GATE Microbiology Syllabus 2026 (Out) - Download Topics Wise Syllabus PDF

GATE Microbiology Syllabus 2026 (Out) - Download Topics Wise Syllabus PDF

RanjeetaUpdated on 11 Dec 2025, 03:09 PM IST

GATE 2026 Microbiology Syllabus (XL-S): IIT Guwahati has released the GATE syllabus for Microbiology 2026 (XL-S) on the official website, gate2026.iitg.ac.in. The syllabus includes all the topics on which the XL- S paper will be based on. Aspirants must follow the GATE 2026 exam pattern along with the syllabus to effectively develop their preparation strategy. The authority will conduct the GATE entrance exam in online mode. The GATE 2026 syllabus Microbiology syllabus PDF download direct link is provided here. The authority will conduct the GATE 2026 exam on February 7, 8, 14, and 15, 2026. Candidates can check the IIT GATE 2026 syllabus for Microbiology on this page.
Direct link for the GATE 2026 Microbiology syllabus

This Story also Contains

  1. GATE Microbiology Syllabus 2026 (XL-S)
  2. GATE Microbiology Exam Pattern 2026
  3. GATE Preparation Tips 2026
GATE Microbiology Syllabus 2026 (Out) - Download Topics Wise Syllabus PDF
GATE 2026 Microbiology Syllabus

GATE Microbiology Syllabus 2026 (XL-S)

The Indian Institute of Technology Guwahati has released the GATE 2026 Microbiology syllabus (XL-S) on the official website. The GATE Microbiology syllabus 2026 covers topics such as Historical Perspective, Methods in Microbiology, Microbial Growth, Control of Micro-organisms, Chemotherapy/Antibiotics and more. The detailed syllabus for GATE Microbiology is provided below.

GATE Syllabus for Microbiology 2026

Syllabus

Topics

GATE Microbiology Syllabus for Historical Perspective


  • Discovery of microbial world

  • Landmark discoveries relevant to the field of microbiology

  • Controversy over spontaneous generation

  • Role of microorganisms in the transformation of organic matter and the causation of diseases.

GATE Microbiology syllabus for Methods in Microbiology


  • Pure culture technique

  • Principles of microbial nutrition

  • Enrichment culture techniques for isolation of microorganisms

  • Antigen and antibody detection methods for microbial diagnosis

  • Light-, phase contrast-, fluorescence- and electron-microscopy

  • PCR, real-time PCR for quantitation of microbes

  • Next generation sequencing technologies in microbiology

GATE Microbiology Syllabus 2026 for Microbial Taxonomy and Diversity

  • Bacteria

  • Archea and their broad classification

  • Eukaryotic microbes: Yeasts, molds and protozoa

  • Viruses and their classification

  • Molecular approaches to microbial taxonomy and phylogeny

GATE Microbiology Syllabus for Prokaryotic Cells: Structure and Function

  • Cell walls, cell membranes and their biosynthesis

  • Mechanisms of solute transport across membranes

  • Flagella and Pili

  • Capsules

  • Cell inclusions like endospores and gas vesicles

  • Bacterial locomotion

  • Including positive and negative chemotaxis

GATE Microbiology Syllabus Microbial Growth

  • Definition of growth

  • Growth curve

  • Mathematical expression of the exponential growth phase

  • Measurement of growth and growth yields

  • Synchronous growth

  • Continuous culture

  • Effect of environmental factors on growth

  • Bacterial biofilm and biofouling

GATE Microbiology syllabus for Control of Micro-organisms


Disinfection and Sterilization: Principles, methods and assessment of efficacy.

