An experiment was set up as shown in the figure below. After some time, the water level in test tube A fell down but not in test tube B.
Why was there a fall in the water level of test tube A and not in that of test tube B?

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Solution

In test tube A the water level falls because the plant root dipped in root will absorb it and in test tube B there is no change of water level because there is no root dipped in it.

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An experiment was set up as shown in the figure below. After some time, the water level in test tube A fell down but not in test tube B.Why was there a fall in the water level of test tube A and not in that of test tube B?

In test tube A the water level falls because the plant root dipped in root will absorb it and in test tube B there is no change of water level because there is no root dipped in it.

An experiment was set up as shown in the figure below. After some time, the water level in test tube A fell down but not in test tube B.
Why was there a fall in the water level of test tube A and not in that of test tube B?