MCQ
Guttation is caused due to:
  • A
    Imbibition
  • B
    Osmosis
  • Positive root pressure
  • D
    Transpiration

Answer

Correct option: C.
Positive root pressure
Guttation is the loss of water in liquid form as a dilute solution from uninjured leaf tips.
The uninjured leaf tips have hydathodes or water stomata. Under conditions of low transpiration dilute solution of minerals oozes out through them under the influence of increased root pressure.

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