A) pellagra
B) osteomalacia
C) marasmus
D) scurvy
Correct Answer: A
Solution :
Niacin forms two coenzymes: nicotinamide adenine dinucleotide (NAD) and nicotinamide adenine dinucleotide phosphate (NADP). Deficiency of niacin causes a disease called pellagra. Pellagra is characterised by three Ds namely dematitis, diarrhoea and dementia. Deficiency of vitamin C causes Scurvy, which is characterised by spongy and bleeding gums, loose and falling teeth, fragility of blood capillaries etc. Osteomalacia is caused by deficiency of vitamin D in adults. It is characterised by weak bones liable to easy fracture. Marasmus develops when a diet does not supply enough energy for normal body functions. It is common in infants under one year of age.
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