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STD 11 - 9. Biomolecules — BIOLOGY STD 11 Science — Question

Rajasthan BoardEnglish MediumSTD 11 ScienceBIOLOGYSTD 11 - 9. Biomolecules1 Mark
MCQ
Cellulose does not form blue colour with lodine because
  • A
    It breaks down when iodine reacts with it
  • B
    It is a disaccharide
  • C
    It is a helical molecule
  • ✓
    It does not contain complex helices and hence cannot hold iodine molecules
✓

Answer

Correct option: D.
It does not contain complex helices and hence cannot hold iodine molecules
d
Option $(4)$ is the correct answer because cellulose does not contain complex helices and hence cannot hold iodine molecules.

Option $(1), (2)$ and $(3)$ are not correct as cellulose is a polysaccharide.

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