The figure given below represents an experimental setup with a we… - Vidyadip

Question

The figure given below represents an experimental setup with a weighing machine to demonstrate a particular process in plants. The experimental setup was placed in bright sunlight. Study the diagram and answer the following questions.

What is the purpose of keeping the test tube B in the experimental setup?

✓

Answer

Test tube B is used here as a control. This makes the observation of the change in test tube A easy.

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