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GATE Life Sciences (XL) - Previous Year Papers Previous Year Paper Trends & Analysis

Explore year-wise question trends, subject weightage, difficulty and paper coverage for GATE Life Sciences (XL) - Previous Year Papers.

20Papers
20Years
2,484Questions
56Topics

Historical question trend

Compare question volume by year and subject.

Questions by year

Compare question counts across years.

Difficulty distribution

How the classified questions are distributed by difficulty.

Easy 1,454 58.5%
Medium 988 39.8%
Hard 42 1.7%

Question type distribution

MCQ, numerical, multiple-select and other formats found in these papers.

MCQ 1,969 79.3%
Numerical Answer Type (NAT) 320 12.9%
MSQ 190 7.6%
Fill in the blanks 5 0.2%

Subject weightage

Top subjects by unique question coverage.

Life Sciences
2179 Qs
General Aptitude (GA)
239 Qs

Most asked topics

Top topics across the included previous year papers.

Biochemistry and Molecular Biology
261 Qs
Analytical Techniques
154 Qs
General Aptitude
137 Qs
Plant Physiology and Biochemistry
87 Qs
Genetics
84 Qs
Structure-Reactivity Correlations and Organic Reaction Mechanisms
81 Qs
Food Engineering
78 Qs
Animal Anatomy and Physiology
71 Qs
Food Chemistry and Nutrition
70 Qs
Cell Structure and Function
69 Qs
Microbial Growth
68 Qs
Parasitology and Immunology
66 Qs
Enzymes and General Principles of Metabolism
66 Qs
Gene Expression and Its Regulation, and DNA Repair
63 Qs
Genetics and Genomics
52 Qs
Plant Breeding, Genetic Modification, Genome Editing
45 Qs
Cell Biology
43 Qs
Structure and Bonding
42 Qs
Chemical Equilibria
42 Qs
Plant Anatomy
40 Qs
Ecology
40 Qs
Verbal Ability
37 Qs
s, p and d Block Elements
34 Qs
Thermodynamics
34 Qs
Microbial Diseases and Host Pathogen Interaction
34 Qs
Economic and Applied Botany
31 Qs
Atomic Structure and Periodicity
30 Qs
Food Products Technology
30 Qs
Development Biology
30 Qs
Microbial Taxonomy and Diversity
28 Qs
Control of Micro-organisms: Chemotherapy/Antibiotics
28 Qs
Animal Diversity
28 Qs
Food Microbiology
28 Qs
Microbial Metabolism
27 Qs
Methods in Microbiology
26 Qs
Evolution
26 Qs
Biology
26 Qs
Microbial Genetics
24 Qs
Plant Pathology
23 Qs
Reaction Kinetics
23 Qs
Animal Behaviour
23 Qs
Structure and Function of Biomolecules
21 Qs
Plant Systematics
20 Qs
Logic
20 Qs
Prokaryotic Cells: Structure and Function
18 Qs
Electrochemistry
17 Qs
Microbial Ecology
14 Qs
Metabolic Pathways and Associated Disorders
14 Qs
Historical Perspective
13 Qs
Plant development; Cell and Tissue Morphogenesis
11 Qs
Ecology and Environment
10 Qs
Data Interpretation
8 Qs
Geometry
7 Qs
Chemistry of Biomolecules
6 Qs
Bioinorganic Chemistry
6 Qs
Probability
4 Qs

Subtopic coverage

Top subtopics inside this exact selection.

