AIIMS May 2011 – MCQ 89

Which of the following statements regarding DDT is false?
A. Pyrethrum has synergistic action
B. It is a contact poison
C. Immediately kills the prey
D. Residual effect lasts 18 months

Please contribute to the discussion by posting the answer with references and pointing out any errors in the question!

2 Comments

Add a Comment

Your email address will not be published. Comments will be displayed only after moderation.

Read previous post:
AIIMS May 2011 – MCQ 88

Following are larval control measures except? A. DDT B. Paris green C. Gambusia D. Intermittent irrigation Please contribute to the...

Close