Dichloro-diphenyl-trichloroethane (DDT) is a

Correct answer: (b) Non-biodegradable pollutant

Explanation

DDT (Dichloro-diphenyl-trichloroethane) is an organochlorine insecticide that cannot be broken down into harmless products by natural agents.

It is therefore a non-biodegradable pollutant that persists and accumulates in the environment, leading to its ban in most countries.