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NEET BIOLOGYBiomoleculesEasy

Question

Cellulose does not form blue colour with iodine because

A

It breaks down when iodine reacts with it.

B

It is a disaccharide.

C

It is a helical molecule.

D

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

Step-by-Step Solution

According to the text, starch forms helical secondary structures that can hold I2 (iodine) molecules in the helical portion, resulting in a blue colour. In contrast, 'Cellulose does not contain complex helices and hence cannot hold I2' .

Exam Context & Concepts Covered

This question aligns with the NEET BIOLOGY syllabus, specifically targeting concepts from Biomolecules. Mastering this topic is crucial for scoring well in the upcoming medical entrance examinations. Solving conceptually related problems will help you understand the nuances of these concepts and improve your problem-solving speed.

BIOLOGYBiomoleculescellulosecolouriodinebecause

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A.(A)-(IV), (B)-(I), (C)-(II), (D)-(III)
B.(A)-(IV), (B)-(III), (C)-(II), (D)-(I)
C.(A)-(III), (B)-(I), (C)-(IV), (D)-(II)
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A.NONE
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Which of the following graphs explains the effect of pH on the enzyme activity?

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C.Graph 3
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