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Discussion

Assertion (A) : DDT has nowadays lost its use as an insecticide.
Reason (R) : DDT is harmful to man.

  • A.Both A and R are true and R is the correct explanation of A.
  • B.Both A and R are true but R is NOT the correct explanation of A.
  • C.
    A is true but R is false.

  • D.Both A and R are false

Answer: B

DDT has lost its use as a insecticide because insects have developed immunity against it.
However, it is true that DDT is harmful to man.

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