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What does a protoplasmic poison do to an insect?

AInactivates respiratory enzymes

BCauses precipitation of protein

CInhibits impulse conduction

DPrevents moisture retention

Answer:

B. Causes precipitation of protein

Read Explanation:

  • Protoplasmic poison - The toxicant causes precipitation of protein

  • Eg: Arsenicals

  • Respiratory poison - Pesticide or toxicant inactivates respiratory enzymes

  • Eg: Hydrogen cyanide


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