Question

Explain the way you would choose to check that the destarching had been effective?​

Answer 1

Answer:

Destarching a plant:

Before carrying out any photosynthesis practical it is necessary to destarch the plant by placing it in the dark for at least 48 hours. During this time any starch will be removed or used.

This step is important so you can be positive that any starch present at the end of the experiment has been produced during the experiment.

You can check if a plant has been fully destarched by testing a leaf for starch. If the iodine remains yellow-brown, all the starch has successfully been removed.

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