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प्रश्न
The process of evaporative loss of water from the aerial parts of a plant is ______.
पर्याय
Ascent of sap
Translocation
Transpiration
Exudation
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उत्तर
The process of evaporative loss of water from the aerial parts of a plant is transpiration.
Explanation:
Transpiration is the loss of water in the form of vapour from the aerial regions of a plant through the stomata, lenticel and cuticle.
APPEARS IN
संबंधित प्रश्न
Differentiate between Transpiration and Evaporation
Discuss the factors responsible for ascent of xylem sap in plants
Under what conditions do plant transpire more quickly?
Name the process by which water loss takes place through the leaves.
Give suitable explanation for the following:
Cork and bark of trees help in preventing loss of water
Distinguish between the following :
Cuticular transpiration and lenticular transpiration
Litmus paper is used to demonstrate transpiration from the leaves of the green plant.
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?
(iii) Select the correct leaf from the five available choices shown in the diagram as a, b, c, d and e. Rewrite the correct answer by filling in the appropriate letter for the questions that follow:
1. After the starch test, leaf x would look like ______.
2. After the starch test, leaf y would look like ______.
(iv) The experiment with leaf y shows that photosynthesis requires the presence of certain factors. Mention any one factor.
An apparatus as shown below was set up to investigate a physiological process in plants. The setup was kept in sunlight for two hours. Droplets of water were then seen inside the bell jar. Answer the questions that follow:
Explain the process named above in 7.1.
Identify the wrong statement and correct it.
Leaves perform the function of transpiration only.
