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प्रश्न
Give suitable explanation for the following:
Perspiration and transpiration help to cool the body temperature of the organism.
उत्तर
In both perspiration and transpiration, water is lost by evaporation from the body of the organism as water vapour. This evaporation reduces the temperature of the body surface and brings about cooling in the body of the organism.
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संबंधित प्रश्न
Transpiration is defined as:
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A well watered healthy potted plant with variegated leaves was kept in darkness for about 24 hours. It was then set up as shown in the diagram and exposed to light for about 12 hours. At the end of this time, leaf x and y were tested for starch. Study the diagram and answer the questions that follow:
(i) Why was the plant initially kept in darkness for 24 hours?
(ii) What is the function of sodium hydroxide solution in the flask?
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1. After the starch test, leaf x would look like ______.
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During transpiration, there is a loss of ______
Define the following term:
Wilting
