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    GATE Ecology and Evolution Syllabus 2027 Out - Download EY Syllabus PDF

    GATE Ecology and Evolution Syllabus 2027 Out - Download EY Syllabus PDF

    K Guna SahitiUpdated on 21 Jul 2026, 03:22 PM IST

    GATE Ecology and Evolution Syllabus 2027 - IIT Madras has published the revised GATE Ecology and Evolution 2027 syllabus on the official website, gate2027.iitm.ac.in. Candidates can download the GATE 2027 EY syllabus PDF on this page. It includes Fundamental Concepts, Macroevolution, Molecular Evolution, Phylogenetics, Sensory Ecology, etc. Aspirants must go through the entire syllabus for effective test preparation. Candidates must refer to the GATE syllabus to prepare for the entrance test. The authority will conduct the GATE 2027 exam on February 6, 7, 13, 14, 20 and 21, 2027. The GATE exam will be held in online mode.
    Direct link to download the GATE 2027 Ecology and Evolution Syllabus

    This Story also Contains

    1. GATE 2027 Syllabus Ecology and Evolution (EY)
    2. GATE Ecology and Evolution Important Topics
    3. GATE Ecology and Evolution Syllabus 2027: Best Books to Refer
    4. GATE Exam Pattern for Ecology and Evolution
    GATE Ecology and Evolution Syllabus 2027 Out - Download EY Syllabus PDF
    GATE Ecology and Evolution Syllabus 2027

    GATE 2027 Syllabus Ecology and Evolution (EY)

    The GATE syllabus for ecology and evolution is 85% based on the undergraduate engineering course and the rest 15% is from general aptitude. The GATE EY syllabus 2027 is divided into five main sections as follows

    • Ecology

    • Evolution

    • Mathematics and Quantitative Ecology

    • Behavioral Ecology

    • Applied Ecology and Evolution

    Candidates can refer to the GATE ecology and evolution syllabus and exam pattern within the article to start their preparation. The GATE 2027 syllabus for ecology and evolution will be updated below. Candidates can check the detailed GATE ecology and evolution (EY) syllabus based on the previous years notification below:

    GATE EY Syllabus 2027 for General Aptitude (GA)

    The general aptitude consists of 15% weightage in GATE EY. Below is the syllabus for GATE General Aptitude.

    GATE syllabus for General Aptitude (GA)

    ChaptersTopics
    GATE GA syllabus for Verbal Aptitude
    • Basic English Grammar: tenses, articles, adjectives, prepositions, conjunctions, verb-noun agreement, and other parts of speech
    • Basic vocabulary: words, idioms, and phrases in context, reading and comprehension, Narrative sequencing.
    GATE GA syllabus for Quantitative Aptitude
    • Data interpretation: data graphs (bar graphs, pie charts, and other graphs representing data), 2- and 3-dimensional plots, maps, and tables
    • Numerical computation and estimation: ratios, percentages, powers, exponents and logarithms, permutations and combinations, and series Mensuration and geometry Elementary statistics and probability
    GATE GA syllabus for Analytical Aptitude
    • Logic: deduction and induction, Analogy, Numerical relations and reasoning
    GATE GA syllabus for Spatial Aptitude
    • Transformation of shapes: translation, rotation, scaling, mirroring, assembling, and grouping paper folding, cutting, and patterns in 2 and 3 dimensions.
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    GATE Syllabus 2027 for Ecology and Evolution

    The Indian Institute of Technology Madras has released the GATE 2027 syllabus for Ecology and Evolution on the official website, gate2027.iitm.ac.in. The GATE EY syllabus 2027 includes topics like the origin and history of life on Earth, diversity, classification of life, and the history of evolution in its Evolution section. Each section in the GATE exam syllabus for ecology and evolution provides detailed information to candidates about what they need to learn and focus on. Candidates can check the GATE 2027 syllabus for Ecology and Evolution in the table below.

