Which of the following hormones is produced under conditions of stress and stimulates glycogenolysis in the liver of human beings?

Which one of the following does not correctly match with each other?

The enzyme $Pepsin$ hydrolyzes which of the following?

$CH_2OOCR' \newline | \newline CHOOCR'' \newline | \newline CH_2OOCR'''$ $\xrightarrow[\text{Hydrolysis}]{\text{Enzyme}} CH_2OH \newline | \newline CHOH \newline | \newline CH_2OH + R'COOH + R''COOH + R'''COOH$
The enzyme used in the above reaction is:

Assertion : Activity of an enzyme is $pH$ dependent.
Reason : Change in $pH$ affects the solubility of enzyme in water.

Insulin production and its action in the human body are responsible for regulating blood sugar levels. To which of the following categories does this compound belong?