Which of the following is a type of Carbamate pesticide?

Propoxur is categorized as a carbamate pesticide due to its chemical structure and mode of action. Carbamates are a class of insecticides that inhibit the enzyme acetylcholinesterase, which is crucial for proper nervous system function in insects. This interference causes an accumulation of acetylcholine, leading to paralysis and ultimately death of the pest.

In contrast, boric acid functions as a stomach poison and a desiccant but is not classified under carbamates. Metaldehyde acts primarily as a slug and snail bait and has a different mechanism of action that does not involve the inhibition of acetylcholinesterase. Diazinon, while an effective pesticide, belongs to the organophosphate class, which also works by inhibiting acetylcholinesterase but differs chemically and in application from carbamates.

Understanding the classification of pesticides is crucial for safe and effective pest control, as well as for complying with regulatory requirements in pest management practices.