Among pollutants which has the most lasting effect A) Carbon monoxide B) Pesticides C) Sulphur dioxide D) Smoke from chimnery
Option B) The pesticides have remarkably increased the production of crops and reduce the crop loss due to the insects, rodents, unwanted weed. The pesticides have benefitted in economic terms but pesticides have serious health implications, the use of pesticides have made insects resistant of them, they show property of not easily decomposing and hence accumulate in soil increasing the soil acidification. Washing of these chemicals by rainfall pollute water bodies and they remain insoluble in water. On consumption, these chemicals move higher in the food chain and cause vector-borne diseases.
