Question

An amylase is a positive catalyst present in saliva which converts starch into maltose.

• A. True
• B. False

Answer 1

The correct option is A

True

A catalyst is a substance which alters the rate of the chemical reaction without itself undergoing any chemical change. It is of two types:

(a) Positive catalyst- Catalyst which increases the rate of the reaction.

(b) Negative catalyst- Catalyst which decreases the rate of the reaction.

An amylase is a biocatalyst present in the saliva. It acts as a positive catalyst and speeds up the reaction of the conversion of starch into maltose.