Q-7 Describe an experiment to prove that - Plant leaf has starch.
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Starch testing
add the leaf to boiling ethanol in a water bath for a few minutes (the boiling ethanol dissolves the chlorophyll and removes the green colour from the leaf - it turns white so it is easy to see the change in colour) wash with water to rehydrate and soften the leaf and spread onto a white tile.
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Above experiment proves that plant leaf has starch.
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