Assertion: Exotoximare are released by Gram +ve bacteria wh…

Biology Biological Classification Single Correct MCQ

Published by: CGP EDU Academic Team

Published on: August 20, 2026

Assertion: Exotoximare are released by Gram +ve bacteria which cause disease in animals

Reason: Exotoxins are proteins to whose response WBC of animals react

Both Assertion and Reason are true and Reason is correct explanation of Assertion.

Both Assertion and Reason are true, but Reason is not the correct explanation of Assertion.

Assertion is true, but Reason is false.

Assertion is false, but Reason is true.

Text Solution

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The correct answer is:

Assertion is true: Exotoxins are released mainly by Gram-positive bacteria and can cause diseases in animals.

Reason is also true: Exotoxins are protein in nature, and they are recognized by the animal immune system, so WBCs respond to them.

Since exotoxins are proteins and strongly trigger immune (WBC) response, the reason correctly supports the assertion.

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