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प्रश्न
What are the advantages of transpiration to the plant?
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उत्तर
(i) It results in the ascent of sap by creating a suction force.
(ii) It results in the cooling of the plant in summer.
(iii) It helps in the distribution of water to all parts of the plants.
(iv) It helps in the elimination of the excess of water absorbed by the roots.
संबंधित प्रश्न
Describe an experiment to show that the plant loses water through its leaves.
Transpiration pull will be maximum under which set of the following conditions?
Given below is an apparatus which was setup to investigate a physiological process in plants. The setup was placed in bright sunlight. Answer the questions that follow:
- Name the process being studied. Define the process.
- Why was the pot enclosed in a rubber sheet?
- Mention two external factors which can accelerate the above process.
- List two adaptations in plants to reduce the above process.
- Draw a neat, labelled diagram of a stomatal apparatus.
What is meant by the term transpiration stream?
Give Reasons for the following:
Young plants wilt on a hot sunny day.
Give Reasons for the following:
Why do some herbaceous plants show wilting of leaves during mid-day which again recover in the evening?
What are the disadvantages of transpiration?
Explain the Term :
Wilting
