Question

Which of the following plant growth response is primarily due to the action of auxins?

• A. Cell elongation
• B. Leaf abscission
• C. Cell division
• D. Fruit development

Answer 1

Answer: (A)

Cell elongation

Auxin has the following function in plants:-

1. Cell elongation.
2. Abscission.
3. Apical dominance.
4. Cell division.
5. Xylem differentiation.

But its main function is the cell elongation of the shoot and root and promotes cell enlargement.

So the correct option is 'Cell elongation'.