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ICSE Class 9 Environmental Science — Important Questions 2026

Most important questions for ICSE Class 9 Environmental Science board exam 2026. Chapter-wise questions with marking scheme and expected topics.

Quick Summary

This page covers the most important questions for ICSE Class 9 Environmental Science board exam 2026, based on previous year question papers and expected topics. Focus on these for maximum marks.

How to Use Important Questions

  1. Start with high-weightage chapters — focus on chapters that carry the most marks in the exam.
  2. Practice writing answers — don't just read; write out answers within the time limit to build speed.
  3. Cross-reference with syllabus — ensure every chapter is covered by checking the syllabus page.
  4. Revise with notes — after practising, use revision notes for quick recap before the exam.

Chapter-Wise Important Questions — 11 Chapters

Focus on high-weightage chapters first. Each chapter below lists the types of questions frequently asked in ICSE board exams.

1

Overview of the Environment Around Us

57 questions
multiple correct1 marks

Which of the following are part of the hydrosphere?

multiple correct1 marks

Which of the following are included in the cryosphere?

multiple choice1 marks

Which sphere is the narrow zone where life exists?

multiple correct1 marks

Which of the following are abiotic components?

+53 more questions — practice in Super Tutor

2

Natural Processes and Biogeochemical Cycles

65 questions
multiple choice1 marks

Excess glucose in plants is stored as what?

multiple choice1 marks

What is decomposition?

multiple choice1 marks

Which microorganisms are mainly responsible for decomposition?

multiple choice1 marks

Which is the first stage of decomposition?

+61 more questions — practice in Super Tutor

3

Biodiversity

57 questions
multiple correct1 marks

Which three are the main types of biodiversity?

true false1 marks

Genetic diversity refers to variation in genes within a single species or population.

multiple correct1 marks

Which of the following are causes of genetic diversity?

true false1 marks

Species richness means the total number of different species found in an area.

+53 more questions — practice in Super Tutor

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Frequently Asked Questions

Where can I find ICSE Class 9 Environmental Science Important Questions?

This page provides important questions for ICSE Class 9 Environmental Science for the 2026 board exam. For chapter-by-chapter study help including summaries, quizzes, and flashcards, try Super Tutor.

Environmental Science is one of the scoring subjects in ICSE Class 9 if prepared well. Focus on understanding concepts, practising problems regularly, and revising key formulas. Most students who follow a structured study plan score above 80%.

Start by understanding the complete syllabus. Then focus on important questions from each chapter. Use revision notes for quick review before exams. Follow a study plan that covers all chapters with dedicated revision time.

The question paper distribution varies each year, but certain chapters consistently carry more marks. Check the marks distribution section above for chapter-wise weightage based on previous year patterns.

Browse Important Questions by Chapter

11 chapters available

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