    GATE EY Syllabus for Ecology

    ChapterTopics
    Fundamental ConceptsAbiotic and biotic components of ecosystems; Levels of biological organization (individuals, population, species, community, ecosystems, biomes); Niches; Habitats; Functional traits; Ecophysiology (e.g. physiological adaptations, homeostasis, acclimation).
    Population EcologyPopulation dynamics and growth (density dependent/independent); Meta-population ecology; Age-structured populations.
    InteractionsTypes of interactions (mutualism, symbiosis, commensalism, competition, parasitism, predation, etc.); Two species population models (Lotka-Voltera equations); Trophic levels and their direct and indirect interactions.
    Community EcologyCommunity assembly, structure and succession; Role of dispersal and habitat/environmental filtering; levels of diversity (alpha, beta, gamma); Species richness, Evenness and diversity indices; Relative abundance; Species-area relationships; Diversity gradients (e.g. latitudinal and altitudinal gradients); Theory of island biogeography.
    Ecosystems Structure and FunctionPrimary and secondary productivity; Food web, energy flow, and biogeochemical cycles (e.g. carbon and nitrogen); Ecosystem properties (e.g. stability, resilience); Global biomes and biogeographic zones; Flora and fauna of India; Biogeography of India.
    GATE 2027 Syllabus (All Subjects)
    Download the GATE 2027 subject-wise syllabus PDF and prepare with the latest topics, section-wise weightage, and exam pattern for your chosen discipline.
    Check Now

    GATE EY Syllabus for Evolution

    ChapterTopics
    FundamentalsLamarckism; Darwinism; Modern Synthesis; Variation; Heritability; Natural selection; Fitness and adaptation; Types of selection (e.g. stabilizing, directional, disruptive).
    Diversity of LifeOrigin and history of life on earth; Paleobiological evidence; Diversity and classification of life; Classical taxonomy vs systematics (cladistics).
    Life History TheoryAllocation of resources; Tradeoffs; r/K selection; Strategies (e.g. semelparity and iteroparity).
    InteractionsCo-evolution (e.g. mutualism, arms race, co-speciation); Prey-predator interactions (e.g. mimicry, crypsis); Host-parasite interactions
    Population and Quantitative GeneticsOrigins of genetic variation; Mendelian genetics; Hardy-Weinberg equilibrium; Drift; Selection (one-locus two-alleles model); Population genetic structure (panmixia, gene flow, FST); Polygenic traits; Gene-environment interactions (phenotypic plasticity); Heritability; Epistasis and epigenetic inheritance.
    Molecular Evolution and PhylogeneticsMutation rates; Molecular clocks; Neutral processes; Rates of evolution; Chromosomal and genome evolution (e.g. hybridization, ploidy, introgression); Phylogenetic methods (parsimony; maximum likelihood, Bayesian, etc); Phylogeography
    MacroevolutionSpecies concepts; Speciation and extinction; Adaptive radiation; Convergence; Biogeographic processes; Continental drift.

    GATE EY Syllabus for Mathematics and Quantitative Ecology

    ChapterTopics
    Mathematics and Statistics in EcologySimple functions (linear, quadratic, exponential, logarithmic, etc); Concept of derivatives and slope of a function; Permutations and combinations; Basic probability (probability of random events; Sequences of events, conditional probability, etc); Probability distributions (e.g. binomial, normal, Poisson); Descriptive statistics (mean, variance, coefficient of variation, confidence intervals, etc.).
    Statistical Hypothesis TestingStatistical hypothesis testing; Concept of p-value; Type I and Type II error, Statistical tests (e.g. t- test, Chi-square test); Correlation, linear regression and ANOVA.

    GATE EY Syllabus for Behavioural Ecology

    ChapterTopics
    Classical Ethology and Sensory EcologyProximate and ultimate explanations for behaviour; Innate and learnt behavior; Basic mechanisms (e.g., neuroethology, behavioural endocrinology); Modes of communication (chemical, visual, etc); Movement (e.g. navigation).
    Foraging and ReproductionOptimal foraging theory; Space use (e.g. territoriality); Mating systems; Sexual selection and sexual conflict (runaway selection, good-genes, handicap principle, etc); Parental care.
    Social LivingCosts and benefits of group-living; Intraspecific competition (e.g. scramble and contest); Kin selection; Altruism.

    GATE EY Syllabus for Applied Ecology & Evolution

    ChaptersTopics
    Biodiversity and ConservationBiodiversity-ecosystem function relationships; Ecosystem services; Conservation (endemism, biodiversity hotspots, protected areas); Global conservation initiatives (e.g. COP, IUCN, CBD, CITES); Conservation genetics and methods (genetic diversity, inbreeding depression, DNA fingerprinting and DNA barcoding).
    Disease Ecology and EvolutionEpidemiology; Zoonotic diseases; Antibiotic resistance.
    Global ChangeCauses, consequences, adaptation and mitigation of climate change; Threats to biodiversity (e.g. pollution, habitat loss and change); Invasive species.

