How to Choose an Optional Subject for GATE Exam

How to Choose an Optional Subject for the GATE Exam?

In this article, you will get to know about the subjects of the GATE examination and the optional subject. The candidate can choose the combination of the subjects that they are comfortable with but the candidates can only choose the subjects that are combined by the GATE. in this article you will also come across the codes for the papers or disciplines of the GATE entrance examination. Kindly read this article and you will definitely find a good way to choose the optional subjects for the GATE entrance examination.

About Gate Exam

GATE examination, a graduate aptitude test in engineering, is a national-level entrance examination that is conducted on an annual basis in India. this examination is conducted every year for the engineering students who want to secure admission for some of the medical courses in the prestigious colleges of our country or to secure hai job profile in a public sector undertakings get the entrance exam pattern and syllabus is almost same everywhere and there will be no changes but if there will be any change in the exam pattern we have updated it in this article. The GATE examination pattern consists of all the important information such as the total number of questions, type of questions asked marking scheme in the examination, and the number of sections. The candidates who are planning to appear for the GATE entrance examination should be aware of the exam pattern of the GATE examination. GATE examination is conducted for 29 disciplines and a candidate can attempt any of these papers. The examination is now conducted through online mode only.

Gate syllabus 2022

Gate syllabus for gate Examination, The duration to complete the examination is 3 hours and 100 is the maximum mark for the GATE entrance examination. In the given article we have provided you with detailed information about the GATE syllabus in the exam pattern so that you can get great help with your preparation. The candidate should read this article to find more about the GATE examination pattern every year. One of the Indian institutes of technology that conducts the GATE entrance examination is divided into two sections that contain general aptitude and the other one contains numerical questions. The candidate has to choose one of the 29 subjects that are given below in the table for the numerical answer type questions. in the below-given paragraphs you will come to know about the detailed syllabus and exam pattern of the gate, Choose the best coaching for Gate Examination.

Subjects for GATE Examination

From 2022 the GATE examination will have 29 disciplines or subjects. The candidates who are appearing for the GATE entrance examination can appear only in one paper of the following disciplines.

GATE Paper   Code GATE Paper   Code
Aerospace Engineering AE Instrumentation Engineering IN
Agricultural Engineering AG Mathematics MA
Architecture and Planning AR Mechanical Engineering ME
Biomedical Engineering BM Mining Engineering MN
Biotechnology BT Metallurgical Engineering MT
Civil Engineering CE Petroleum Engineering PE
Chemical Engineering CH Physics PH
Computer Science and Information Technology CS Production and Industrial Engineering PI
Chemistry CY Statistics ST
Electronics and Communication Engineering EC Textile Engineering and Fiber Science TF
Electrical Engineering EE Engineering Sciences XE
Environmental Science & Engineering (New) ES Humanities & Social Sciences (New) XH
Ecology and Evolution EY Life Sciences XL
Geology and Geophysics GG    

Note:- the engineering sciences, humanities, social science, and life science are papers of general nature and these papers comprise the following sections.

Gate 2022 paper codes for engineering sciences, life sciences, and humanities and social sciences.

XE Paper Sections Code XL Paper Sections Code XH Paper Sections Code
Engineering Mathematics(Compulsory – 15 Marks) A Chemistry (Compulsory- 25 Marks) P Reasoning and Comprehension (Compulsory) (25 marks) B1
Any two optional sections (2×35 = 70 marks) Any two optional sections (2×30 = 60 marks) Anyone optional section (60 marks)
Fluid Mechanics B Biochemistry Q Economics C1
Materials Science C Botany R English C2
Solid Mechanics D Microbiology S Linguistics C3
Thermodynamics E Zoology T Philosophy C4
Polymer Science and Engineering F Food Technology U Psychology C5
Food Technology G Sociology C6
Atmospheric and Oceanic Sciences H

Gate 2022 Examination Pattern 

Examination pattern for gate paper is conducted every year by one of the Indian Institutes of Technology that is present in our country. There are no major changes that are introduced in the examination pattern; only two new disciplines are introduced to the GATE examination this year; the candidates can check the examination pattern in the below-given points.

