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Which of the following deficiency diseases is caused by the lack of Vitamin B ₂ (Riboflavin) in the human diet?

Options

  1. ACheilosis
  2. BBeri-beri
  3. CConvulsions
  4. DPernicious anaemia

Correct answer

A. Cheilosis

Step-by-step solution

According to the NCERT classification of vitamins and their deficiency diseases, the deficiency of Vitamin B ₂ (Riboflavin) causes cheilosis, which is characterized by fissuring at the corners of the mouth and lips, as well as digestive disorders. Beri-beri is caused by the deficiency of Vitamin B ₁ (Thiamine). Convulsions are caused by the deficiency of Vitamin B ₆ (Pyridoxine). Pernicious anaemia is caused by the deficiency of Vitamin B ₁₂ . Answer: Cheilosis

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