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प्रश्न
How can plants be grown under limited water supply without compromising on metabolic activities?
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उत्तर
In the condition of limited water supply, the transpiration rate will be decreased by the closing of stomata but an important process like photosynthesis, respiration and transport of food will be taking place.
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संबंधित प्रश्न
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:
- Name the process being studied.
- Explain the process named above in Q.3(a)(i).
- Why was the pot covered with a plastic sheet?
- Suggest a suitable control for this experiment.
- Mention two ways in which this process is beneficial to plants.
- List three adaptations in plants to reduce the above mentioned process.
Under what conditions do plant transpire most slowly?
How does transpiration help the roots absorb water and minerals from the soil?
Fill in the blank:
Water is lost from the leaves by__________.
Define the term Transpiration stream
Litmus paper is used to demonstrate transpiration from the leaves of the green plant.
Given alongside is the diagram of an experimental set-up to demonstrate a certain phenomenon in plants.
What is the purpose of putting oil in the test tube?
Given alongside is the diagram of an experimental set-up to demonstrate a certain phenomenon in plants.
What is the purpose of the spring balance in the set-up?
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:
Why was the pot covered with a plastic sheet?
Define the following term:
Transpiration
Plants lose water by the process of transpiration.
Identify the wrong statement and correct it.
Leaves perform the function of transpiration only.
Transpiration takes place through ______.
Entry of water into root hair is the demonstration of which of the following process?
Excessive transpiration is due to ______.
Will the ascent of sap be possible without the cohesion and adhesion of the water molecules? Explain.
Briefly describe the following:
Angina Pectoris
Why is transpiration less in the still wind?
The process of evaporative loss of water from the aerial parts of a plant is ______.
(a) State whether the following statement are True or False.
(b) Rewrite the false statement in the correct form by changing either the first or the last word only.
Transpiration helps to cool the body of the plant.
