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प्रश्न
Give Reasons for the following:
Why do some herbaceous plants show wilting of leaves during mid-day which again recover in the evening?
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उत्तर
During mid-day the rate of transpiration is maximum. During this time, in some herbaceous plants, the rate of transpiration exceeds the amount of water absorbed. Thus, the leaves loss its turgid state and show wilting.
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संबंधित प्रश्न
Briefly explain how the rate of transpiration is affected by
Intensity of light
Name the following.
The process by which the aerial parts of a green plant give out water as water vapour.
Give Reasons for the following:
Young plants wilt on a hot sunny day.
What are lenticels? Where are they found?
Explain the Term :
Wilting
Name the three types of transpiration.
Study the diagram given alongside and answer the questions that follow:
(i) Explain the physiological process of being study.
(ii) What will be the observations in the two test-tubes after about 2-3 days?
(iii) Give a reason for your answer in (ii) above.
(iv) Why is the surface of water covered with oil?
(v) State the purpose of setting up test tube B.
Write the functional activity of the following structure:
Cuticle
Choose the Odd One Out
