Which of the following is a toxin?

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Get ready for the Bioenvironmental Engineering Apprentice Block 12 Exam. Enhance your skills with our comprehensive flashcards and multiple choice questions, all accompanied by hints and explanations. Master your exam today!

Multiple Choice

Which of the following is a toxin?

Explanation:
A toxin is a poisonous substance produced by a living organism. That’s why substances like botulinum toxin from bacteria, snake venom, or plant toxins such as ricin fit the definition. They originate in living organisms and cause harm. The other descriptions describe things that are either not toxins by origin (a disease-causing microorganism is a pathogen, not the toxin itself), or are manufactured chemicals (synthetic pesticides), or substances that are inert and not toxic. So the statement that matches best is poisonous substances derived from living organisms.

A toxin is a poisonous substance produced by a living organism. That’s why substances like botulinum toxin from bacteria, snake venom, or plant toxins such as ricin fit the definition. They originate in living organisms and cause harm. The other descriptions describe things that are either not toxins by origin (a disease-causing microorganism is a pathogen, not the toxin itself), or are manufactured chemicals (synthetic pesticides), or substances that are inert and not toxic. So the statement that matches best is poisonous substances derived from living organisms.

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