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.
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Quick Quiz: Natural Processes and Biogeochemical Cycles
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What is photosynthesis?
Photosynthesis takes place in which cell organelle?
Which pigment absorbs sunlight for photosynthesis?
Which gas is released during photosynthesis?
Sample Questions
Excess glucose in plants is stored as what?
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Starch
Excess glucose formed in photosynthesis is stored in plants as starch.
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.
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.
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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