What is the exam mode for GAT-B 2025?

The exam will be conducted in Computer-Based Test (CBT) mode.

What is the exam pattern for GAT-B 2025?

The exam consists of two sections: Section A: 60 compulsory MCQs (10+2 level in Physics, Chemistry, Mathematics, and Biology). Section B: 100 MCQs (graduate-level Biotechnology and Life Sciences), out of which 60 must be attempted. Total Marks: 240 (60 for Section A and 180 for Section B). Duration: 180 minutes (3 hours).

Is there negative marking in GAT-B 2025?

Yes, there is negative marking: Section A: 0.5 marks deducted for each wrong answer. Section B: 1 mark deducted for each wrong answer.

How many questions are there in GAT-B 2025?

Total Questions: 160 (60 in Section A + 100 in Section B). Questions to Attempt: 120 (60 in Section A + 60 in Section B).

What is the marking scheme for GAT-B 2025?

Section A: 1 mark per correct answer. Section B: 3 marks per correct answer.

GAT B Syllabus 2025, Check Section-wise Syllabus & Pattern Here

Q: What is GAT-B 2025?

GAT-B (Graduate Aptitude Test – Biotechnology) is a national-level entrance exam conducted for admission to the DBT-supported Post Graduate (DBT PG) Programme in Biotechnology at participating institutions and universities.

Table of Contents

The Graduate Aptitude Test – Biotechnology (GAT-B) is a national-level entrance examination conducted for admission to the DBT-supported Post Graduate (DBT PG) Programme in Biotechnology at participating institutions and universities. The GAT-B 2025 exam is scheduled for 20th April 2025 (Sunday) and will be conducted as a Computer-Based Test (CBT). This article provides a detailed overview of the GAT B Syllabus 2025, exam pattern, and section-wise syllabus to help aspirants prepare effectively.

GAT B Syllabus 2025: Overview

The GAT-B 2025 exam will consist of two sections: Section A and Section B. The question paper will include Multiple Choice Questions (MCQs) with a total duration of 180 minutes (3 hours). Below is a quick overview of the Graduate Aptitude Test Biotechnology 2025 syllabus and exam pattern:

Aspect	Details
Exam Name	GAT Biotechnology 2025
Mode of Examination	Computer-Based Test (CBT)
Pattern of Examination	Multiple Choice Questions (MCQs)
Duration	180 minutes (3 hours)
Date of Examination	20th April 2025 (Sunday)
Timing	10:00 AM to 01:00 PM
Total Marks	240
Total Questions	160 (60 in Section A + 100 in Section B)
Questions to Attempt	120 (60 in Section A + 60 in Section B)

GAT B Exam Pattern 2025

The Graduate Aptitude Test – Biotechnology (GAT-B) 2025 is a national-level entrance exam designed for admission to the DBT-supported Post Graduate (DBT PG) Programme in Biotechnology. The exam is conducted as a Computer-Based Test (CBT) and consists of Multiple Choice Questions (MCQs). The total duration of the exam is 180 minutes (3 hours), and it is divided into two sections: Section A and Section B. In the Graduate Aptitude Test Biotechnology 2025 exam, unattempted questions will neither be awarded nor deducted any marks, ensuring no penalty for leaving questions unanswered.

GAT Biotechnology Section-wise Exam Pattern

Section	Number of Questions	Questions to Attempt	Level	Marks per Question	Negative Marking	Total Marks
Section A	60	60 (all compulsory)	10+2 level (Physics, Chemistry, Mathematics, Biology)	1	0.5 marks deducted for each wrong answer	60
Section B	100	60 (out of 100)	Graduate level (Basic Biology, Life Sciences, Biotechnology, and allied areas)	3	1 mark deducted for each wrong answer	180

Download Link for GAT B Syllabus 2025 PDF

The direct Link to Downlaod GAT B Syllabus 2025 PDF has been provided below. NTA has released the official Syllabus PDF for both Section A and B in PDF Format. The Graduate Aptitude Test Biotechnology Syllabus link has been provided below for east access.

Download Link for GAT B Syllabus 2025 PDF

GAT Biotechnology Syllabus for Section A

Section A of the GAT-B 2025 exam focuses on testing candidates knowledge at the 10+2 level in four core subjects: Physics, Chemistry, Mathematics, and Biology. This section consists of 60 compulsory multiple-choice questions, with each correct answer carrying 1 mark. However, there is a negative marking of 0.5 marks for each incorrect answer. The Graduate Aptitude Test Biotechnology syllabus for Section A is designed to assess the foundational understanding of these subjects, which are essential for pursuing advanced studies in biotechnology.

