Which test is performed to verify that a leaf contains starch? Explain it briefly.
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Iodine test
The presence of starch in leaves can be tested by the Iodine test. When we remove chlorophyll from the leaf by boiling it in alcohol and then put two drops of iodine solution, it is colour change to blue indicates the presence of starch.
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Answer:
Iodine test.
iodine test is performes to verify that a leaf cointains starch by differenciating the colour obtained after iodine test experiment.
Iodine solution is used to test leaves for the presence of starch. You need to: heat a plant leaf in boiling water for 30 seconds (this stops its chemical reactions) heat it in boiling ethanol for a few minutes (this removes most of its colour).
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