Biology, asked by khanvilkarrathotc1lg, 1 year ago

Why do we remove the chlorophyll from a leaf before testing for starch ?

Answers

Answered by ARPzh
30
because it allows the iodine solution to penetrate the cells and react with any starch present.
Answered by krishna210398
1

Answer:

A inexperienced leaf is bleached earlier than wearing out a starch take a look at in order that the mobileular wall of the leaf may be broken, and its chlorophyll is eliminated.

Explanation:

A inexperienced leaf is bleached earlier than wearing out a starch take a look at in order that the mobileular wall of the leaf may be broken, and its chlorophyll is eliminated. Chlorophyll is eliminated in order that, leaf can take in iodine answer and will become blue-black colour, to expose the presence of starch in it.

Starch take a look at:

Starch is a carbohydrate that includes many glucose devices connected to glycosidic bonds.

When a leaf is boiled in alcohol like ethanol, it facilitates to extract chlorophyll and assist eliminate the inexperienced colour of the leaves.

After the elimination of chlorophyll, the colour of the leaf modifications to white, and it is simple to look at the extrade withinside the colour of iodine as starch offers a blue colour to iodine.

Why is chlorophyll removed before testing for starch?

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Why is chlorophyll extracted from leaf before testing it for the presence of starch?

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