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CBSE Class 12 · 2015 · Delhi · BiomoleculesShort Answer

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i) Which one of the following is a disaccharide: starch, maltose, fructose, glucose?
ii) What is the difference between a fibrous protein and a globular protein?
iii) Name the vitamin whose deficiency causes bone deformities in children.

Solution

(i) \textbf{Maltose} (two glucose units).
(ii) \textbf{Fibrous} proteins: thread-like parallel chains, water-insoluble — keratin, myosin. \textbf{Globular}: chains folded into soluble spheres — albumin, insulin.
(iii) \textbf{Vitamin D} — its deficiency causes rickets (bone deformities) in children.

CBSE Class 12 Board · 2015 · Delhi · Subjective

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