When an apple is cut, the exposed part begins to turn brown…

Chemistry Biomolecules General Single Correct MCQ

Published on: August 14, 2026

When an apple is cut, the exposed part begins to turn brown. Often the browning action can be arrested by adding a few drops of lemon juice to the exposed area. The basis for this treatment is:

lemon juice is an antioxident.

denaturation of proteins of the enzymes.

decolourization due to lemon juice.

activation of decolourizing enzymes under acidic medium.

Text Solution

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The correct answer is:

Lemon juice is easily oxidised than Fe 2+ in apple.

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