Water droplets are seen along the leaf margins of herbaceous plants during an early morning, when evaporation is low. This phenomenon is termed ________.

Transpiration

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Evaporation

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Exudation

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Guttation

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Solution

The correct option is D
Guttation

The loss of water in the form of droplets through hydathodes, specialized pores present on the leaf margins and the apex is known as guttation. When the rate of transpiration is low, like an early morning, root pressure causes excess water to exude out of hydathodes.

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Similar questions

The loss of water as water vapour from the aerial parts of a plant is known as

(a) evaporation (b) perspiration

Name the following :

(a) Openings on the stem through which transpiration occurs.

(b) The process by which the intact plant loses water in the form of droplets.

(d) A plant in which the stomata are sunken.

(e) The apparatus to record the rate of transpiration in a cut shoot.

(f) Any two parts of a leaf which allow transpiration.

(g) The structure in a leaf that allows guttation.

(h) Loss of water as droplets from the margins of certain leaves.

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