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Question

Lysozyme is found in


A

Tears

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B

Saliva

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C

Mitochondria

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D

Both A and B

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Solution

The correct option is D

Both A and B


The correct option is D.

Explanation of correct option

  1. Lysozyme is an enzyme present in bodily secretions such as tears, saliva and it functions as an antimicrobial agent
  2. It is a part of the immunity called innate immunity that you get by birth itself.

Explanation of incorrect option

Option A

Lysozyme is present in tears as an antimicrobial agent that helps in the breakdown of peptidoglycan. But it is present not only in tears.

Option B

Lysozyme is present in saliva as an antimicrobial agent that prevents the entry of microbes. But it is not only present in saliva.

Option C

Lysozyme enzyme is absent in mitochondria.

Final answer : Lysozyme is found in both tears and saliva.


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