Question

How do pesticides adversely affect the fertility of soil?

• A. By changing the pH of the soil
• B. By increasing the number of soil microorganism
• C. By decreasing the number of soil microorganism
• D. Both A and C

Answer 1

The correct option is D Both A and C

Soil pollution is caused by the addition of substances which decrease its productivity. It is caused by agrochemicals, industrial wastes, municipal wastes etc. It adversely affects the fertility of the soil. Pesticides are used in agricultural practices and these chemicals penetrate into the soil and changes the pH of the soil. Also, pesticides affect the fertility of soil by decreasing the number of soil microorganisms.

Thus, the correct answer is option D.