  • The examination mode for the GATE examination is online, it is a computer-based test. 
  • The total duration provided to the candidates is 3 hours.
  • There are two sections in the examination that includes general aptitude and candidate selected subject. 
  • The type of questions asked in the GATE entrance examination is multiple-choice questions, multiple select questions, and numerical answer type questions.
  • The design of questions is analysis and synthesis, comprehension, recall, and application of the number of questions present in the GATE examination.
  • Total 10 questions from general aptitude and 55 questions from the selected subject of a candidate mean the candidate gets a total of 65 questions out of a total of hundred marks in the GATE entrance examination
  • All the questions asked in this paper are of one or two marks.

Gate 2022 Section-Wise Marks distribution 

The candidates can check the section-wise marks distribution of different papers in the table given below. The subjects are divided into two types. one is containing three sections and the other one is containing only two sections 

Paper Code Marks Distribution
Distribution of Questions in all Papers except 

AR, CY, EY, GG, MA, PH, XH, and XL

General Aptitude (GA) – 15, 

Engineering Mathematics -13, and

The subject of the Paper – 72 

Distribution of Questions in AR, CY, EY, GG, MA, PH, XH, and XL General Aptitude (GA)- 15 and

The subject of the Paper- 85 

Marking scheme of GATE Examination Pattern 

There is a different marking scheme depending on the paper you are attempting. The candidates can check the marking scheme of different papers in the table that is given below.

Paper Code General Aptitude (GA) Marks Subject Marks Total Marks Total Time (Minutes)
AE, AR, AG, BT, CE, CH, CS, CY, EC, EE, ES, EY, IN, MA, MI, MN, MT, PE, PH, PI, TF, ST, and BM 15 85 100 180
GG [Part A + Part B (Section 1 Geology OR Section 2 Geophysics)] 15 25 + 60 100 180
XE (Section A + Any TWO Sections) 15 15 + (2 x 35) 100 180
XH (Section B1 + Any ONE Section) 15 25 + (1 x 60) 100 180
XL (Section P + Any TWO Sections) 15 25 + (2 x 30) 100 180

GATE Syllabus for General Aptitude

The general aptitude paper is a common subject for all the branches. This area of the GATE examination holds 15% of the total marks. The questions asked in general aptitude are based on numerical and verbal ability and the two subsections in the general ability section are explained below.

  • Verbal ability

The following topics are asked in the verbal ability section:- 

  • English Grammar
  • Sentence Completion
  • Verbal Analogies
  • Word Groups
  • Instructions
  • Critical Reasoning
  • Verbal Deduction
  • Numerical Ability

In this section, the question tests the basic mathematical skills of the candidates. the sub-topics included in this section are:- 

  • Numerical Estimation
  • Numerical Reasoning
  • Numerical computation
  • Data Interpretation

Gate Syllabus- Subject Wise Topics

The candidate can check the main topic of every subject that is asked in the GATE entrance examination. The elaborated syllabus of every topic and subject is given in the table that is mentioned below.

