Which toxin category is associated with toxins from bacteria?

• A. Mycotoxins
• B. Bacterial
• C. Algal
• D. Plant

Answer: (B)

Toxin categories are named by the source organisms that produce them. Toxins from bacteria are categorized as bacterial toxins because they originate in bacterial species. This includes exotoxins that bacteria secrete, like botulinum toxin and diphtheria toxin, as well as endotoxins that come from the bacterial cell itself, such as lipopolysaccharide from Gram-negative bacteria.

Distinguishing the source helps you connect the toxin to likely exposure and effects: mycotoxins come from fungi, algal toxins come from algae, and plant toxins come from plants. So when a toxin is described as bacterial, you’re signaling its origin in bacteria, which guides understanding of how people might encounter it and how to mitigate risk.