    Related links:

    GATE Ecology and Evolution Important Topics

    To excel in the GATE Ecology and Evolution exam, candidates should prioritise certain topics. Some important topics in the syllabus include:

    • Fundamental Concepts
    • Macroevolution
    • Molecular Evolution
    • Phylogenetics
    • Sensory Ecology
    • Foraging Ecology
    • Population Ecology
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    GATE Ecology and Evolution Syllabus 2027: Best Books to Refer

    To achieve their desired score in the GATE 2027 Ecology and Evolution exam, candidates must thoroughly understand and prepare the syllabus. The syllabus covers a wide range of topics in ecology and evolution, mathematics and statistics, behavioural ecology, and applied aspects of the field. By strategically planning their preparation and utilising the recommended books, candidates can increase their chances of success. Therefore, aspirants are advised to refer to GATE books for Ecology and Evolution. While referring to the recommended books, candidates should also consult their graduation-level course books. Some trusted books for GATE 2027 ecology and evolution exam preparation include

    Book

    Author

    Fundamentals and Techniques of Biophysics and Molecular Biology

    Pranav Kumar

    Cell Biology, Genetics, Molecular Biology, Evolution & Ecology

    Verma P.S. & Agarwal V.K

    Test & Evaluation: Life Sciences / Biotechnology

    Kumar Pranav & Mina Usha

    Principles and Techniques of Biochemistry and Molecular Biology

    Keith Wilson & John Walker

    microbiology

    Michael Pelczar

    GATE Exam Pattern for Ecology and Evolution

    Along with the GATE syllabus for Ecology and Evolution pdf, candidates must also be familiar with the GATE Exam pattern 2027. Understanding exam patterns makes candidates familiar with the mode of examination and the kind of questions asked.

    GATE Ecology and Evolution Exam Pattern

    Particulars

    Specifications

    Exam duration

    3 hours

    Exam mode

    Online (Computer-based test) in multiple shifts

    Type and total number of Questions

    Total 65 Questions

    MCQs and MCQs and/or Numerical Answer Type (NAT) questions

    Total marks of the exam

    100

    Total number of sections

    • Aptitude

    • Ecology

    • Evolution

    • Mathematics and Quantitative Ecology

    • Behavioural Ecology

    Marking Scheme

    • 1 mark MCQs – 1/3 mark will be deducted for every wrong answer.

    • 2 mark MCQs – 2/3 mark will be deducted for every wrong response.

    • Zero marks will be awarded for unattempted questions

    • No negative marking will be done for Numerical Answer Type (NAT) questions

    Frequently Asked Questions (FAQs)

    Q: When will the GATE 2027 exam be conducted?
    A:

    The GATE 2027 exam will be conducted on February 6,7, 13, 14, 20 and 21.

    Q: What is the age limit for GATE exam 2027?
    A:

    There is no age limit for the GATE exam 2027.

    Q: What is the eligibility criteria for GATE ecology and evolution?
    A:

    A candidate who is currently studying in the 3rd or higher years of any undergraduate degree program OR has already completed any Government-approved degree program in Engineering / Technology / Architecture / Science / Commerce / Arts is eligible to appear for the GATE 2027 examination.

    Q: What are the opportunities after GATE ecology and evolution?
    A:

    Ecology and evolution offer great research prospects, opening up various career opportunities after GATE. Fields such as ecology, environmental consulting, natural resource management, and genetics become accessible. Notable institutions in India for Ecology and Evolution include the Indian Institute of Ecology and Environment in New Delhi.

    Q: Is a calculator allowed in the GATE EY exam?
    A:

    No, candidates are not allowed to carry any electronic devices, including calculators, to the GATE examination hall.

    Q: Can I expect questions related to current environmental issues in the GATE EY exam?
    A:

    Yes, questions related to current environmental issues and conservation efforts are often included in the GATE EY exam to assess the candidates' awareness of real-world challenges.

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    Questions related to GATE

    On Question asked by student community

    Have a question related to GATE ?

    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 .

    • GATE ME: You are eligible