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Important Questions

Triple Planetary Crisis

ICSE · Class 9 · Environmental Science

Most important questions from Triple Planetary Crisis for ICSE Class 9 Environmental Science board exam 2026. MCQs, short answer, and long answer questions with marks.

58 questions40 flashcards5 concepts

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58 Questions·
multiple choicemultiple correcttrue false

Sample Questions

1multiple correct
1 marks

Which pollutants are measured by the Air Quality Index?

Show answer

Ground-level ozone, PM2.5, PM10

AQI measures key air pollutants, including ground-level ozone, PM2.5, and PM10. Oxygen is not one of them.

2multiple choice
1 marks

How long is the atmospheric lifespan of carbon dioxide?

Show answer

100-300 years

Carbon dioxide remains in the atmosphere for about 100-300 years.

3multiple choice
1 marks

Which greenhouse gas comes mainly from livestock, rice fields, landfills, and natural gas leaks?

Show answer

Methane

Methane is released from livestock, rice fields, landfills, and natural gas leaks.

4multiple choice
1 marks

Which of the following is a water pollutant?

Show answer

Domestic sewage

Domestic sewage is a water pollutant because it contaminates water bodies with waste from households.

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Frequently Asked Questions

What are the important topics in Triple Planetary Crisis for ICSE Class 9 Environmental Science?
Triple Planetary Crisis covers several key topics that are frequently asked in ICSE Class 9 board exams. Focus on the core concepts listed on this page and practise related questions to build confidence.
How to score full marks in Triple Planetary Crisis — ICSE Class 9 Environmental Science?
Understand the core concepts first, then work through the 58 practice questions available for this chapter. Revise formulas and definitions regularly, and use flashcards for quick recall before the exam.
How many important questions are there in Triple Planetary Crisis?
There are 58 practice questions available for Triple Planetary Crisis. These cover multiple question types including MCQs, short answer, and long answer questions.

Sources & Official References

Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.

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All 11 chapters — ICSE Class 9 Environmental Science Important Questions

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