NDA Biology Notes – Chapter-wise with PYQs
Get NDA Biology Notes chapter-wise with clear explanations, labelled diagrams, and previous year questions. Best suited for NDA Foundation and NDA Target aspirants.
CONTENTS
• Cell Structure and Functions
• Nutrition in Humans and Plants
• Human Digestive System
• Respiratory System
• Circulatory System
• Excretory System
• Nervous System
• Reproductive System
• Health and Diseases
• Microorganisms
• Plant Physiology
• Photosynthesis
• Human Skeleton
• Genetics & Heredity
• Environment & Ecosystem
• Human Eye & Sense Organs
Why Use JOVIK Defence Prep Notes for NDA?
NDA Biology Notes – Concepts, Diagrams & PYQs
The NDA examination’s biology section is one of the simplest among the science segments. Marks can easily be acquired in it by maintaining the correct format of notes that run parallel to the syllabus and by having a clear understanding of the concepts involved, even if one is from a non-science background.
If you are either a Class 11/12 student or doing full-time NDA prep, these notes are tailored to you. And if you’re doing both, they’re even more relevant! You’ll see why in a minute.
Chapters Covered in NDA Biology
The NDA syllabus forms the basis of the notes we provide. Since the NDA is competitive and tests certain essential aspects, we have meticulously followed its structure. Moreover, these notes are not just mere summaries but extremely elaborate and comprehensive explanations of certain chapters. Also, we have rendered the high-weightage topics that are always seen in the NDA in a lucid manner. You will be able to grasp them thoroughly.Chapters Covered in NDA Biology
Our notes follow the NDA syllabus and cover high-weightage topics:
- Cell Structure and Functions – Basic unit of life, cell organelles
- Nutrition in Plants & Humans – Autotrophic and heterotrophic nutrition
- Digestive System – Organs, enzymes, and digestion process
- Respiratory System – Breathing mechanism, lungs, gas exchange
- Circulatory System – Heart, blood, blood vessels
- Excretory System – Kidney function, urine formation
- Nervous System – Brain, spinal cord, reflex action
- Reproductive System – Male & female system, fertilization
- Health and Diseases – Types of diseases, prevention, common terms
- Microorganisms – Useful and harmful microbes
- Plant Physiology – Transport, transpiration, plant growth
- Photosynthesis – Process, equation, light & dark reactions
- Human Skeleton – Bone structure and important joints
- Genetics – Mendel’s laws, traits, heredity basics
- Ecosystem and Environment – Components, food chains
- Sense Organs – Eye, ear, tongue, nose, skin
Each chapter contains:
- ✅ Simplified explanations
- ✅ Important diagrams
- ✅ Concept maps
- ✅ PYQs asked in NDA over the years
Why JOVIK Biology Notes Work
- Visual Learning – Includes labeled diagrams and flowcharts
- 100% syllabus based – No filler content
- PYQ-aligned – Questions asked again and again
- Easy revision – Great for last-minute scanning
- Foundation + Target friendly – Works for all levels
Who Should Use These Notes?
- Class 11 & 12 students preparing NDA with school
- Dropper aspirants revising Biology quickly
- Arts/Commerce students who want to cover basics
- Aspirants doing self-study
How to Use NDA Biology Notes
- Start with Human Body chapters (they’re asked often)
- Use diagrams to aid memory
- Revise concepts using flowcharts
- Practice previous year Biology MCQs
- Avoid mugging — understand the logic
Final Words
The NDA exam presents a unique opportunity to excel in Biology without the necessity of mathematical skills. Our free Biology notes for the NDA exam—provided by JOVIK Defence Prep—boil down the dense material into just the key chapters, visuals, and previous years’ questions. They come in a straightforward, easy-to-use format.
Commence with Human Digestive System or Sense Organs—two of the topics in NDA Biology that are asked about the most.
Additional Resources
For detailed syllabus and official exam updates, you may visit:
Frequently Asked Questions
Yes, all our notes are 100% free and accessible online — no signup or download required.
Yes, important labelled diagrams are included for better retention.
These notes cover the full UPSC NDA Biology syllabus and are ideal for concept clarity and revision. For full prep, combine with mock tests.
Yes, these notes are written in simple language and are perfect for students preparing with Class 11 or 12.
The notes are reviewed and updated after each NDA exam cycle to reflect changes in trends or patterns.
We have integrated PYQs within each chapter. You can also visit our dedicated PYQ section.
We regularly update the notes after every NDA exam cycle, incorporating new trends, question patterns, and current affairs where relevant.
Biology is not mandatory to be eligible for the NDA exam, but questions from Biology are asked in the General Ability Test (GAT) section. So, even PCM students should prepare basic Biology for better scoring.
Yes. Even if you’re from a Mathematics background, Biology contributes 10–15 questions in the GAT paper. You can use short notes and previous year questions to prepare the high-weightage chapters efficiently.