General Aptitude Syllabus (Common for all papers)
Verbal Ability Numerical Ability
Biomedical Engineering Syllabus
Engineering Mathematics Electrical Circuits
Analog and Digital Electronics Signals and Systems
Measurement and Digital Electronics Sensors and Instrumentations
Medical Imaging System Biomaterials
Human Anatomy and Physiology Biomechanics
Aerospace Engineering Syllabus
Fourier Series Laplace Transforms
Numerical methods for linear and nonlinear algebraic equations Numerical integration and differentiation.
Dynamic stability Euler angle
Equations of motion Aerodynamic forces and moments, stability & control derivatives
Decoupling of longitudinal and lateral-directional dynamics Longitudinal modes; lateral-directional modes.
Orbit transfer In-plane and out-of-plane
Elementary ideas of viscous flows including boundary layers Wind Tunnel Testing
Measurement and visualization techniques Vibration of  beams
Theory of elasticity Equilibrium and compatibility equations
Airy’s stress function  
Agriculture Engineering Syllabus
Engineering Mathematics Farm Machinery
Farm Power Soil and Water Conservation Engineering
Irrigation and Drainage Engineering Agricultural Processing Engineering
Dairy and Food Engineering  
Architecture & Planning Syllabus
Architecture and Design Building Materials, Construction, and Management
Building and Structures Environmental Planning and Design
Urban Design Urban Planning and Housing
Planning Techniques and Management Services, Infrastructure, and Transportation
Biotechnology Syllabus
Engineering Mathematics General Biotechnology
Recombinant DNA Technology Plant and Animal Biotechnology
Bioprocess Engineering and Process Biotechnology  
Civil Engineering Syllabus
Engineering Mathematics Structural Engineering
Geotechnical Engineering Water Resources Engineering
Environmental Engineering Transportation Engineering
Geomatics Engineering  
Chemical Engineering Syllabus
Engineering Mathematics Process Calculations and Thermodynamics
Fluid Mechanics and Mechanical Operations Heat Transfer
Mass Transfer Chemical Reaction Engineering
Instrumentation and Process Control Plant Design and Economics
Chemical Technology  
Computer Science and Information Technology
Engineering Mathematics Digital Logic
Computer Organization and Architecture Programming and Data Structures
Algorithms Theory of Computation
Compiler Design Operating System
Databases Computer Networks
Chemistry Syllabus
Physical Chemistry Organic Chemistry
Inorganic Chemistry  
Electronics and Communication Engineering Syllabus
Engineering Mathematics Networks, Signals, and Systems
Electronic Devices Analog Circuits
Digital Circuits Control System
Communication Electromagnetics
Electrical Engineering Syllabus
Engineering Mathematics Electrical Circuits
Electromagnetic Fields Signals and Systems
Electrical Machines Power Systems
Control Systems Electrical and Electronic Measurements
Analog and Digital Electronics Power Electronics
Environmental Science & Engineering (New)
Environmental Management and Sustainable Development Environmental Chemistry
Environmental Microbiology Water Resources and Environmental Hydraulics
Water & Wastewater Treatment and Management Air and Noise Pollution
Solid and Hazardous Waste Management Global and Regional Environmental Issues
Ecology and Evolution Syllabus
Ecology Evolution
Mathematics and Quantitative Ecology Behavioural Ecology
Geology And Geophysics Syllabus
Geology Geophysics
Instrumentation Engineering Syllabus
Engineering Mathematics Control Systems
Electrical Circuits Analog and Digital Electronics
Signals and Systems Measurements
Sensors and Industrial Instrumentation Communication and Optical Instrumentation
Mathematics Syllabus
Calculus Linear Algebra
Rear Analysis Complex Analysis
Ordinary Differential Equations Algebra
Functional Analysis Numerical Analysis
Partial Differential Equations Topology
Linear Programming  
Mechanical Engineering Syllabus
Engineering Mathematics Applied Mechanics and Design
Fluid Mechanics and Thermal Science Material, Manufacturing and Industrial Engineering
Mining Engineering Syllabus
Engineering Mathematics Mine Development Surveying
Geomechanics and Ground Control Mining Methods and Machinery
