Q50 With reference to food chains in ecosystems, consider the following statements:

i) A food chain illustrates the order in which a chain of organisms feed upon each other.

ii) Food chains are found within the population of a species.

iii) A food chain illustrates the numbers of each organism which are eaten by others.

Which of the statements given above is / are correct?

a) i only

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b) i, ii only

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c) ii, iii only

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d) None

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Solution

The correct option is A
a) i only

50 Ans A

Explanation: A food chain is a linear sequence of organisms through which nutrients and energy pass as one organism eats another. In a food chain, each organism occupies a different trophic level, defined by how many energy transfers separate it from the basic input of the chain

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