Assertion :Exotoxins are relased by Gram +ve bacteria causing diseases to animals. Reason: Exotoxins are proteins against whom WBCs react.

Both Assertion and Reason are correct and Reason is the correct explanation for Assertion.

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Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion.

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Assertion is correct but Reason is incorrect.

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Assertion is incorrect but Reason is correct.

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Solution

The correct option is A Both Assertion and Reason are correct and Reason is the correct explanation for Assertion.
Exotoxin is a toxin released by gram +ve bacteria into its surroundings and can cause damage to the host by destroying cells or disrupting normal cellular metabolism.
Exotoxins are released by Gram +ve bacteria causing diseases to animals because exotoxins are proteins against whom WBC of animals reacts to suppress the disease and destroy them.
So, the correct answer is 'Both Assertion and Reason are correct and Reason is the correct explanation for Assertion'.

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