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प्रश्न
Comment on the following statement:
A well-watered potted plant shows wilting of leaves on a hot sunny day.
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उत्तर
A well-watered potted plant shows wilting of leaves on a hot sunny day. As during hot sunny day rate of transpiration is more than the rate of absorption of water.
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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.
Fill in the blank with the suitable term given below:
Transpiration is more when the wind is blowing _____.
Give suitable explanation for the following:
On a bright sunny day, the leaves of certain plants roll up.
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?
Plants lose water by the process of transpiration.
Analogy:
Photosynthesis: ______:: Transpiration: Stomata
Why is transpiration considered as a necessary evil?
Plants show temporary and permanent wilting. Differentiate between the two. Do any of them indicate the water status of the soil?
A root hair is derived from ______ cell.
