NEET Zoology Biomolecules Questions Solved

Macromolecule chitin is                                                   [2013]

(a) Nitrogen containing polysaccharide

(b) Phosphorous containing polysaccharide

(c) Sulphur containing polysaccharide

(d) Simple polysaccharide

Audio Explanation:

(a) Macromolecule chitin is a complex polysaccharide containing amino sugars and chemically modified sugars, (e.g. glucosamine, N-acetyl galactosamine, etc). Polysaccharides are long carbohydrate molecules of monosaccharide units joined together by glycosidic bonds. They have a general formula Cx(H2O)y. Chitin is the main component of the cell wall of fungi, the exoskeletons of arthropods, insects and radula of molluscs, etc. 

Difficulty Level:

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