Statement I: Adenosine deaminase (ADA) enzyme is crucial fo…

Biology Biotechnology and Its Application Statement Based Questions Single Correct MCQ

Published on: August 21, 2026

Statement I: Adenosine deaminase (ADA) enzyme is crucial for the immune system to function.

Statement II: Adenosine deaminase (ADA) deficiency disorder is caused due to the addition of the gene for adenosine deaminase.

Both statements are correct

Statement I is correct & II incorrect

Statement I is incorrect & II is correct

Both statements are incorrect

Text Solution

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The correct answer is:

Statement I: Correct → ADA (Adenosine Deaminase) is essential for proper functioning of the immune system, and its deficiency causes SCID.

Statement II: Incorrect → ADA deficiency is caused by the absence or defect of the ADA gene, not by addition of the gene.

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