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Question
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:
Name the process being studies. Define the process.
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Solution
Transpiration : Transpiration is loss of water in the form of water vapour from aerial part of plant.
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RELATED QUESTIONS
How does temperature, light intensity and wind affect transpiration?
Transpiration helps in creating ______ force and in eliminating excess ______.
Answer the following (only in few words);
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Transplanting of seedlings to a flowerbed in the evening is better than doing so in the morning.
Explain the Term
Lenticel
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?
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Loss of water from the aerial parts of a plant.
Complete the following sentence with appropriate word:
Transpiration normally takes place in the presence of ___________.
Write the functional activity of the following structure:
Guard cells
Give a reason/suitable explanation.
Forests tend to bring more rains.