Biomolecules and Molecular Information Flow
173 Qs
Metabolism, Enzymes and Hormones
88 Qs
Inheritance and Genetic Mapping
76 Qs
Comparative Anatomy and Organ-system Physiology
71 Qs
Spectroscopy and Molecular Analysis
67 Qs
Enzyme Catalysis, Kinetics and Regulation
64 Qs
Buffers, Separation and Electrophoresis
62 Qs
Growth Kinetics and Culture Systems
60 Qs
Cellular and Humoral Immunity
51 Qs
Organelles, Membranes and Transport
46 Qs
Vocabulary and Idioms in Context
46 Qs
Substitution, Elimination and Addition Reactions
45 Qs
Genome Organization, Mutations and Epigenetics
43 Qs
Photosynthesis, Respiration and Nitrogen Metabolism
42 Qs
Chemical Bonding and Molecular Structure
39 Qs
Ecosystems, Populations and Biogeography
37 Qs
Infectious Diseases and Pathogenicity
34 Qs
DNA Repair and Gene Regulation
32 Qs
Electronic Effects, Stereochemistry and Aromaticity
31 Qs
Replication, Transcription and Translation
31 Qs
Plant Cells, Tissues and Organ Anatomy
30 Qs
Ionic Equilibria, Buffers and Solubility
29 Qs
Plant Biomolecules, Secondary Metabolites and Hormones
28 Qs
Animal Classification and Phylogenetics
28 Qs
Economic and Medicinal Plants
26 Qs
Origin of Life, Natural Selection and Speciation
26 Qs
Biology
26 Qs
Immunological Techniques and Flow Cytometry
25 Qs
Gene Transfer and Genome Editing
25 Qs
Antimicrobial Mechanisms and Resistance
25 Qs
Transition Elements and Coordination Complexes
22 Qs
Microbial Groups and Viral Classification
22 Qs
Cell Cycle, Division and Chromatin
22 Qs
Reaction Rates and Rate Laws
22 Qs
Cell Signalling and Receptors
21 Qs
Cell Structure, Organelles and Microscopy
21 Qs
Atomic Models and Electronic Configuration
20 Qs
Culture, Nutrition and Sterilization Methods
20 Qs
Mass and Energy Balances
20 Qs
Thermodynamic Laws and Thermochemistry
19 Qs
Behaviour, Learning and Communication
19 Qs
Differentiation, Organogenesis and Stem Cells
18 Qs
Fermentation, Respiration and Photosynthesis
18 Qs
Conductance and Electrochemical Cells
17 Qs
Plant Tissue Culture and Regeneration
17 Qs
Momentum Transfer
17 Qs
Plant Diseases and Control
17 Qs
Deductive and Inductive Reasoning
16 Qs
Biology
16 Qs
Entropy, Free Energy and Spontaneity
15 Qs
Host-parasite Relations
15 Qs
Protein Structure, Folding and Function
15 Qs
Algebra
15 Qs
Microbial Interactions and Biogeochemical Cycles
14 Qs
Fermented Foods and Beverages
13 Qs
Microbiology Discoveries and Germ Theory
13 Qs
Food Component Characterization
13 Qs
Main-group Compounds
12 Qs
Lipids
12 Qs
Mutation, DNA Repair and Gene Transfer
12 Qs
Gametogenesis and Embryonic Development
12 Qs
Mechanical Operations
12 Qs
Processing Principles
12 Qs
English Grammar
12 Qs
Heat transfer
12 Qs
Central Carbon and Lipid Metabolism
11 Qs
Vocabulary and Idioms in Context
11 Qs
Meristems, Vascular Systems and Secondary Growth
10 Qs
Plant Classification and Nomenclature
10 Qs
Cell Envelopes and Membrane Transport
10 Qs
Periodic Properties
10 Qs
Thermal operations
10 Qs
Plant Families and Diversity
9 Qs
Proteins
9 Qs
Water Relations and Mineral Transport
9 Qs
Numerical Computation and Estimation
9 Qs
Pollution, Climate Change and Conservation
8 Qs
Environmental Responses, Quorum Sensing and Biofilms
8 Qs
Colligative Properties
8 Qs
Surface Structures, Inclusions and Motility
8 Qs
Stress Physiology and Senescence
8 Qs
Inheritance, Recombination and Genetic Mapping
8 Qs
Carbohydrates
8 Qs
Elementary Statistics
8 Qs
Numerical Relations and Analogies
8 Qs
Population Genetics and Genetic Disorders
8 Qs
Chemical and Biochemical Changes
7 Qs
Characteristics of Microorganisms
7 Qs
Food packaging and storage
7 Qs
Major Biomolecules and Organization of Life
6 Qs
Gene Regulation and Microbial Genomes
6 Qs
Microscopy and Molecular Diagnosis
6 Qs
Phage and Viral Genetics
6 Qs
Bioenergetics and Central Metabolic Pathways
6 Qs
Molecular Taxonomy and Phylogeny
6 Qs
Food Flavours
6 Qs
Biomolecular Structure and Sequencing
6 Qs
Plant-pathogen Interactions and Defence Signalling
6 Qs
Logic
6 Qs
Applied Plant Biotechnology and Phytochemicals
5 Qs
Organic Reagents and Functional-group Tests
5 Qs
Homogeneous Reaction Equilibria
5 Qs
Mass Transfer
5 Qs
Tissue Patterning and Meristem Development
5 Qs
Logarithms
5 Qs
Reading Comprehension
5 Qs
Pigments
5 Qs
Food Adulteration and Detection
5 Qs
Metalloenzymes
5 Qs
Nutrition
5 Qs
Work and Time
5 Qs
Analogies
5 Qs
Courtship, Territoriality and Social Behaviour
4 Qs
Elementary Statistics
4 Qs
Elementary Statistics
4 Qs
Proportionality
4 Qs
Percentage
4 Qs
Numerical Relations and Analogies
4 Qs
Intermolecular Forces and Ionic Solids
3 Qs
Breeding, Selection and Molecular Markers
3 Qs
Gametophytes, Fertilization and Seed Development
3 Qs
Antifungal and Antiviral Drugs
3 Qs
Flowering, Light and Hormonal Regulation
3 Qs
Microbial Growth
3 Qs
Biosynthesis and Metabolic Regulation
3 Qs
Food Spoilage
3 Qs
Conservation, Biodiversity and Ecotoxicology
3 Qs
Food standards and Quality Maintenance
3 Qs
Cereal and Pulse Processing
3 Qs
Spatial Transformations and Paper Folding
3 Qs
Permutations, Combinations and Series
3 Qs
Fruits and Vegetables Processing
2 Qs
Coenzymes, ATP and Metabolic Regulation
2 Qs
Metabolic Disorders
2 Qs
Ecosystems, Vegetation and Biogeography
2 Qs
Protein Targeting and Degradation
2 Qs
Humidification and Dehumidification
2 Qs
Cubes
2 Qs
Spatial Transforms and Paper Folding
2 Qs
Set Theory
2 Qs
Functional Genomics and Omics Analysis
1 Qs
Probiotic foods
1 Qs
Catalysis and Enzyme Inhibition
1 Qs
Toxins from Microbes
1 Qs
Nitrogen Metabolism
1 Qs
Synonyms
1 Qs
Data Interpretation
1 Qs
Number Puzzles
1 Qs
Phylogenetics and Molecular Taxonomy
1 Qs
Metalloproteins in Oxygen and Electron Transport
1 Qs
Geometry
1 Qs
Logic
1 Qs
Non thermal technologies
1 Qs
Matrix Algebra
1 Qs
Chemistry
1 Qs
Lines
1 Qs
Polygons
1 Qs
Cylinders
1 Qs
Narrative Sequencing
1 Qs
Oil Processing
1 Qs
Triangles
1 Qs
Processing of animal products
1 Qs
Direct and Indirect Speech
1 Qs
Circles
1 Qs

