A) Morning
B) Noon
C) Evening
D) Morning 10 a.m.
Correct Answer: A
Solution :
The effects of root pressure is also observable at night and early morning when evaporation is low, and excess water is collected in the form of droplets around special openings of veins near the tip of grass blades and leaves of many herbaceous parts. Such water loss in its liquid phase is known as guttation.
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