Question

the roots of potted plant grow towords water what is this response of plants called

Answer 1

The phenomenon of growth of the roots of a plant towards water is termed as positive hydrotropism or just hydrotropism.

Answer 2

Plants have a variety of developmental, physiological, and growth responses to light—sometimes only to particular wavelengths of light.

In many plants, photoperiodism is controlled by the overlap between the day length cue and the plant's internal circadian rhythms.circadian rhythms.