A farmer observed drops of water along the margins of leaves of tomato plant, growing in his well-watered field on a winter morning.

i) Name this process.

ii) Give reasons for this occurance.

Dear Student,

The phenomenon that the farmer observed is called guttation. It is the loss of water in its liquid phase from special openings near tip of grass blades and leaves of herbaceous plants This is an effect of root pressure and is observable at night and early morning when rate of evaporation is low.

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