Our Environment — Practice Quiz
CBSE · Class 10 · Science
Try a 4-question quiz on Our Environment for CBSE Class 10 Science: tap an answer to check it and see why. 59 questions in the full chapter test.
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Quick Quiz: Our Environment
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What is an ecosystem?
Who are the producers in an ecosystem?
What are decomposers?
What percentage of solar energy do green plants typically capture?
Sample Questions
What is a food web?
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A series of branching food chains
A food web shows multiple interconnected food chains where organisms are eaten by multiple other organisms.
What is biological magnification?
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Accumulation of non-degradable chemicals in food chain
Harmful chemicals progressively accumulate at higher trophic levels, with maximum concentration in top-level consumers.
What is the primary function of ozone in the atmosphere?
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Shielding earth from ultraviolet radiation
Ozone in the upper atmosphere protects the earth's surface from harmful ultraviolet radiation.
What are biodegradable substances?
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Substances broken down by biological processes
Biodegradable substances can be decomposed by bacteria, fungi, and other microorganisms.
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Sources & Official References
- NCERT Official — ncert.nic.in
- CBSE Academic — cbseacademic.nic.in
- CBSE Official — cbse.gov.in
- National Education Policy 2020 — education.gov.in
Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.
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