Why iodine solution is used in …

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Posted by Insha Fatima 5 years, 10 months ago
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Yogita Ingle 5 years, 10 months ago
Iodine is used in staining cells of an onion peel on the slide due to following reason.
*Onion bulb is made up of scaly leaves which store starch granules in their cytoplasm of the cells.
*Iodine binds to starch in the granules and develops blue black colour.
*This procedure of staining onion cells with iodine make the onion cells visible clearly. It also confirms the fact that onion stores reserve food material in the form of starch.
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