GATE Zoology Syllabus 2027: IIT Madras will release GATE 2027 syllabus for Zoology on the official website. Candidates can check the detailed GATE Zoology 2027 syllabus on this page. The zoology paper is a part of the GATE Life Sciences (XL) 2027 paper. The Zoology syllabus for the GATE 2027 is divided into 11 major sections, namely, Animal Diversity, Evolution, Genetics, Biochemistry and Molecular Biology, Cell Biology, etc. Students who are applying for the GATE exam can download the free syllabus PDF on the official website. The GATE 2026 exam will be conducted on February 7, 8, 14 and 15, 2026. The GATE XL is scheduled for February 07, 2026.
GATE Zoology Syllabus PDF Download Link
This Story also Contains
The GATE Zoology exam code is XL-T. Candidates attempting the zoology paper must also be aware of the GATE 2027 exam pattern. The GATE Zoology syllabus 2027 is designed to assess the comprehensive understanding of students in the field of zoological sciences. Students planning to apply for the GATE 2026 exam can read the complete article carefully to get a vivid idea about the exam pattern, GATE syllabus Zoology pdf 2027 download, and more.
| Sections | Study Areas |
|---|---|
Animal Diversity | Distribution, systematics and classification of animals, phylogenetic relationships |
Origin and history of life on earth, theories of evolution, natural selection, adaptation, speciation | |
Basic Principles of inheritance, the molecular basis of heredity, sex determination, and sex-linked characteristics, cytoplasmic inheritance, linkage, recombination, and mapping of genes in eukaryotes, population genetics, genetic disorders, roles of model organisms in understanding genetic principles | |
Biochemistry and Molecular Biology | Nucleic acids, proteins, lipids and carbohydrates; replication, transcription & translation, Krebs cycle, glycolysis, enzyme catalysis, hormones and their actions, roles of vitamins and minerals |
Cell Biology | Basic principles of cellular microscopy, structure of cell, cytoskeletal organization, cellular organelles and their structure and function, cell cycle, cell division, chromosomes, and chromatin structure |
Gene expression in Eukaryotes | Eukaryotic genome organization and regulation of gene expression, transposable elements |
Animal Anatomy and Physiology | Comparative physiology, the respiratory system, the Muscular system, circulatory system, digestive system, the nervous system, the excretory system, the endocrine system, the reproductive system, |
Parasitology and Immunology | Nature of parasite, host-parasite relation, protozoan and helminthic parasites, the immune response, cellular and humoral immune response |
Development Biology | Gametogenesis, Embryonic development, cellular differentiation, organogenesis, metamorphosis, Model organisms used in developmental biology, genetic and molecular basis of development, stem cells |
Ecology | The ecosystem, Animal distribution, ecological niche and its contribution to ecological diversity, the food chain, population dynamics, species diversity, zoogeography, biogeochemical cycles, conservation biology, ecotoxicology |
Animal Behaviour | Type of behaviours, courtship, mating and territoriality, instinct, learning and memory, social behaviour across the animal taxa, communication, pheromones, evolution of behaviour in animals |
The exam pattern for GATE Zoology 2027 consists of the total number of questions and the marks per question in the exam. It also includes the marks for correct and incorrect responses. The GATE exam will be conducted in 30 major Papers. The overall GATE test duration is 3 hours. GATE is a Computer Test conducted online in two sections: General Aptitude (GA) and Candidate-selected Subject. The total score for the test is 100 marks, and all of the questions will be worth 1 or 2 marks.
| Particulars | Details |
|---|---|
Examination Mode | Computer-Based Test (Online) |
Duration | 3 Hours |
Type of Questions |
|
Design of Questions | The questions are designed to test the listed abilities
|
Number of Questions | 65 Questions (including 10 questions from General Aptitude) |
Distribution of Questions in Zoology |
|
Total Marks | 100 Marks |
Marking Scheme | All of the questions will be worth 1 or 2 marks |
GATE Negative Marking | Two types of MCQs:
|
Also Read: GATE Question Paper
Here’s a list of some popular preparation books for GATE 2027. Students can easily purchase these materials on online platforms.
Book Name | Publication |
|---|---|
GKP GATE 2025 : Life Science - Zoology - Guide(Includes Solved papers of 2016-2024) | GK Publications |
GATE 2024: Life Science - Zoology - Guide by Dr. Prabhanshu Kumar Er. Preeti Tripathi | GK Publications |
Gate Life Science Zoology [XL-T] Question Answer Book 4000+ MCQ As Per Updated | Diwakar Education Hub |
Gkp Gate 2025: Life Science - Zoology - Guide includes Solved Papers Of 2016-2024 | GK Publications |
Frequently Asked Questions (FAQs)
No, IIT Madras will release the GATE 2027 syllabus in August 2026.
You can start your GATE 2027 preparation immediately to get a good GATE score. However, students are recommended to dedicate at least 500 hours to practice, revision, and test series to increase their expected scores.
The syllabus of GATE Life Sciences comprises various topics such as XL - U Food Technology, XL - P Chemistry, XL - Q Biochemistry, XL - R Botany, XL - S Microbiology, and XL - T Zoology.
Yes, a zoology student can do a GATE exam. However, the candidate must complete their 3rd year of a Bachelor's degree in Life Sciences or a related field to fulfill the academic requirement of the test.
On Question asked by student community
Hello Student,
A two year gap after b tech is not automatically affect your career negatively, especially if you have used this time productively to prepare for GATE. Many students take one or two years to prepare for competition examinations, and employers or University generally understand this provided you can
Yes, you can apply for GATE if you satisfy the eligibility criteria prescribed for the examination. GATE is open to eligible Indian and foreign nationals from approved countries. Since you are currently studying in India, your nationality alone does not automatically make you ineligible. It is advisable to check the
Hello Dear Student,
The GATE cutoff varies widely by subject paper and candidate category (General, OBC, SC/ST). For instance, the general category qualifying mark for Computer Science (CSE) was 27.6 in 2025 and 25.0 in 2024, while Mechanical Engineering (ME) was 35.8 in 2025.
You can get directly find, check,
Hello Student,
The topic wise mark distribution for GATE 2027 has not been officially released. GATE does not prescript fixed marks for each topic. The weightage varies every year independence on the question paper.
Please mention your GATE paper/branch (such as CSE, ECE, EE, ME, CE, DA, etc.), and we
Hello Dear Student,
Yes, you can appear for the GATE Mechanical Engineering (ME) paper even if you have a B.E./B.Tech in Aeronautical Engineering , provided you meet the GATE eligibility criteria.
However, qualifying GATE ME does not automatically make you eligible for PSU jobs .
Among top 100 Universities Globally in the Times Higher Education (THE) Interdisciplinary Science Rankings 2026
Recognized as Category-1 Deemed to be University by UGC | 41,000 + Alumni Imprints Globally | Students from over 20+ countries
NAAC A+ Accredited | Among top 2% Universities Globally (QS World University Rankings 2026)
NAAC A+ Accredited | Highest CTC 45 LPA | Scholarships Available
Campuses in Ropar, Agartala, Aizawl, Ajmer, Aurangabad, Calicut, Imphal, Itanagar, Kohima, Gorakhpur, Patna & Srinagar
100+ Recruiters | 100+ Placements of 2026 Batch | NBA & NAAC Accredited | Highest CTC 37 LPA