With reference to food chains in ecosystems, consider the following statements: 1. A food chain illustrates the order in which a chain of organisms feed upon each other. 2. Food chains are found within the populations of a species. 3. A food chain illustrates the numbers of each organism which are eaten by others. Which of the statements given above is/are correct?
A1 only
B1 and 2 only
C1, 2 and 3
DNone
Answer & Solution
Correct answer: A. 1 only
UPSC CSE Prelims 2013 (GS-I, Set A), Q.31. Official answer key: A.
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