The root of a plant is:

Options -

(i) positively phototropic but negatively geotropic

(ii) positively geotropic but negatively phototropic

(iii) negatively phototropic but positively hydrotropic

(iv) negatively hydrotropic but positively phototropic

A big tree falls in a forest but its roots are still in contact with the soil. The branches of this fallen tree grow straight up (vertically). This happens in response to

Which of the following is not caused by a growth movement?

The main function of the plant hormone called abscisic acid is to:

The growth of tendrils in pea plants is due to the: