Question

Fruit-ripening hormone is:

• A. Ethylene
• B. Auxin
• C. Gibberellin
• D. Cytokinin

Hint:

Ethylene gas is often used commercially to ripen fruits quickly.

Answer 1

The Correct Option is A

Step 1: Recall.
Ethylene is a gaseous plant hormone responsible for ripening of fruits like bananas and mangoes.
Step 2: Other hormones.
Auxins promote growth, gibberellins stimulate elongation, cytokinins promote cell division.
Step 3: Conclusion.
Thus, the fruit ripening hormone is ethylene.