Question

Which of the following group of organisms are not constituents of a food chain?

1. grass, lion, rabbit, wolf
2. plankton, man, fish, grasshopper
3. wolf, grass, snake, tiger
4. frog, snake, eagle, grass, grasshopper

Options

• (i) and (iii)

• (iii) and (iv)

• (ii) and (iii)

• (i) and (iv)

Answer 1

(ii) and (iii)

Explanation:

A food chain is a sequence of living organisms in a community or ecosystem, in which one organism is consumed the other.