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Question
(a) State whether the following statements are True Or False?
(b) Rewrite the false statements,in the correct form by changing either the first or the last word only .
Voltmeter is an instrument used for measuring the rate of transpiration in green plants.
Options
True
False
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Solution
(a) False
(b) Potometer is an instrument used for measuring the rate of transpiration in green plants.
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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:
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(i) A (ii) B (iii) C (iv) D (v) E
II. In which beaker the change of weight would be minimum?
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IV. In this experiment which plant can be considered as the uncontrolled one?
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The apparatus used to compare the rate of transpiration in cut shoot.
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More transpiration occurs from the upper surface of a leaf.
Mark the most appropriate answer in the following:
In hot summer days, plant cooling is due to :
