Question

Artificial ripening of fruits is carried out by

• A. Auxin
• B. Gibberellin
• C. Abscisic acid
• D. Ethylene

Answer 1

The correct option is D

Ethylene

The correct option is D

Explanation of the correct option:

1. Ethylene is a small hydrocarbon gas as well as a phytohormone.
2. Some fruit will produce ethylene as ripening begins.
3. Apples and pears are examples of fruit that produce ethylene with ripening.
4. Ethylene is responsible for the changes in texture, softening, color, and other processes involved in ripening.
5. Ethylene gas is used commercially to ripen tomatoes, bananas, pears, and a few other fruits postharvest.

Explanation of the incorrect options:

Option A

Auxin induces cell division, differentiation, and elongation.

Option B

Gibberellins are plant growth regulators that facilitate cell elongation, and help plants to grow taller.

Option C

Abscisic acid is the growth inhibitor hormone in plants.

Final answer: Artificial ripening of fruits is carried out by Ethylene.