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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.
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उत्तर
Transpiration
संबंधित प्रश्न
Under what conditions do plant transpire most slowly?
The set up shown alongside was kept in sunlight for an hour. It was observed that drops of water appeared on the inside of the polyethylene bag.

- Name the process which is being demonstrated.
- Why was the pot and its soil left uncovered by the polythene bag?
- Why was the pot left in the sunlight?
- Suppose the pot in this experiment was placed inside a dark room instead of placing it in sunlight for some time. What difference will be noticed?
State whether the following statement is true or false. Rewrite the false statement correctly.
Transpiration cools the plant when it is hot outside.
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?
What governs the opening and closing of stomata?
Define the following term:
Transpiration
Explain the term:
Transpiration
Guard cells are responsible for the opening and closing of stomata.
Observe the diagram and answer the following;
![]() (i) |
![]() (ii) |
- Are these types of guard cells found in monocots or dicots?
- Which of these shows a higher water content (i) or (ii)?
- Which element plays an important role in the opening and closing of stomata?
Which of the following is an external factor affecting the rate of transpiration?


