Unlock All Essential Biology Notes for General Science!

Biology is a key part of General Science in almost every competitive exam like UPSC, SSC, Railways, and State PSCs. To help you master this subject, we’ve created easy-to-understand, exam-focused biology notes covering all important topics.

These notes are perfect for quick revision and smart preparation, from cells and tissues to human systems and plant life. Whether you’re a beginner or revising for the last time, this guide will boost your confidence and scores. Let’s explore the world of living things in the simplest way possible—tailored just for competitive exam aspirants!

This blog post covers links to all essential biology topics in a simple and easy-to-understand way.

NCERT Class VI

Chapter 2: Components of Food [3]

What are Nutrients? – Types and Functions of Nutrients

Water-Soluble Vitamins: Essential Nutrients for a Healthy Body

Vitamins, Source, Chemical Names, and Deficiency disease

NCERT Class VIII

Chapter 10: Sound [1]

Anatomy of the Human Ear: Detailed Overview

NCERT Class X

Chapter 5: Life Processes [2]

Modes of Nutrition in Living Organisms with Chart and Tables

Autotrophic Nutrition: The Self-Sustaining Mode of Nutrition

NCERT Class XI

Chapter 1: The Living World [1]

Diversity in the Living World: Class 11 NCERT Notes

Chapter 2: Biological Classification [1]

Economic Importance of Fungi

Chapter 3: Plant Kingdom [5]

🔺 Rhodophyceae – The Red Algae: Based on NCERT

🔺 Phaeophyceae (Brown Algae) – A Complete Guide

🔺Chlorophyceae (Green Algae) – A Complete Guide

🔺 Algae Classification Notes: A Simple Guide for Competitive Exams

🔺 Understanding Angiosperms: The Flowering Plants

Chapter 4: Animal Kingdom [1]

🔺Phylum – Arthropoda: NCERT Notes

🔺

🔺

Chapter 5: Morphology of Flowering Plants [5]

Types of fruits and their edible parts

Inflorescence: Understanding the Arrangement of Flowers

Phyllotaxy: Arrangement of Leaves on a Stem or Branch

Exploring the Marvels of Plant Anatomy: Understanding the Roles of Different Plant Parts

Download Modification of Stem PDF: General Science Notes

Chapter 6: Anatomy of Flowering Plants [3]

Overview of the Parts of a Flowering Plant: A Quick Guide

Guard Cells: The Tiny Gatekeepers of Plants

Cuticle: A Protective Layer

Chapter 8: Cell: The Unit of Life [14]

Cells: The Unit of Life Complete Overview

An Overview of the Cell

Eukaryotic Cells: Structure, Characteristics, Diagram, Example

Prokaryotic Cells: Discovery, Structure, Functions, and Features

Structure and Function of Nucleus: Biology Notes for Competitive Exam

Cell Theory: The Foundation of Life

Cell Organelles and Biomolecules: Complete Overview (NCERT)

Structure, Components, and Functions of Cell: A Complete Overview

What is a Cell?

Cell Membrane: The Gatekeeper of the Cell

Cell Wall: Structure, Function, and Importance

Endoplasmic Reticulum: The Cell’s Transport System

Vacuoles: Structure, Functions, and Importance

Mitochondria: The Powerhouse of the Cell

Chapter 9: Biomolecules [2]

9 Essential Amino Acids With Types, Description, and Facts

Types of Carbohydrates with Examples and Important Facts: Complete Notes

Chapter 10: Cell Cycle and Cell Division [7]

What is Cytokinesis? Simple Explanation

Telophase in Mitosis & Meiosis: Key Processes Explained Simply!

M Phase – The Most Exciting Part of the Cell Cycle!

Chromosome – The Instruction Book of Life

Anaphase – A Key Stage of Cell Division (Mitosis & Meiosis)

Prophase – The First Step of Mitosis

Metaphase: Complete Summary

Chapter 11: Photosynthesis in Higher Plants [10]

Photosynthesis: Complete Overview Notes

Calvin Cycle Explained: Steps and Importance in Photosynthesis

Process of Photosynthesis: Light and Dark Reaction

Steps Involved in Light Reaction of Photosynthesis With Short Questions

Photosynthesis Formula Equation with Lots of Key Facts

What is Photosynthesis in Biology Short Answer with Explanation

Understanding C3 Plants: A Comprehensive Guide

Ribulose Bisphosphate (RuBP) – An In-Depth Study

Understanding Stomata: Types, Diagram, Function

Types of Pigment in Plants with Examples: Complete Details

Chapter 12: Plant Growth and Development [5]

