While going to school, one day Aditi observed drops of water at the tips of leaves of some herbaceous plants. She became curious and wanted to know more about the phenomenon . She asked to her biology teacher the following questions. Give answer to these questions. a) What is the phenomenon called ? b) Why do such drops appear only during early morning ? c)What physiological process is responsible for this phenomenon ?

a) This phenomena is called guttation 

b)Such droplets occur in early morning dur to ,effects of root pressure is observable at night and early morning when evaporation is low, and excess water collects in the form of droplets around special openings of veins near tips of the grass blades,and leaves of many herbaceous parts.

c)Root pressure is responsible for this phenomenon.

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