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Chapter 2 of 11
Practice Quiz

Natural Processes and Biogeochemical Cycles

ICSE · Class 9 · Environmental Science

Practice quiz for Natural Processes and Biogeochemical Cycles — ICSE Class 9 Environmental Science. MCQs and questions with answers to test your preparation.

65 questions52 flashcards5 concepts

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Quick Quiz: Natural Processes and Biogeochemical Cycles

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1

What is photosynthesis?

2

Photosynthesis takes place in which cell organelle?

3

Which pigment absorbs sunlight for photosynthesis?

4

Which gas is released during photosynthesis?

65 Questions·
multiple choicemultiple correct

Sample Questions

1multiple choice
1 marks

Excess glucose in plants is stored as what?

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Starch

Excess glucose formed in photosynthesis is stored in plants as starch.

2multiple choice
1 marks

What is decomposition?

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The breakdown of dead plants, dead animals, and organic waste into simpler inorganic substances by microorganisms

Decomposition is the breakdown of dead organic matter by bacteria and fungi into simpler inorganic substances.

3multiple choice
1 marks

Which microorganisms are mainly responsible for decomposition?

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Bacteria and fungi

Bacteria and fungi are decomposers that break down dead organic matter.

4multiple choice
1 marks

Which is the first stage of decomposition?

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Fragmentation

Fragmentation is the first stage of decomposition, where detritivores break dead matter into smaller pieces.

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Frequently Asked Questions

What are the important topics in Natural Processes and Biogeochemical Cycles for ICSE Class 9 Environmental Science?
Natural Processes and Biogeochemical Cycles 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 Natural Processes and Biogeochemical Cycles — ICSE Class 9 Environmental Science?
Understand the core concepts first, then work through the 65 practice questions available for this chapter. Revise formulas and definitions regularly, and use flashcards for quick recall before the exam.

Sources & Official References

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

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