This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Bacteriology, Subject name: Microbiology
All of the following statements about Botulism are true except 
Select and explain. 
A. Botulism is caused by endotoxin, B. Honey ingestion causes infant botulism, C. Constpation is seen, D. Detection of antitoxin in the serum can aid in diagnosis
A: Botulism is caused by endotoxin
Answer: A: Botulism is caused by endotoxin 
Explanation: Clostridium botulinum produces a powerful exotoxin that is responsible for its pathogenicity. Reference: Textbook of Microbiology; Anathanarayan and paniker's; 10th edition; Page no: 269