Mumps is a viral disease caused by the inflammation of which of the following?

Deoxyribonuclease and ribonuclease are secreted by

$A$: Trypsin is secreted in pancreatic juice as trypsinogen.
$R$: Zymogenic forms protect the pancreas from autodigestion.

The enzyme present in saliva is:

Which of the following has the highest $pH$?

Correct the statement given below by choosing the right option shown in the bracket:
Renin is a proteolytic enzyme found in gastric juice in (infants/adults).