Q.109
Chloropicrin is an example of
EXPLANATION
Chemical Control, Nematicides (Organophosphates, Carbamates, Fumigants) & Mode of Action
- Toxicological Classification of Chloropicrin:
- Chemical Profile: Chloropicrin (trichloronitromethane, $\text{CCl}_3\text{NO}_2$) is a heavy, broad-spectrum soil fumigant nematicide and tear gas.
- Mode of Action: It acts primarily as a respiratory poison. Upon inhalation/absorption, it reacts irreversibly with sulfhydryl ($-SH$) groups of critical respiratory dehydrogenases and mitochondrial enzymes, shutting down cellular respiration and energy production in nematode cells.
- Conclusion: Chloropicrin is an example of a respiratory poison (Option 3).
Correct option: (3) Respiratory poisons
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