___________ helps in the upward movement of water from roots to the leaves in tall trees.

Translocation

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Transpiration

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Gravity

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Root pressure

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Solution

The correct option is B
Transpiration

In trees, water is lost from the leaves due to a process known as transpiration. Transpiration, when it occurs, creates a suctional force that pulls water in the soil along with dissolved minerals from the roots and all the way to the leaves. This transport of water occurs through xylem.
Root pressure can help transport water to short heights only.

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Similar questions

Q. Which of the following helps in the upward movement of water and dissolved minerals from the roots to the leaves through the stem?
(a) transportation
(b) translocation
(c) tropic movement
(d) transpiration

Q. ________ helps in drawing water from roots to the leaves in tall trees.

Water moves up against gravity and even for a tree of 20 m height, the tip receives water within two hours.The most important physiological phenomenon which is responsible for the upward movement of water is

Assertion: Root pressure can provide a modest pull in the overall water transport in plants.

Reason: It does play an important role in water movement in tall trees.

Give suitable explanation for the following :

(a) A higher rate of transpiration is recorded on a windy day rather than on a calm day.

(b) Excessive transpiration results in the wilting of the leaves.

(d) More transpiration occurs from the lower surface of a dorsiventral leaf.

(e) Cork and bark of trees help in preventing loss of water.

(f) Perspiration and transpiration help to cool the body temperature of the organism.

(g) On a bright sunny day, the leaves of certain plants roll up.

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