Nutrition and diseases
- Deficiency of iodine in the diet causes which disease? Answer: C. Goitre Answer: (C) Goitre Iodine is needed to make the thyroid hormone thyroxine; its lack causes goitre (swelling of the thyroid... 1
- Night blindness is caused by the deficiency of which vitamin? Answer: C. Vitamin A Answer: (C) Vitamin A Vitamin A is needed to make rhodopsin in the retina; its deficiency causes night blindness. 1
- Scurvy is caused by the deficiency of which vitamin? Answer: A. Vitamin C Answer: (A) Vitamin C Lack of vitamin C (ascorbic acid) causes scurvy, with bleeding gums. Vitamin D deficiency causes... 1