Question

Starch of guard cells is converted into PEP through

• A. Hydrolysis
• B. Oxidation
• C. Dephosphorylation
• D. Decarboxylation

Answer 1

Answer: (A)

Hydrolysis

(A) Hydrolysis is the breaking of the bond due to reaction with water. Starch in plants is converted into PEP through the breaking of bonds as it reacts with water.

(B) Oxidation is the process of gaining electrons.

(C) Dephosphorylation is the removal of a phosphate group by hydrolysis.

(D) Decarboxylation is the process of removal of the carboxyl group.

So, the correct answer is 'Hydrolysis'.