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प्रश्न
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उत्तर
Plants absorb more water than what is required. Out of 100%, only 5% of the water is used in metabolic reactions while the remaining 95% is released into the atmosphere as transpiration.
The three uses of this phenomenon are:
(i) It helps in transportation of water and minerals to the various parts of the plant.
(ii) It produces a cooling effect to the plants.
(iii) It evaporates excess water.
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संबंधित प्रश्न
Which one of the following favours the fastest transpiration rate?
How does temperature, light intensity and wind affect transpiration?
Describe an experiment to show that the plant loses water through its leaves.
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:
Why was the pot enclosed in a rubber sheet?
Choose the correct answer:
Who had said that "transpiration is a necessary evil"?
The figure given below represents an experimental setup with a weighing machine to demonstrate a particular process in plants. The experimental setup was placed in bright sunlight. Study the diagram and answer the following questions.
What is the purpose of keeping the test tube B in the experimental setup?
Give Reasons for the following:
Transplanting of seedlings to a flowerbed in the evening is better than doing so in the morning.
Give Reasons for the following:
Balsam plants wilt during midday even if the soil is well watered.
Name the following:
Plants in which lenticular transpiration.
