Assertion (A): Excessive use of chlorinated synthetic pesticides causes soil and water pollution.

Reason (R): Such pesticides are non-biodegradable.

(i) Both A and R are correct and R is the correct explanation of A.

(ii) Both A and R are correct but R is not the correct explanation of A.

(iii) Both A and R are not correct.

(iv) A is not correct but R is correct

Answers (1)

The answer is the option (i) Both A and R are correct, and R is the correct explanation of A.

Explanation: Pesticides are basically synthetic toxic chemicals with ecological repercussions. Its repeated use gives rise to pests which are resistant to it. Hence, as insect resistance of DDT increases, other organic pesticides like Aldrin and Aieldrin were introduced. Organic toxins and water-insoluble and non-biodegradable.

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