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 : 56 of 98

Marks: +1, -0

Mention two ways in which this process is beneficial to plants.

Solution:

1. Due to transpiration there is an upward movement of water so roots can absorb more water and thus minerals from soil.
2. The transpired water forms a cool blanket around the plant thus protecting it from the heat of sun.

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