Q.

The Adenosine deaminase deficiency results into:                        [2021]

1 Addison’s disease  
2 Dysfunction of immune system  
3 Parkinson’s disease  
4 Digestive disorder  

Ans.

(2)

Adenosine deaminase deficiency (ADA) caused due to deletion of the gene for enzyme adenosine deaminase causes SCID which results in dysfunctioning of immune system.