A plant is kept in the dark for 48 hours before an experiment on photosynthesis. This is done to:

  1. Activate the enzymes.
  2. De-starch the leaves.
  3. Increase the rate of respiration.
  4. Stop the plant from wilting.

📝 Detailed explanation

De-starching ensures that any starch found in the leaves at the end of the experiment was produced during the experiment itself.
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Question 30 of 50
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