Class 9 CBSE Science — Important MCQs with Answers
15 chapters · 1650 practice questions
Practise Class 9 Science chapter by chapter, all in one place. Every question follows the latest NCERT syllabus and the chapters your school teaches, in the same order. Class 9 moved to the new NCF-2023 NCERT book “Exploration” for 2026-27, and every chapter here follows that book — not the old syllabus. There are 159 timed quizzes made from 1,650 practice questions across 15 chapters. Easy builds confidence, Medium makes it stick, and Hard pushes you toward full marks in your board years.
To score well in Class 9 Science, focus on clear concepts in physics, chemistry and biology basics. Each chapter on XamBaaz has timed Easy, Medium and Hard quizzes, several of each and never the same set twice. Marking is exam-style: +4 for a right answer, −1 for a wrong one, 0 for a skip. Every question has a one-line explanation, so you learn why an answer is right, not just which option.
Start with any chapter. Popular picks include Cell: The Building Block of Life, Tissues in Action, Describing Motion Around Us, right through to Earth as a System: Energy, Matter, and Life. Go chapter by chapter and watch your accuracy rise. Then sit the Class 9 Science Subject Mastery Test, part of Pro — a 30-question, 60-minute mock on the whole syllabus, set like a board paper.
Class 9 Science has 3 parts: Physics, Chemistry and Biology. The chapters below are grouped the same way. Revise Physics (4 chapters), Chemistry (3 chapters), Biology (4 chapters) one part at a time, just as your school teaches them and your board paper splits them.
Practice is free to try, with no credit card and no app to install. Sign in with Google and your progress, streaks and XP save on every device. Revise Class 9 Science on your phone between classes and pick up where you left off.
Each chapter opens with free Key Concepts revision notes — a quick overview, the core concepts defined and key formulas — so you can revise Class 9 Science before you practise. Open any chapter below to read its notes and try sample questions.
Class 9 Physics — 4 chapters
Class 9 Chemistry — 3 chapters
Class 9 Biology — 4 chapters
More Class 9 Science chapters
Class 9 Science practice — FAQs
Which chapters are in Class 9 Physics?+
Class 9 Physics has 4 chapters — Describing Motion Around Us, How Forces Affect Motion, Work, Energy, and Simple Machines, Sound Waves: Characteristics and Applications. Each one has its own free notes and timed Easy, Medium and Hard MCQ sets on this page.
Which chapters are in Class 9 Chemistry?+
Class 9 Chemistry has 3 chapters — Exploring Mixtures and their Separation, Journey Inside the Atom, Atomic Foundations of Matter. Each one has its own free notes and timed Easy, Medium and Hard MCQ sets on this page.
Which chapters are in Class 9 Biology?+
Class 9 Biology has 4 chapters — Cell: The Building Block of Life, Tissues in Action, Reproduction: How Life Continues, Patterns in Life: Diversity and Classification. Each one has its own free notes and timed Easy, Medium and Hard MCQ sets on this page.
Which NCERT book does the Class 9 Science practice follow?+
Class 9 moved to the new NCF-2023 NCERT book “Exploration” for 2026-27, and every chapter here follows that book — not the old syllabus.
Is the Class 9 Science practice on XamBaaz free?+
Yes. Sign in with Google to start practising Class 9 Science free, with no credit card. Full unlimited access is ₹999. One year from the day you pay. You stay in Class 9 till 31 March; on 1 April your account moves up to Class 10 and the rest of your year carries over. No chapter is sold separately.
Are these Class 9 Science questions aligned to NCERT?+
Yes. Every Class 9 Science question follows NCERT and is matched to its exact chapter and topic. It is good practice for CBSE Board exams and the JEE & NEET foundation years.
How many Class 9 Science practice questions are there?+
There are 1,650 questions across 15 chapters of Class 9 Science, making 159 timed quizzes. They are split into Easy, Medium and Hard, each with an instant explanation.
Does XamBaaz have a full Class 9 Science mock test?+
Yes. The Class 9 Science Subject Mastery Test is part of Pro. It is a 30-question, 60-minute mock on the whole syllabus, with exam-style negative marking.
Where can I find important Class 9 Science questions chapter-wise?+
Each chapter above is a set of the most important Class 9 Science questions, split into Easy, Medium and Hard. Open a chapter to read its Key Concepts notes and try some solved sample questions. Then sign in free to start practising, with answers and solutions.
Test yourself on the whole subject
Finish the chapters free, then sit the Class 9 Science Subject Mastery Test with Pro — a 30-question mock marked like an exam.
Start practising free →Keep going
Science in other classes
Where this leads: senior-year sciences
Other Class 9 subjects
Also try board mock papers · CBSE exam guide.
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