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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:

Why was the pot covered with a plastic sheet?
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उत्तर
The pot is covered with a plastic sheet to prevent evaporation of water from the soil.
संबंधित प्रश्न
Differentiate between Transpiration and Evaporation
Multiple choice question. Tick (✓) the correct choice:
The loss of water through the stomata of leaves is called
(a) transpiration
(b) wilting
(c) evaporation
(d) osmosis
Give suitable explanation for the following:
Perspiration and transpiration help to cool the body temperature of the organism.
Give a reason.
What happens to the movement of the air-bubble if the apparatus shown above is kept in front of a fan?
The figure given below represents an experimental setup with a weighing machine to demonstrate a particular process in plants. The experimental setup was placed in bright sunlight. Study the diagram and answer the following questions.

Name the process intended for study.
Why is transpiration called a necessary evil?
Entry of water into root hair is the demonstration of which of the following process?
Excessive transpiration is due to ______.
Why is transpiration less in the still wind?
Define the following term:
Wilting
