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Question
Explain the Term
Transpiration
Solution
Transpiration is defined as the loss of water vapour by the plant. It may take place from any part of the plant body.
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RELATED QUESTIONS
Name the factors which affect the rate of transpiration? State their role in each case.
Describe an experiment to show that the plant loses water through its leaves.
Transpiration helps in creating ______ force and in eliminating excess ______.
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Intensity of light
Give Reasons for the following:
Young plants wilt on a hot sunny day.
The following diagram is set up to demonstrate an experiment.
Five plants A, B, C, D, and E were placed in a beaker containing water. The water in each beaker was covered with a layer of oil. The leaves were removed from plant D in plant B, upper surfaces of all the leaves were covered with Vaseline, in-plant C the lower surfaces of all the leaves were covered with Vaseline and plant E was exposed to strong light. The beakers were then left for a few hours and at the end of the experimental period, weights of each beaker were taken.
Write the correct answer out of the five available choices given under each question:
I. In which beaker would you expect the greatest decrease in weight?
(i) A (ii) B (iii) C (iv) D (v) E
II. In which beaker the change of weight would be minimum?
(i) A (ii) B (iii) C (iv) D (v) E
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(i) A (ii) B (iii) C (iv) D (v) E
IV. In this experiment which plant can be considered as the uncontrolled one?
(I) A (ii) B (iii) C (iv) D (v) E
V. The difference of weight would b maximum between:
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Transpiration normally takes place in the presence of ___________.
Mention, if the following statement is True or False. If false rewrite the wrong statement in its correct form:
Evaporation is a physiological process
Mark the most appropriate answer in the following:
Transpiration is very low during storms due to:
