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10th CBSE
IMPORTANT
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Do autotrophs constitute the first trophic level in an ecosystem?

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Important Questions on Question Bank

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10th CBSE
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Are herbivores the secondary consumers? 

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Can the flow of energy be bidirectional?
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The green plants in a terrestrial ecosystem capture about 1% of the energy of sunlight. 

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Can we say that there is a progressive increase in energy level in successive trophic levels?
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Does the accumulation of non-biodegradable pesticides in the food chain result in biological magnification?

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Is it true that ozone, the deadly poison it is, shields the surface of the earth from UV radiation?

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Do carnivores that feed upon herbivores belong to the second trophic level?

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 Forests are artificial ecosystems.