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Experiments Conducted to Prove the Formation of Starch in Plants

Which of the ...

Question

Which of the following would give a positive test with iodine solution?

A

Vitamin A

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B

Starch

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C

Protein

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D

Butter

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Solution

The correct option is B Starch
The iodine test is used to test for the presence of starch.
When treated with iodine solution, iodine dissolved in the aqueous solution, complexes with starch, to produce an intense blue-black colour.

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Experiments Conducted to Prove the Formation of Starch in Plants

Standard XI Biology

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