0.0 GSA Table of the content

CSS 2026 • COMPLETE COURSE

General Science and Ability

Complete Table of Contents for CSS General Science and Ability
preparation, covering General Science, General Ability, practice,
past papers, mock tests and revision.

📚 Complete Course Structure

This course is organized from concept building to
exam-oriented practice, covering the General Science
and General Ability components of the CSS paper.

PART I — GENERAL SCIENCE

Physical Sciences • Natural Hazards • Biological Sciences •
Environmental Science • Food Science • Information Technology

UNIT 1 — PHYSICAL SCIENCES

🌌 Chapter 1: The Universe and Its Structure

1.1 Introduction to the Universe
1.2 Origin and Evolution of the Universe
1.3 Galaxies
1.4 Types of Galaxies
1.5 The Milky Way Galaxy
1.6 Stars and Their Life Cycle
1.7 Constellations
1.8 Nebulae
1.9 Light Year
1.10 Astronomical Units
1.11 Solar System
1.12 The Sun
1.13 Planets of the Solar System
1.14 Inner and Outer Planets
1.15 Dwarf Planets
1.16 Earth as a Planet
1.17 Moons and Natural Satellites
1.18 Asteroids
1.19 Comets
1.20 Meteoroids, Meteors and Meteorites
1.21 Space Exploration
1.22 Important Space Missions
1.23 Important Facts for CSS

🌍 Chapter 2: Earth, Rotation and Revolution

2.1 Structure of the Earth
2.2 Rotation of Earth
2.3 Effects of Rotation
2.4 Revolution of Earth
2.5 Effects of Revolution
2.6 Day and Night
2.7 Seasons
2.8 Solstices
2.9 Equinoxes
2.10 Earth’s Axis and Tilt
2.11 Time Zones
2.12 International Date Line
2.13 Standard Time
2.14 Important Concepts for CSS

🌑 Chapter 3: Eclipses and Celestial Phenomena

3.1 Solar Eclipse
3.2 Types of Solar Eclipse
3.3 Lunar Eclipse
3.4 Types of Lunar Eclipse
3.5 Difference Between Solar and Lunar Eclipse
3.6 Causes of Eclipses
3.7 Tides
3.8 Phases of the Moon
3.9 Important Celestial Phenomena
3.10 CSS-Oriented Questions

🌦️ Chapter 4: Weather and Atmospheric Processes

4.1 Weather and Climate
4.2 Atmosphere
4.3 Layers of Atmosphere
4.4 Temperature
4.5 Atmospheric Pressure
4.6 Wind
4.7 Humidity
4.8 Precipitation
4.9 Clouds
4.10 Rainfall
4.11 Types of Rainfall
4.12 Air Circulation
4.13 Global Atmospheric Circulation
4.14 Weather Variations
4.15 Climate Patterns
4.16 Global Temperature
4.17 Factors Affecting Weather
4.18 Weather Forecasting

UNIT 2 — NATURAL HAZARDS AND DISASTERS

🌋 Chapter 5: Earthquakes

5.1 Introduction to Earthquakes
5.2 Causes of Earthquakes
5.3 Tectonic Plates
5.4 Faults
5.5 Seismic Waves
5.6 Focus and Epicenter
5.7 Measuring Earthquakes
5.8 Richter Scale
5.9 Magnitude and Intensity
5.10 Earthquake Safety
5.11 Tsunamis
5.12 CSS Important Points

UNIT 3 — BIOLOGICAL SCIENCES

🧬 Chapter 6: Cell Biology

6.1 Introduction to Cells
6.2 Cell Theory
6.3 Prokaryotic and Eukaryotic Cells
6.4 Cell Membrane
6.5 Cytoplasm
6.6 Nucleus
6.7 Cell Organelles
6.8 Mitochondria
6.9 Ribosomes
6.10 Endoplasmic Reticulum
6.11 Golgi Apparatus
6.12 Lysosomes
6.13 Cell Division
6.14 Mitosis
6.15 Meiosis

🌱 Chapter 7: Plant Biology

7.1 Plant Kingdom
7.2 Plant Tissues
7.3 Photosynthesis
7.4 Respiration in Plants
7.5 Plant Nutrition
7.6 Transport in Plants
7.7 Reproduction in Plants
7.8 Seeds and Germination
7.9 Plant Hormones
7.10 Economic Importance of Plants

🧍 Chapter 8: Human Biology and Physiology

8.1 Human Body Organization
8.2 Digestive System
8.3 Respiratory System
8.4 Circulatory System
8.5 Excretory System
8.6 Nervous System
8.7 Endocrine System
8.8 Skeletal System
8.9 Muscular System
8.10 Reproductive System
8.11 Immune System
8.12 Human Health

UNIT 4 — ENVIRONMENTAL SCIENCE

🌎 Chapter 9: Environment and Ecosystems

9.1 Environment
9.2 Ecosystem
9.3 Food Chain
9.4 Food Web
9.5 Energy Flow
9.6 Ecological Pyramids
9.7 Biodiversity
9.8 Natural Resources

