Selina solutions

Selina solutions

Grade 8

Transportation in plants | Short Answer Questions (SA)

Question 10

Q10) How does temperature, light intensity and wind affect transpiration?

Solution:

Temperature: Transpiration is faster on hot summer days as compared to cold winters.

Light intensity: The transpiration rate is increased due to the increase in light intensity. During daytime in the sunlight, the rate of transpiration is faster. This is because the stomata remains open to allow the inward diffusion of carbon dioxide for photosynthesis. During dark, the stomata are closed, and hence transpiration hardly occurs at night.

Wind: Transpiration is more when the wind is blowing faster as water evaporates faster from the leaves.

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Question 10

Q10) How does temperature, light intensity and wind affect transpiration?

Solution:

Temperature: Transpiration is faster on hot summer days as compared to cold winters.

Light intensity: The transpiration rate is increased due to the increase in light intensity. During daytime in the sunlight, the rate of transpiration is faster. This is because the stomata remains open to allow the inward diffusion of carbon dioxide for photosynthesis. During dark, the stomata are closed, and hence transpiration hardly occurs at night.

Wind: Transpiration is more when the wind is blowing faster as water evaporates faster from the leaves.

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subject-cta
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