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प्रश्न
Mark the most appropriate answer in the following:
Transpiration pull will be maximum under which 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.
संबंधित प्रश्न
Which one of the following favours the fastest transpiration rate?
Which of the following statements are true and which ones are false? Give reason in support of your answer.
Most transpiration occurs during midday.
Given below is an apparatus which has setup to investigate a physiological process in plants. The setup was placed in bright sunlight. Answer the questions that follow:

Why was the pot enclosed in a rubber sheet?
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?

Explain the Term
Lenticel
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.
Name the following:
Holes present on the surface of the stems and twigs for transpiration.
Give Technical Term
The apparatus used to compare the rate of transpiration in cut shoot.
Complete the following sentence with appropriate word:
The leaves of the __________ plants have cuticular wax.
