Our Environment
11 Board Biology previous year questions on Our Environment — options free on every question; 1 include the answer & explanation free, the rest unlock with PYQ Pass.
Which of the following is a renewable resource?
Forest
Correct Answer: B — Forest ✅
Explanation:
Renewable resources are those that can be replenished naturally.
Forest can regenerate if managed properly.
Coal and petroleum are non-renewable resources.
Which among the following is a non-biodegradable material ?
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Which of the following constitutes a food chain?
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The chemical showing biomagnification is
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Which forms the first trophic level in food chain ?
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Which of the following is the main component of biogas?
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The chemical which shows biomagnification is
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Primary consumers are called
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What is the percentage of CO2 in the atmosphere ?
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CFC is widely used in
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The main component of domestic gas (LPG) is
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