Paper coverage

Question coverage for the most populated papers. Every active PYP paper remains listed below.

Life Sciences (XL) 2026
122 Qs
Life Sciences (XL) 2025
122 Qs
Life Sciences (XL) 2024
122 Qs
Life Sciences (XL) 2023
122 Qs
Life Sciences (XL) 2022
122 Qs
Life Sciences (XL) 2021
125 Qs
Life Sciences (XL) 2020
125 Qs
Life Sciences (XL) 2019
125 Qs
Life Sciences (XL) 2018
125 Qs
Life Sciences (XL) 2017
125 Qs
Life Sciences (XL) 2016
125 Qs
Life Sciences (XL) 2015
129 Qs
Life Sciences (XL) 2014
125 Qs
Life Sciences (XL) 2013
121 Qs
Life Sciences (XL) 2012
125 Qs
Life Sciences (XL) 2011
120 Qs
Life Sciences (XL) 2010
105 Qs
Life Sciences (XL) 2009
119 Qs
Life Sciences (XL) 2008
112 Qs
Life Sciences (XL) 2007
168 Qs

Included previous year papers

Newest papers appear first. Search these papers or sort by year and name.

Paper nameYearPDFAttempt
Life Sciences (XL) 20262026
122 questions in this view		2026
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Life Sciences (XL) 20252025
122 questions in this view		2025
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Official question paperOriginal authority-issued PDF Official Download Official answer keyOriginal authority-issued PDF Official Download
Life Sciences (XL) 20242024
122 questions in this view		2024
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Official question paperOriginal authority-issued PDF Official Download Official answer keyOriginal authority-issued PDF Official Download
Life Sciences (XL) 20232023
122 questions in this view		2023
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Official question paperOriginal authority-issued PDF Official Download Official answer keyOriginal authority-issued PDF Official Download
Life Sciences (XL) 20222022
122 questions in this view		2022
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Official question paperOriginal authority-issued PDF Official Download Official answer keyOriginal authority-issued PDF Official Download
Life Sciences (XL) 20212021
125 questions in this view		2021
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Official question paperOriginal authority-issued PDF Official Download Official answer keyOriginal authority-issued PDF Official Download
Life Sciences (XL) 20202020
125 questions in this view		2020
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Official question paperOriginal authority-issued PDF Official Download
Life Sciences (XL) 20192019
125 questions in this view		2019
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Official question paperOriginal authority-issued PDF Official Download
Life Sciences (XL) 20182018
125 questions in this view		2018
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Official question paperOriginal authority-issued PDF Official Download
Life Sciences (XL) 20172017
125 questions in this view		2017
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Official question paperOriginal authority-issued PDF Official Download
Life Sciences (XL) 20162016
125 questions in this view		2016
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Official question paperOriginal authority-issued PDF Official Download
Life Sciences (XL) 20152015
129 questions in this view		2015
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Official question paperOriginal authority-issued PDF Official Download
Life Sciences (XL) 20142014
125 questions in this view		2014
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Official question paperOriginal authority-issued PDF Official Download
Life Sciences (XL) 20132013
121 questions in this view		2013
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Official question paperOriginal authority-issued PDF Official Download
Life Sciences (XL) 20122012
125 questions in this view		2012
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Official question paperOriginal authority-issued PDF Official Download
Life Sciences (XL) 20112011
120 questions in this view		2011
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Official question paperOriginal authority-issued PDF Official Download
Life Sciences (XL) 20102010
105 questions in this view		2010
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Official question paperOriginal authority-issued PDF Official Download
Life Sciences (XL) 20092009
119 questions in this view		2009
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Official question paperOriginal authority-issued PDF Official Download
Life Sciences (XL) 20082008
112 questions in this view		2008
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Official question paperOriginal authority-issued PDF Official Download
Life Sciences (XL) 20072007
168 questions in this view		2007
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Official question paperOriginal authority-issued PDF Official Download