Question

Study the four statements (i - iv) given below and select the two correct ones out of them.
(i) A lion eating a deer and a sparrow feeding on grains are ecologically similar in being consumers.
(ii) Predator star fish helps in maintaining species diversity of some invertebrates.
(iii) Predators ultimately lead to the extinction of prey species.
(iv) Production of chemicals such as nicotine, strychnine by the plants are metabolic disorders.
The two correct statements are

• A. (ii) and (iii)
• B. (ii) and (iv)
• C. (i) and (iv)
• D. (i) and (ii)

Answer 1

The correct option is D (i) and (ii)

(i) A lion eating a deer and a sparrow feeding on grains are ecologically similar in being consumers.

(ii) Predator star fish helps in maintaining species diversity of some invertebrates.

(iii) Predators lead to the control of prey species.

(iv) Production of chemicals such as nicotine, strychnine by the plants are metabolic defence mechanism.

So the correct option is '(i) and (ii)