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ICSE Class 10 Biology Important Questions
ICSE Class 10 Biology asks you to draw accurately, define precisely and reason through processes — often all three in the same question. These important questions are chosen to cover exactly that mix. Chapter-wise, with model answers, aligned to the CISCE 2026–27 syllabus.
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Quick answer
ICSE Class 10 Biology important questions are chapter-wise practice questions on the core ideas of the ICSE Class 10 Biology syllabus, in the question formats used in the exam. 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 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 | Human EvolutionComing soon |
| Chapter 14 | Population: The Increasing Numbers and Rising Problems |
| Chapter 15 | 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 2026–27 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.
Master Class 10 Biology — free
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