Answer:
Option (D).
Explanation:
Pesticide are the chemicals used to kill pests or other harmful organisms. They are mainly used for the safety of agriculture crops.
Pesticides are quiet useful in the agriculture fields but some organisms has shown an inherent degree of pesticide. Pesticide doesnot degrade easily and accumulate in further trophic levels in the environment. Pesticide accumulation leads to the phenomena of biological magnification.
Thus, the correct answer is option (d).
