Transport in Plants Question 33
33. Guttation is mainly due to
(a) root pressure
(b) osmosis
(c) transpiration
(d) imbibition
Show Answer
Answer : a
Hints & Solutions
(a) Loss of water from margins of leaves is called guttation. Guttation occurs when transpiration rate is very low as compared to rate of water absorption. Thus root pressure is developed and water is pushed out through stomata like pores called hydathodes. It occurs in more saturated atmosphere.
