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CBSE Class 8 Science — Important Questions

CBSE Class 8 Science important questions, chapter by chapter — 671 questions with answers across 13 chapters. Follows the CBSE syllabus.

How to use this page

Each chapter below has important questions with answers for Class 8 exams. Write your answers out before checking — reading alone doesn't build exam speed.

Chapter-wise Important Questions — 13 Chapters

multiple correct

Which symbols represent the balance needed in scientific investigation?

true false

Investigation in science means only asking simple questions.

multiple correct

Which of these are things we can control when experimenting with puris?

All 44 questions on Exploring the Investigative World of Science
multiple correct

Which of the following are main parts of a cell?

true false

Microorganisms are visible to the naked eye.

multiple choice

What is the correct sequence of biological organization?

All 45 questions on The Invisible Living World: Beyond Our Naked Eye
multiple correct

Which of the following are examples of communicable diseases?

multiple correct

Which habits contribute to maintaining good health?

true false

Diabetes is a non-communicable disease.

All 45 questions on Health: The Ultimate Treasure

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Frequently Asked Questions

Where can I find CBSE Class 8 Science Important Questions?

This page has important questions for 13 chapters of CBSE Class 8 Science 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

13 chapters

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