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ICSE Class 9 Biology — Important Questions

ICSE Class 9 Biology important questions, chapter by chapter — 805 questions with answers across 19 chapters. Follows the ICSE / ISC syllabus.

How to use this page

Each chapter below has important questions with answers for Class 9 exams. Write your answers out before checking — reading alone doesn't build exam speed.

Chapter-wise Important Questions — 19 Chapters

1

Introducing Biology

43 questions
multiple correct

Which of the following are major branches of science?

multiple correct

Which of the following study structural aspects of organisms?

text answer

Theophrastus is known as the 'Father of ______'.

All 43 questions on Introducing Biology
multiple correct

Which of the following are parts of the cell theory?

true false

The cell membrane is selectively permeable.

text answer

The green pigment in chloroplasts is called ________.

All 42 questions on Cell - The Unit of Life
multiple correct

Which of the following are characteristics of meristematic tissue?

multiple correct

Which of the following are components of xylem?

multiple choice

Epithelial tissue is characterized by:

All 40 questions on Tissues Plant and Animal Tissues

16 more chapters below

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Frequently Asked Questions

Where can I find ICSE Class 9 Biology Important Questions?

This page has important questions for 19 chapters of ICSE Class 9 Biology for the 2026-27 session. Each chapter links to its own page with the full set.

Go through the syllabus first, then work chapter by chapter: learn the ideas, practise questions, and revise with notes and flashcards. Leave time at the end to revise every chapter once more under timed conditions.

Start with the chapters you find hardest and the ones your teacher flags as high-weightage, then cover the rest. Each chapter page lists its important questions with answers.

Browse Important Questions by Chapter

19 chapters

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