Subject	Key Topics
Physics	Units and Measurements: Understanding fundamental units and dimensional analysis. Motion in a Straight Line: Concepts of speed, velocity, and acceleration. Work, Energy, and Power: Principles of energy conservation and power calculations. Gravitation: Newton’s law of gravitation and its applications. Thermodynamics: Laws of thermodynamics and their implications. Waves and Oscillations: Properties of waves and oscillatory motion. Optics: Reflection, refraction, and lens formulas.
Chemistry	Atomic Structure: Structure of atoms, electronic configuration, and periodic table trends. Chemical Bonding: Ionic, covalent, and metallic bonds. States of Matter: Properties of solids, liquids, and gases. Thermodynamics: Concepts of enthalpy, entropy, and Gibbs free energy. Equilibrium: Chemical equilibrium and Le Chatelier’s principle. Redox Reactions: Oxidation-reduction reactions and balancing equations. Organic Chemistry Basics: Introduction to hydrocarbons and functional groups.
Mathematics	Sets and Functions: Basic concepts of sets, relations, and functions. Algebra: Quadratic equations, sequences, and series. Coordinate Geometry: Straight lines, circles, and conic sections. Calculus: Limits, derivatives, and integrals. Probability: Basic probability concepts and distributions.
Biology	Diversity in Living Organisms: Classification of plants and animals. Cell Structure and Function: Cell organelles and their functions. Genetics and Evolution: Mendelian genetics and Darwin’s theory of evolution. Human Physiology: Functions of the nervous, circulatory, and digestive systems. Plant Physiology: Photosynthesis, respiration, and plant growth. Ecology and Environment: Ecosystems, biodiversity, and environmental issues.

GAT Biotechnology Syllabus for Section B

Section B of the GAT-B 2025 exam focuses on graduate-level topics in Biotechnology, Life Sciences, and allied areas. This section consists of 100 questions, out of which candidates must attempt 60 questions. Each correct answer carries 3 marks, with a negative marking of 1 mark for incorrect answers. The Graduate Aptitude Test Biotechnology syllabus for Section B is designed to test candidates’ analytical thinking, problem-solving skills, and in-depth understanding of advanced biotechnology concepts. Below is a concise breakdown of the GAT Biotechnology Syllabus for Section B in table format:

Topic	Key Subtopics
Biomolecules	Structure and functions of biomolecules; biological membranes, action potential, and transport processes.
Enzymes	Classification, kinetics, and mechanism of action.
Metabolism	Basic concepts and designs of metabolism (carbohydrates, lipids, amino acids, nucleic acids); photosynthesis, respiration, and electron transport chain; bioenergetics.
Microbiology	Virus structure and classification; microbial classification and diversity; microbial growth, nutrition, and respiration; nitrogen fixation; microbial diseases and host-pathogen interaction.
Cell Biology	Prokaryotic and eukaryotic cell structure; cell cycle, growth control, cell-cell communication, signaling, and signal transduction.
Genetics	Molecular structure of genes and chromosomes; mutations; nucleic acid replication, transcription, translation; Mendelian inheritance; gene interaction; horizontal gene transfer; RNA interference; DNA damage and repair; chromosomal variation; genetic diseases.
Molecular Techniques	Principles of microscopy, centrifugation, spectroscopy, chromatography, electrophoresis, and microarray.
Immunology	Innate, humoral, and cell-mediated immunity; antigen-antibody reactions; MHC; antigen processing and presentation; immune tolerance; hypersensitivity; autoimmunity.
Bioinformatics	Sequence and structure databases; sequence alignment; phylogeny; data mining; molecular dynamics and simulations.
Recombinant DNA Technology	Restriction enzymes; vectors; gene cloning and expression; DNA sequencing; PCR; DNA fingerprinting; gene therapy.
Plant Biotechnology	Plant tissue culture; transgenic plants; plant products of industrial importance; in vitro germplasm conservation.
Animal Biotechnology	Animal cell culture; hybridoma technology; stem cell technology; transgenic animals; animal cloning.
Bioprocess Engineering	Principles of bioreactor design; mass and heat transfer; sterilization; batch, fed-batch, and continuous processes; process scale-up.
Industrial Biotechnology	Production of biofuels, bioplastics, industrial enzymes, antibiotics; large-scale purification of recombinant proteins; bioremediation.