Which one of the following is a carbamate pesticide?

Answer: Option A

Aldicarb is a carbamate pesticide.
Aldicarb is a carbamate insecticide which is the active substance in the pesticide Temik. It is effective against thrips, aphids, spider mites, lygus, fleahoppers, and leafminers, but is primarily used as a nematicide.
Aldicarb is a cholinesterase inhibitor that prevents the breakdown of acetylcholine in the synapse.