Question

Which statement about auxin is incorrect ?
1] They promote the growth of root.
2] They promote the growth of shoot.
3] They influence the formation of flower and ripening of fruit.
4] They inhibit the growth of root.​

Answer 1

I thik Soo

third one is incorrect

because

Auxins (IAA) are responsible for the functions like:

(a) promotes cell growth and elongation of the plant - In the elongation process, auxin alters the plant wall plasticity making it easier for the plant to grow upwards.

(b) influences rooting formations.

(c) responsible for apical dominance and phototropism.