NEET2023Zoology-Carbohydrates

NEET 2023 Zoology Carbohydrates MCQ Question

Type: MCQ-conceptual-Medium-Class 11

Cellulose does not form blue colour with Iodine because

A

It is a helical molecule.

B

It does not contain complex helices and hence cannot hold iodine molecules.

C

It breakes down when iodine reacts with it.

D

It is a disaccharide.

Correct Answer

Option B

Detailed Explanation

Cellulose is a linear polymer and does not form helices, so it cannot trap iodine molecules to form a blue complex.

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