Account for the following
The leaves of certain plants droop on a bright sunny day.

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Solution

Transpiration causes the cells of the leaves to lose water and consequently their turgidity on a bright sunny day.
As a result, the leaves droops, reducing transpiration.

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Similar questions

Give reason for the following:

The leaves of certain plants roll up on a bright sunny day.

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.

Account for the following:

The leaves of certain plants roll up on a bright sunny day.

Give reason why on a bright sunny day the leaves of certain plant rolls up?

Give scientific reasons for the following statement.

The leaves of certain plants roll up on a bright sunny day.

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