Surface Environment, Mine Ventilation, and Underground Hazards Mine Economics, Mine Planning, System Engineering
Metallurgical Engineering Syllabus
Engineering Mathematics Thermodynamics and Rate Process
Extractive Metallurgy Physical Metallurgy
Mechanical Metallurgy Manufacturing Process
Physics Syllabus
Mathematical Physics Classical Mechanics
Electromagnetic Theory Quantum Mechanics
Thermodynamics and Statistical Physics Atomic and Molecular Physics
Solid State Physics and Electronics Nuclear and Particle Physics
Production and Industrial Engineering Syllabus
Engineering Mathematics General Engineering
Manufacturing Processes Quality and Reliability
Industrial Engineering Operation Research an Operational Management
Textile Engineering Syllabus
Engineering Mathematics Textile Engineering and Fiber Science
XE-A (Engineering Mathematics Syllabus)
Linear Algebra Calculus
Vector Calculus Ordinary Differential Equations
Partial Differential Equations Complex variables
Probability and Statistics Numerical Methods
XE-B (Fluid Mechanics Syllabus)
Flow and Fluid Properties Kinematics
Integral analysis Differential Analysis
Inviscid flows Dimensional analysis
Internal flows Prandtl boundary layer equations
XE-C (Material Sciences Syllabus)
Processing of Materials Characterization Techniques:
Structure and Imperfections Thermodynamics and Kinetics
Properties of Materials Material types
Environmental Degradation Elements of Quantum Mechanics and Mathematics
XE-E (Thermodynamics Syllabus)
Basic Concepts Law of Thermodynamics
Thermodynamics Cycle Thermodynamics Relations
Ideal Gas Mixtures  
XE-F (Polymer Science and Engineering Syllabus)
Chemistry of high polymers Polymer Characterization
Synthesis and properties Polymer blends and composites
Polymer Technology Polymer rheology
Polymer processing Polymer testing
XE-G (Food Technology Syllabus)
Food Chemistry and Nutrition Food Microbiology
Food Products Technology Food Engineering
XL-P (Chemistry Syllabus)
Atomic Structure and Periodicity Structure and Bonding
s, p and d Block Elements Chemical Equilibria
Electrochemistry Reaction Kinetics
Thermodynamics Structure-Reactivity Correlations and Organic Reaction Mechanisms
XL-R (Botany Syllabus)
Plant Systematics Plant Anatomy
Morphogenesis & Development Physiology and Biochemistry
Genetics Plant Breeding and Genetic Modification
Economic Botany Plant Pathology
Ecology and Environment
XL-S (Microbiology Syllabus)
Historical Perspective Methods in Microbiology
Microbial Taxonomy and Diversity Prokaryotic and Eukaryotic Cells: Structure and Function
Microbial Growth Control of Microorganisms
Microbial Metabolism Microbial Diseases and Host-Pathogen Interaction
Chemotherapy/Antibiotics Microbial Genetics
Microbial Ecology  
XL-T (Zoology Syllabus)
Animal world Genetics
Evolution Biochemistry and Molecular Biology
Cell Biology Gene expression in Eukaryotes
Animal Anatomy and Physiology Parasitology and Immunology
Development Biology Ecology
Animal Behavior  
XH-B1 (Reasoning and Comprehension) (New)
Reading Comprehension Expression
Analytical reasoning Logical reasoning
XH-C1 (Economics) (New)
Statistics, Econometrics and Mathematical Economics Microeconomics
Macroeconomics International Economics
Public Economics Development Economics
Indian Economy
XH-C3 (Linguistics) (New)
Areal Typology, Universals, Cross-linguistic Features Language and Linguistics
Levels of Grammar and Grammatical Analysis Historical Linguistics
Sociolinguistics Methods of analysis
Applied Linguistics
XH-C4 (Philosophy) (New)
Classical Indian Philosophy Contemporary Indian Philosophy
Classical and Modern Western Philosophy Contemporary Western Philosophy
XH-C5 (Psychology) (New)
Perception, Learning, Memory, and Forgetting Cognition: Thinking, Intelligence, and Language
Research Methods and Statistics Psychometrics
The biological and evolutionary basis of behaviour Personality
Applications of Psychology Motivation, Emotion, and Stress and Coping
Social psychology Development across the lifespan
XH-C6 (Sociology) (New)
Family, Marriage, and Kinship Sociological Theory
Research Methodology and Methods Sociological Concepts
Agrarian Sociology and Rural Transformation Indian Society / Sociology of India
Social Movements Sociology of Development

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