The correct option is (d) neuromuscular junction.
Explanation:
Clostridium botulinum bacterium causes food poisoning (botulism). Clostridium is an obligate anaerobic endospore-forming Gram positive, rod-shaped bacterium. This bacterium produces an exotoxin which is highly toxic for the synaptic ends of the nerves where it blocks the release of acetylcholine. Later is a chemical necessary for the transmission of nerve impulse across the synapses.