🏭 Chapter 10: Pollution and Environmental Problems

10.1 Air Pollution
10.2 Water Pollution
10.3 Soil Pollution
10.4 Noise Pollution
10.5 Solid Waste
10.6 Greenhouse Effect
10.7 Global Warming
10.8 Ozone Depletion
10.9 Acid Rain
10.10 Climate Change

UNIT 5 — FOOD SCIENCE

🍎 Chapter 11: Nutrition and Food Science

11.1 Food and Nutrition
11.2 Carbohydrates
11.3 Proteins
11.4 Fats
11.5 Vitamins
11.6 Minerals
11.7 Water
11.8 Balanced Diet
11.9 Malnutrition
11.10 Food Preservation
11.11 Food Adulteration
11.12 Food Safety

UNIT 6 — INFORMATION TECHNOLOGY

💻 Chapter 12: Computers and Information Technology

12.1 Introduction to Computers
12.2 Hardware and Software
12.3 Computer Memory
12.4 Operating Systems
12.5 Data and Information
12.6 Computer Networks
12.7 Internet
12.8 World Wide Web
12.9 Cybersecurity
12.10 Artificial Intelligence
12.11 Telecommunications
12.12 GPS
12.13 Fiber Optics
12.14 Emerging Technologies

PART II — GENERAL ABILITY

Quantitative Ability • Logical Reasoning • Analytical Reasoning •
Mental Ability

🔢 Chapter 13: Quantitative Ability

13.1 Basic Arithmetic
13.2 Number Systems
13.3 Fractions and Decimals
13.4 Ratios and Proportions
13.5 Percentages
13.6 Averages
13.7 Profit and Loss
13.8 Simple and Compound Interest
13.9 Time, Speed and Distance
13.10 Work and Time
13.11 Algebra
13.12 Linear Equations
13.13 Geometry
13.14 Mensuration
13.15 Probability
13.16 Statistics and Data Interpretation

🧠 Chapter 14: Logical and Analytical Reasoning

14.1 Introduction to Logical Reasoning
14.2 Statements and Conclusions
14.3 Arguments
14.4 Assumptions
14.5 Cause and Effect
14.6 Analogies
14.7 Classification
14.8 Series
14.9 Coding and Decoding
14.10 Direction Sense
14.11 Blood Relations
14.12 Problem Solving
14.13 Decision Making

🧩 Chapter 15: Mental Abilities

15.1 Verbal Ability
15.2 Numerical Ability
15.3 Mechanical Ability
15.4 Spatial Ability
15.5 Perceptual Ability
15.6 Social Ability
15.7 Pattern Recognition
15.8 Mental Calculation
15.9 Speed and Accuracy

🎯 PART III — CSS EXAM PREPARATION

Examination-focused material to convert conceptual knowledge into
CSS-ready preparation.

Chapter 56: CSS GSA Revision Strategy
Chapter 57: Important Scientific Facts
Chapter 58: Important Scientists and Discoveries
Chapter 59: Important Inventions and Inventors
Chapter 60: GSA One-Liner Revision
Chapter 61: Topic-Wise MCQs
Chapter 62: Concept-Based Practice
Chapter 63: CSS GSA Past Paper Practice
Chapter 64: Full-Length Mock Tests

📝 Chapter 63: CSS GSA Past Paper Practice

63.1 Past Paper Questions
63.2 Topic-Wise Past Questions
63.3 Repeated Concepts
63.4 Frequently Tested Areas
63.5 Solved Questions
63.6 Answer Writing Practice

🏆 Chapter 64: Full-Length Mock Tests

Mock Test 01

Mock Test 02

Mock Test 03

Mock Test 04

Mock Test 05

Mock Test 06

Mock Test 07

Mock Test 08

Mock Test 09

Mock Test 10

📖 APPENDICES

Appendix A — GSA Formula Sheet
Appendix B — Scientific Units and Measurements
Appendix C — Important Scientific Instruments
Appendix D — SI Units
Appendix E — Important Scientists and Their Discoveries
Appendix F — Important Inventions and Inventors
Appendix G — Scientific Abbreviations
Appendix H — Important Space Missions
Appendix I — Important Environmental Agreements
Appendix J — Important International Organizations Related to Science and Environment
Appendix K — Important Science & Technology Developments
Appendix L — Glossary of Scientific Terms
Appendix M — CSS GSA One-Liner Revision Notes
Appendix N — 1000+ GSA MCQs
Appendix O — Final 30-Day GSA Revision Plan

🚀 Recommended Study Roadmap

1️⃣

Learn Concepts

Build your scientific foundation.

2️⃣

Understand

Connect concepts with examples.

3️⃣

Practice

Solve MCQs and past-paper questions.

4️⃣

Revise

Use one-liners, formulas and mock tests.

📌 Important Note

The course structure is designed to provide comprehensive CSS GSA
preparation. The conceptual portion follows the syllabus areas,
while the later chapters provide an additional examination layer
including revision, past papers, MCQs and mock tests.

General Science and Ability — CSS 2026

Learn the concepts. Practice the questions. Revise intelligently.
Prepare confidently for the CSS General Science and Ability paper.

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General Science and Ability CSS Course 2026

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