Question

A test tube is half filled with water and a small plant (with roots) is put in it. Oil is poured on
the water surface. Set up is kept in sun.
a) Name the process being studied here.
b) Why is oil placed over water?
c) What do we observe with regard to the water level when this set up is placed in
(i) humid conditions (ii) windy day
d) Mention any three adaptations found in the roots of the plant which enable them to carry out
the process mentioned in a).

Answer 1

Answer:

a) Transpiration

a) Transpirationb) It is the process by which plants lose water as vapors through the aerial parts.

a) Transpirationb) It is the process by which plants lose water as vapors through the aerial parts.c) To prevent evaporation of water from the test tube.

Explanation:

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