Science
A student was asked to write a stepwise procedure to demonstrate that carbon dioxide is necessary for photosynthesis. He wrote the following steps. The wrongly worded step is:
- Both potted plants are kept in dark rooms for at least three days.
- Bottom of the bell jars is sealed to make them air tight.
- Both potted plants are kept in sunlight after the starch test.
- A leaf from both the plants is taken to test the presence of starch.
Photosynthesis
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Answer
Both potted plants are kept in sunlight after the starch test.
Reason — Starch test is done after they have been kept in sunlight to know whether photosynthesis occurred or not.
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