Class 10

Our Environment question bank (Science)

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Q1.

What are trophic levels? Give an example of a food chain and state the different trophic levels in it.

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Q2.

What is the role of decomposers in the ecosystem?

(A)
They produce energy for the ecosystem.
(B)
They break down complex organic substances into simple inorganic substances.
(C)
They consume primary producers.
(D)
They convert solar energy into chemical energy.
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