NCERT 2021-22 Edition

List of Essential Nutrients in Plants: Functional Classification

Essential Nutrients for Plant Growth From Water and Soil

Macronutrients in Plants and Their Functions

Micronutrients for Plant Growth Key Details

Role of Macro – and Micro-nutrients for Plants– NCERT Notes

Chapter 13: Plant Growth and Development [4]

Discovery of Plant Growth Regulators: NCERT Explained

Plant Hormones And Their Functions: Detailed Point-wise Notes

Auxins: The Growth Hormones of Plants

Cytokinins – The Cell Division Hormones in Plants

Chapter 14: Breathing and Exchange of Gases [2]

Anatomy of the Human Respiratory System

Anatomy of Human Respiratory System: In-Depth Notes

Chapter 15: Body Fluids and Circulation [8]

Composition of blood PDF

Natural Killer Cells Role and Importance

White Blood Cells Explained: Types, Functions, and Their Role in Health

Formed Elements in Blood: Explained for Competitive Exams

Haemoglobin: The Oxygen Carrier of Blood

Blood Coagulation – Explained Simply for Competitive Exams

Sickle Cell Anemia – Complete Notes

Cholesterol: The Good, The Bad, and Everything You Need to Know

Chapter 16: Digestion and Absorption [10]

Decoding the Human Digestive System: Notes, Diagrams, and Key Points Revealed

Layers of the Alimentary Canal: NCERT Notes

Parts of the Alimentary Canal, Diagram, Anatomy, and Key Info

Salivary Glands: Types and Function

6 Facts Everyone Should Know About The Liver

Liver: Anatomy, Functions, and Liver Disease Biology Notes

What is the Function of Bile Juice Secreted by the Liver

Large Intestine Overview: Parts, Function, Diagram & More

Small Intestine Overview: Location, Functions, Parts, and Key Points

Pancreas: Location, Diseases, Function, Key Points

Chapter 17: Locomotion and Movement [8]

Human Skeletal System: Diagram, Parts, Functions, Bones & More

Types of Joints in the Human Body with Examples

Types of Movement in Humans: NCERT Notes

Human Arm Skeleton: Key Bones and Functions

Major Bones of the Lower Limb: Based on NCERT

Human Vertebral Column – Explained Simply

Cartilage: What It Is, Function & Types

Anatomy of the Human Skull: Detailed Overview

Chapter 18: Neural Control and Coordination [2]

The Neural System: An Overview

Human Nervous System Definition, Function, Diagnostic Tests & Key Facts

Chapter 19: Chemical Coordination and Integration [7]

What are Hormones? Types, Functions, Important Hormones

What is Acromegaly, and What is the Cause of this Disease?

Adrenal Glands: Function, Hormones, Diagram, and Key Points

What are the Functions of the Pituitary Gland?

Thymus Gland: The Powerhouse of Immunity

Functions of Ovarian Hormones: Key Roles in Female Health

Goiter – Causes, Types, Symptoms & Exam Facts | SSC, UPSC, RRB Notes

NCERT Class XII

Chapter 2: Human Reproduction [1]

The Male Reproductive System: A Simple Guide

Chapter 5: Molecular Basis of Inheritance [3]

Nucleotides: The Building Blocks of Life

Single Strand vs Double Strand: Understanding the Basics

RNA: Structure, Types, Functions and More

Chapter 7: Human Health and Disease [2]

Human Immune System: Immunity, Lymphocytes, Antibody with Diagrams

Disease caused by metals with Previous Year Question

Chapter 12: Ecosystem [1]

🔺Ecosystem: Complete Overview (NCERT)

Conclusion: Keep Exploring Biology!

Biology is an exciting subject that helps us understand the world around us. Whether you’re preparing for SSC, RRB NTPC, UPSC, or state-level exams, having a strong grip on General Science can boost your score significantly!

🔹 Keep revising these notes regularly 🔹 Use diagrams and flowcharts for better understanding 🔹 Stay curious and keep exploring nature!

💡 Remember: Science is all about asking questions. Keep learning and enjoy the journey of discovering life! 🚀

Did you find this guide helpful? Share it with your friends and stay tuned for more informative posts on gkbooks.in! 📚✨

Share This:
Ads Blocker Image Powered by Code Help Pro

Ads Blocker Detected!!!

We have detected that you are using extensions to block ads. Please support us by disabling these ads blocker.

Powered By
100% Free SEO Tools - Tool Kits PRO