An 18 year old male presented with acute onset descending paralysis of 3 days duration. There is also history of blurring of vision for the same duration. On examination, the patient has quadriparesis with areflexia. Both the pupils are non-reactive. The most probably diagnosis is ?
Ans. is 'b' i.e., Botulism
Poliomyelitis
Botulism
Diphtheria
Porphyria