Guttation is the result of:

Options

(a) diffusion
(b) transpiration
(c) osmosis
(d) root pressure

Correct Answer:

root pressure

Explanation:

The main cause of guttation in plants is root pressure. During night when root pressure is high soemetimes due to this high pressure watery drops ooze out with the assistance of special structures which help in guttation callled hydathodes.