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1.

Botulism caused by Clostridium botulinum affectsA. lymph glandsB. intestineC. neuromuscular junctionD. spleen

Answer» Correct Answer - C
Clostridum botulinum (=Bacillus botulinus) is a gram positive obligate anaerobic, spore forming, rod shaped bacterium. It secretes a strong neurotoxic exotoxin which binds to motor neurons and prevents release of acetylcholine at motor junction causing vomiting and ocular and pharygeal paralysis.