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

Rajasthan BoardEnglish MediumSTD 11 ScienceBIOLOGYSTD 11 - 9. Biomolecules1 Mark
MCQ
Macromolecule chitin is
  • A
    sulphur containing polysaccharide
  • B
    simple polysaccharide
  • ✓
    nitrogen containing polysaccharide
  • D
    phosphorous containing polysaccharide.
✓

Answer

Correct option: C.
nitrogen containing polysaccharide
c
(c) : Chitin is a structural polysaccharide that constitutes the exoskeleton of arthropods. It is a complex carbohydrate in which N­acetyl glucosamine monomers are joined together by $(1, 4)$ $\beta$-­linkages. Chitinous exoskeleton provides strength and elasticity to arthropods.

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