ICSE Class X Biology 2015 Solved Papers

An apparatus as shown alongside was set up to investigate a physiolo-gical process in plants. The setup was kept in sunlight for two hours. Drop-lets of water were then seen inside the bell jar. Answer the questions that follow:

Question : 54 of 98

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Why was the pot covered with a plastic sheet?

Solution:

To prevent escape of the soil water as vapour.

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