ICSE Class X Biology 2014 Solved Papers
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The figure given below represents an experimental set up with a weighing machine to demonstrate a particular process in plants. The experimental set up was placed in bright sunlight. Study the diagram and answer the following questions:
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Question : 20
Total: 93
What is the purpose of keeping the test tube B
Solution:
Test tube B acts as a control experiment where water is lost in the form of water vapour due to transpiration from the aerial parts.
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