Question

How does auxin promote growth of tendrils in plants?

Answer 1

Answer:Due to apical dominance.

Explanation:

The phenomenon of suppression of growth of lateral buds by apical buds is called apical dominance. Auxins promote apical dominance.

Answer 2

Answer:

Explanation:

Auxin is plant hormone which is synthesized at the tip of the shoot. It helps the cell grow longer. When a tendril comes in contact with a support, auxin stimulates faster growth of the cells on the opposite side that's why the tendril forms a coil around the support.