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प्रश्न
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?
उत्तर
Oil is put on the surface of water to prevent loss of water by evaporation.
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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.
The loss of water in the form of water vapour through stomata on leaves is known as ___________.
Briefly explain, how transpiration helps in upward conduction of water in plants?
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 the spring balance in the set-up?
Design an experiment to demonstrate the transpiration process.
Define transpiration.
Plants lose water by the process of transpiration.
Give the importance of transpiration?
Complete the following by choosing the proper option.
Stomata : Transpiration :: Hydathode : ____________.
