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JIPMER 2012
Exam
JIPMER
Year
2012
Subject
Botany
Chapter
Environmental Issues

JIPMER 2012 · Botany · Environmental Issues

Which insecticide is more hazardous to human health?

Which insecticide is more hazardous to human health?

Options

  1. ARotenone
  2. BPyrethrum
  3. CDDT
  4. DHumulin

Correct answer

C. DDT

Step-by-step solution

DDT is the most hazardous, non-biodegradable insecticide, which is fat soluble but insoluble in water. It persists in the environment for a very long period. Being fat soluble, it accumulates in the animal tissues and gets concentrated at different trophic levels of food chain. It each step, DDT is more concentrated. This is also called biomagnification.
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