ICSE Class X Biology 2015 Solved Papers
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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:
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Question : 54
Total: 98
Why was the pot covered with a plastic sheet?
Solution:
To prevent escape of the soil water as vapour.
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