products

Biofuels, bioplastics, industrial enzymes and antibiotics.

Recombinant Products

Large-scale production and purification of recombinant proteins and metabolites.

Microbiology Applications

Clinical, food and industrial microbiology.

Product Development

Screening strategies for new products.

Section 6: Recombinant DNA Technology and Other Tools in Biotechnology

The sixth section of the GATE Biotechnology syllabus covers Recombinant DNA Technology, Molecular Tools, Analytical Tools and Computational Tools. It focuses on genetic engineering techniques, laboratory methods, biological data analysis and bioinformatics.

Recombinant DNA Technology

This subsection covers enzymes, vectors, cloning strategies and the production of recombinant proteins.

Topics

Detailed Syllabus

Restriction and Modification Enzymes

Restriction and modification enzymes.

Vectors

Plasmids, bacteriophages and other viral vectors, cosmids, Ti plasmids, bacterial artificial chromosomes and yeast artificial chromosomes.

Expression Vectors

Expression vectors.

DNA Libraries

cDNA and genomic DNA libraries.

Gene Cloning

Gene isolation and cloning; strategies for the production of recombinant proteins.

Gene Targeting

Transposons and gene targeting; recombination-based gene cloning.

Molecular Tools

The Molecular Tools subsection includes techniques used for DNA and RNA analysis, gene editing, sequencing and molecular interactions.

Topics

Detailed Syllabus

PCR

Polymerase chain reaction.

Labelling and Sequencing

DNA and RNA labelling; Sanger sequencing and next-generation sequencing.

Blotting Techniques

Southern and Northern blotting.

Hybridisation

In-situ hybridisation.

DNA Fingerprinting

DNA fingerprinting, RAPD and RFLP.

Genetic Modification

Site-directed mutagenesis and CRISPR-Cas.

Biosensors

Biosensing and biosensors.

Molecular Interactions

DNA-protein and protein-protein interaction tools.

Omics Approaches

Genomics- and proteomics-based approaches.

Analytical Tools

The Analytical Tools section covers microscopy, spectroscopy, electrophoresis, immunoassays and other laboratory techniques used to analyse biological samples.

Topics

Detailed Syllabus

Microscopy

Principles of light, electron, fluorescence and confocal microscopy.

Spectroscopy

Principles of UV, visible, fluorescence, CD, IR, FT-IR, MS and NMR spectroscopy.

Electrophoresis

Electrophoresis techniques.

Microarrays

Microarrays.

Enzymatic Assays

Enzymatic assays.

Immunoassays

ELISA, RIA and immunohistochemistry.

Immunoblotting

Immunoblotting.

Flow Cytometry

Flow cytometry.

Sequencing

Whole-genome and ChIP sequencing.

Computational Tools

Computational Tools focus on bioinformatics, sequence analysis, biological databases, genomics and computational approaches used in biotechnology.

Topics

Detailed Syllabus

Bioinformatics Resources

Bioinformatics resources and search tools.

Biological Databases

Sequence and structure databases.

Sequence Analysis

Sequence file formats, scoring matrices, sequence alignment and phylogeny.

Omics

Genomics, proteomics and metabolomics.

Gene Analysis

Gene prediction and functional annotation.

Structure Prediction

Secondary structure and 3D structure prediction.

Database Analysis

Knowledge discovery in biochemical databases.

Advanced Applications

Metagenomics, metabolic engineering and systems biology.

GATE Biotechnology Exam Pattern

Candidates preparing for GATE 2027 should understand the exam pattern along with the syllabus. The GATE Biotechnology question paper carries 100 marks and is conducted in Computer-Based Test (CBT) mode. The examination duration is three hours.

The paper includes General Aptitude, Engineering Mathematics and subject-specific questions. Candidates can check the marks distribution below.

Sections

Marks

General Aptitude

Engineering Mathematics

Biotechnology Core Subjects

Total

100

GATE Biotechnology Marking Scheme

The GATE BT examination includes both one-mark and two-mark questions. Negative marking applies to incorrect answers in MCQs.

Particulars

Marking Scheme

Correct 1-mark MCQ

+1 mark

Correct 2-mark MCQ

+2 marks

Incorrect 1-mark MCQ

-1/3 mark

Incorrect 2-mark MCQ

-2/3 mark

Incorrect MSQ

No negative marking

Incorrect NAT

No negative marking

Candidates should practise MCQ, MSQ and NAT questions to become familiar with the different question formats. They should also refer to the official GATE 2027 information brochure for examination instructions and the complete marking scheme.

GATE Biotechnology Syllabus 2027 FAQs

How many sections are there in the GATE Biotechnology syllabus 2027?

The GATE Biotechnology syllabus 2027 has six major sections, covering Engineering Mathematics, General Biology, Genetics, Biological Engineering and other biotechnology subjects.

Who released the GATE BT syllabus 2027?

IIT Madras, the organising institute for GATE 2027, has released the Biotechnology syllabus on its official website.

What are the main topics in the GATE Biotechnology syllabus?

The syllabus covers Engineering Mathematics, Biochemistry, Microbiology, Immunology, Genetics, Cell Biology, Biological Engineering and Biotechnology.

Is Engineering Mathematics included in the GATE Biotechnology syllabus?

Yes, Engineering Mathematics is included in the GATE BT syllabus. It covers Linear Algebra, Calculus, Differential Equations, Probability and Statistics, and Numerical Methods.

How many marks are allotted to Engineering Mathematics in GATE BT 2027?

Engineering Mathematics carries 13 marks in the GATE Biotechnology examination.

How many marks does General Aptitude carry in GATE Biotechnology 2027?

General Aptitude carries 15 marks in the GATE Biotechnology examination and is common to all GATE papers.

What is the total marks of the GATE Biotechnology exam?

The GATE Biotechnology examination carries 100 marks, including General Aptitude, Engineering Mathematics and core subject questions.

What is the duration of the GATE BT 2027 examination?

The GATE Biotechnology examination is conducted for three hours in Computer-Based Test mode.

What are the question types in the GATE Biotechnology exam?

The GATE BT question paper includes Multiple Choice Questions (MCQ), Multiple Select Questions (MSQ) and Numerical Answer Type (NAT) questions.

Is there negative marking in the GATE Biotechnology examination?

Yes, negative marking applies to incorrect MCQ responses. There is no negative marking for MSQ and NAT questions.

What topics are included in the GATE Biotechnology Microbiology syllabus?

Microbiology covers bacterial classification, microbial growth, operons, nitrogen fixation, microbial diseases, antimicrobial resistance, bacterial communication and viruses.

Does the GATE BT syllabus include Recombinant DNA Technology?

Yes, it includes restriction enzymes, vectors, DNA libraries, gene cloning, recombinant protein production and other molecular tools.

Where can I download the GATE Biotechnology syllabus PDF?

Candidates can download the official GATE Biotechnology syllabus PDF from the IIT Madras website at gate2027.iitm.ac.in.

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