GATE Microbiology syllabus for Microbial Metabolism

  • Energetics: redox reactions and electron carriers

  • Electron transport and oxidative phosphorylation

  • An overview of metabolism

  • Glycolysis

  • Pentose-phosphate pathway

  • EntnerDoudoroff pathway

  • Glyoxalate pathway

  • The citric acid cycle

  • Fermentation

  • Aerobic and anaerobic respiration

  • Chemolithotrophy

  • Photosynthesis

  • Calvin cycle

  • Biosynthetic pathway for fatty acids synthesis

  • Common regulatory mechanisms in synthesis of amino acids

  • Regulation of major metabolic pathways

GATE Microbiology syllabus for Microbial Diseases and Host Pathogen Interaction

  • Normal microbiota

  • Classification of infectious diseases

  • Reservoirs of infection

  • Nosocomial infection

  • Opportunistic infections

  • Emerging infectious diseases

  • Mechanism of microbial pathogenicity

  • Nonspecific defense of host

  • Antigens and antibodies

  • Humoral and cell-mediated immunity

  • Vaccines

  • Passive immunization

  • Immune deficiency

  • Human diseases caused by viruses, bacteria, and pathogenic fungi

GATE Microbiology syllabus for Chemotherapy/Antibiotics

  • Normal microbiota

  • Classification of infectious diseases

  • Reservoirs of infection

  • Nosocomial infection

  • Opportunistic infections

  • Emerging infectious diseases

  • Mechanism of microbial pathogenicity

  • Nonspecific defense of host

  • Antigens and antibodies

  • Humoral and cell-mediated immunity

  • Vaccines

  • Passive immunization

  • Immune deficiency

  • Human diseases caused by viruses, bacteria, and pathogenic fungi

GATE Microbiology syllabus for Microbial Genetics

  • Types of mutation

  • UV and chemical mutagens

  • Selection of mutants

  • Ames test for mutagenesis

  • Bacterial genetic system: transformation, conjugation, transduction, recombination, plasmids, transposons

  • DNA repair

  • Regulation of gene expression: repression and induction; Operon model; Bacterial genome with special reference to E.coli; Phage λ and its life cycle; RNA;

  • Mutation in virus genomes, virus recombination and reassortment; Basic concept of microbial genomic

GATE Microbiology syllabus for Microbial Ecology

  • Microbial interactions

  • Carbon, sulphur and nitrogen cycles

  • Soil microorganisms associated with vascular plants

  • Bioremediation

  • Uncultivable microorganisms

  • Basic concept of metagenomics and metatranscriptomics

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GATE Microbiology Exam Pattern 2026

The authority has released the GATE 2026 exam pattern for Microbiology on the official website. Candidates must familiarize themselves with the GATE Microbiology syllabus and exam pattern. It will include details such as the marking scheme, types of questions, exam duration, mark distribution, and more.

GATE 2026 Microbiology Exam Pattern

ParticularsPattern

Mode of exam

Computer Based Test (CBT)

Test Duration

3 hours

Sections

General Aptitude (GA), Candidates Selected Subjects, Compulsory Subject

Types of questions

Multiple Choice Questions (MCQs)

Multiple Select Questions (MSQs)

Numerical Answer Type (NAT)

Distribution of Marks

General Aptitude - 15 marks

Compulsory Section - 25 marks

Subject marks - 60 marks

Total Marks

100 marks

Marking Scheme

  • 19 questions carrying a total of 30 marks
  • 8 questions carrying 1 mark each
  • 11 questions carrying 2 marks each

Negative Marking

  • For a 1 mark MCQ, 1/3 mark will be deducted for a wrong answer.

  • For a 2-mark MCQ, 2/3 mark will be deducted for a wrong answer.

Related links:

GATE Previous Year Question Paper's
Download GATE previous year question papers to understand exam pattern and difficulty level. Practice with these papers to boost your preparation and improve your score.
Check Now

GATE Preparation Tips 2026

Candidates can follow the following preparation tips for planning the preparation for the GATE Microbiology syllabus.

  • Get familiar with the GATE Microbiology syllabus and paper pattern

  • Create a proper study timetable distributing equal time for all topics.

  • Gather resources such as study materials, previous question papers, and books

  • Make handy notes for formulas

  • Regular revision is important

  • Attempt the GATE mock test

  • Solve previous year question paper

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Frequently Asked Questions (FAQs)

Q: Is the GATE 2026 syllabus released?
A:

Yes, the GATE syllabus 2026 has been released on the official website.

Q: Can a zoology student give a GATE exam?
A:

Yes, Candidates can apply for the GATE Zoology exam on the official website.

Q: How can I check GATE Life Science Syllabus 2026?
A:

Candidates can check the GATE 2026 Life Science Syllabus on the official website.

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