Which of the following deficiency diseases is caused by the specific water-soluble vitamin that is an exception because it can be stored in the human body?

Step-by-step solution

Water-soluble vitamins (B group and Vitamin C) are generally excreted in urine and cannot be stored in the body. However, Vitamin B ₁₂ is a notable exception as it is a water-soluble vitamin that can be stored in the liver. According to NCERT, the deficiency of Vitamin B ₁₂ causes pernicious anaemia, a condition where red blood cells are deficient in haemoglobin. Scurvy is caused by Vitamin C (water-soluble, not stored), Beri-beri by Vitamin B ₁ (water-soluble, not stored), and Night blindness by Vitamin A (fat-sol