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ICSE Class 10 Biology Important Questions
ICSE Class 10 Biology is definitions, well-labelled diagrams and reasoning. These important questions cover the diagrams you must draw, the terms you must define precisely, and the processes you must explain. Chapter-wise, with model answers, aligned to the CISCE latest syllabus syllabus.
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ICSE Class 10 Biology important questions are the chapter-wise questions most likely to appear in the exam, picked from the ICSE Class 10 Biology syllabus and past papers. Classmate AI gives all 14 chapters free, each with a model answer. Pick a chapter below to start.
Syllabus reference (2026–27): CISCE (Council for the Indian School Certificate Examinations)
All 14 chapters — Class 10 Biology
In syllabus order. Open any chapter for its free important questions with model answers.
| Chapter | ICSE Class 10 Biology — Important Questions by chapter |
|---|---|
| Chapter 1 | Cell: The Structural and Functional Unit of Life |
| Chapter 2 | Structure of Chromosomes, Cell Cycle and Cell Division |
| Chapter 3 | Genetics: Some Basic Fundamentals |
| Chapter 4 | Absorption by Roots: The Processes Involved |
| Chapter 5 | Transpiration |
| Chapter 6 | Photosynthesis: Provider of Food for All |
| Chapter 7 | Chemical Coordination in Plants |
| Chapter 8 | The Circulatory System |
| Chapter 9 | The Excretory System (Elimination of Body Wastes) |
| Chapter 10 | The Nervous System and Sense Organs |
| Chapter 11 | Endocrine Glands: The Producers of Chemical Messengers |
| Chapter 12 | The Reproductive System |
| Chapter 13 | Population: The Increasing Numbers and Rising Problems |
| Chapter 14 | Pollution: A Rising Environmental Problem |
Why these Biology questions help
- Neat, correctly labelled diagrams carry easy and reliable marks.
- Precise definitions and keywords are exactly what the scheme rewards.
- Reasoning and function-based questions test understanding, not rote learning.
Class 10 Biology exam tips
- Practise each diagram until you can draw and label it from memory.
- Write definitions in the exact keywords the marking scheme expects.
- Explain processes step by step, using the correct biological terms.
- When a chapter still will not click, let the Classmate AI tutor walk you through it step by step.
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Frequently asked questions
Are ICSE Class 10 Biology important questions free?
Yes. Every chapter's important-questions page for ICSE Class 10 Biology is completely free — no login, no payment.How many chapters are covered in Class 10 Biology?
All 14 chapters of the ICSE Class 10 Biology syllabus have their own important-questions page.Do these follow the latest ICSE Class 10 Biology syllabus?
Yes — every chapter is mapped to the CISCE latest syllabus syllabus for ICSE Class 10 Biology, so nothing is outdated or dropped.How should I use these Biology important questions?
Finish each chapter from your textbook, attempt its important questions on paper, then check the model answers and re-do anything you got wrong.
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