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Why iodine solution is used in …

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Why iodine solution is used in the experiment of cells?

Posted by Insha Fatima 4 years, 4 months ago

CBSE > Class 09 > Science

1 answers

Yogita Ingle 4 years, 4 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.

2Thank You

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