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CBSE Class 12 · 2007 · Foreign · BiomoleculesShort Answer

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Explain the following terms:
i) mutarotation
ii) avitaminosis

Solution

(i) \textbf{Mutarotation}: a freshly dissolved anomer slowly equilibrates with the other anomer via the open chain, the specific rotation drifting to the equilibrium value (α-D-glucose +112° → +52.5°).
(ii) \textbf{Avitaminosis}: the group of deficiency diseases arising from lack of vitamins — scurvy (C), rickets (D), beri-beri (B), night blindness (A).

CBSE Class 12 Board · 2007 · Foreign · Subjective

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