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WBCS Preliminary Examination 2018 — General Studies · Question 112 of 200

Q112
General ScienceBiology
Deficiency of Vitamin-D results in
  1. a.night blindness
  2. b.rickets
  3. c.scurvy
  4. d.hair fall

Answer: (B) rickets

Vitamin D (calciferol, the 'sunshine vitamin') is needed for absorbing calcium and phosphorus; its deficiency causes rickets in children and osteomalacia in adults. The distractors: night blindness - Vitamin A, scurvy - Vitamin C, hair fall - biotin (Vitamin B7). Others: beriberi - B1, pellagra - B3, pernicious anaemia - B12, delayed blood clotting - Vitamin K. Vitamins A, D, E and K are fat-soluble.

Q111 Whole paperQ113