Transpiration increases, when atmospheric temperature rises, beacause

Wider opening of stomata

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Stomata opening becomes narrow

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Water holding capacity of the air increases

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More photosynthesis in guard cells

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Solution

The correct option is B Water holding capacity of the air increases
With the increase in temperature the difference in vapour pressure gradient of water between atmosphere and leaf mesophyll cells will increase. This is because at high temperatures air can hold more water vapor.

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Similar questions

Q. What causes the opening and closing of guard cells of stomata during transpiration?

Which of the following statement is correct :
1. At night, these guard cells swell with water and become bloated, opening the stoma.
2. During the day, the guard cells release their water and the stomata close.
3. More than 97% percent of water reaching the leaves is used in plant growth and photosynthesis.
4. The rate of transpiration can be easily demonstrated by cobalt chloride paper test.

Choose the correct option(s)
When the temperature of air in an open region increases:

Q. Select the correct events leading to the stomatal opening.
(a) The decline in guard cell solutes.
(b) Lowering of osmotic potential of guard cells.
(c) Rise in K ions in guard cells.
(d) Movement of water from neighboring cells into guard cells.
(e) Guard cells become flaccid.

Q. Arrange the events of the opening of stomata in the correct sequence and choose the correct option accordingly.

I. Lowering of osmotic potential of guard cells.
II. Decline in guard cell solute.
III. Rise of potassium ion level in guard cells.
IV. Guard cells absorb water from neighboring epidermal cells.
V. Guard cells become flaccid.

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Transpiration increases, when atmospheric temperature rises, beacause

The correct option is B Water holding capacity of the air increasesWith the increase in temperature the difference in vapour pressure gradient of water between atmosphere and leaf mesophyll cells will increase. This is because at high temperatures air can hold more water vapor.

The correct option is B Water holding capacity of the air increases
With the increase in temperature the difference in vapour pressure gradient of water between atmosphere and leaf mesophyll cells will increase. This is because at high temperatures air can hold more water vapor.