1.

Drawback of DDT as pesticide isA. It becomes ineffective after some timeB. It is less effective than othersC. It is not easily /rapidly degraded in natureD. Its high cost

Answer» Correct Answer - C
DDT is non-degradable and so accumulates in the environment and it pass from organisms of one trophic level to another resulting into highest concentration in man.


Discussion

No Comment Found

Related InterviewSolutions