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प्रश्न
Transpiration pull will be maximum under which set of the following conditions?
विकल्प
Open stomata, dry atmosphere and moist soil
Open stomata, high humid atmosphere and well irrigated soil
Open stomata, high humid atmosphere and dry soil
Closed stomata, dry atmosphere and dry soil
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उत्तर
Open stomata, dry atmosphere and moist soil
Notes
Open stomata, dry atmosphere and moist soil
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संबंधित प्रश्न
Which of the following statements are true and which ones are false? Give reason in support of your answer.
Some desert plants have sunked stomata on their leaves.
Which of the following statements are true and which ones are false? Give reason in support of your answer.
Most transpiration occurs during midday.
Name the following.
The process by which the aerial parts of a green plant give out water as water vapour.
The diagram alongside represents a structure found in a leaf. Study the same and answer the questions that follow:
(i) Name the parts labeled A and B.
(ii) What is the biological term for the above structure?
(iii) What is the function of the part labeled A?
(iv) Mention two structural features of A, which help in the function mentioned in (iii) above?
(v) Where is this structure likely to be found in a leaf?
(vi) The structure (fig.5.22) helps in the process of transpiration. Explain the term transpiration.
(vii) How many other cells are found surrounding this structure as seen in the diagram?

Choose the correct answer:
Who had said that "transpiration is a necessary evil"?
Briefly explain how the rate of transpiration is affected by:
Humidity of the atmosphere
Explain the Term :
Wilting
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.
Mention, if the following statement is True or False. If false rewrite the wrong statement in its correct form:
More transpiration occurs from the upper surface of a leaf.
