Leaf starch test

Leaf starch test

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Caption: Leaf starch test on leaves that have been kept in the dark (right) and exposed to light (left). This test uses iodine, which gives a dark blue colour in the presence of starch. Starch is a carbohydrate produced in leaves by photosynthesis. To perform the test, the leaves were boiled in alcohol to remove the green pigment chlorophyll, then had an iodine solution applied.

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Keywords: analysing, analysis, botanical, botanical science, botany, chlorophyll, comparing, comparison, dark, duo, iodine, leaf, light, nature, pair, photosynthesis, photosynthetic, starch, test, testing, treatment, two

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