Question

State the source and the diseases caused by the deficiency of the following vitamins: Vitamin A 
Vitamin C 
Vitamin D 
Vitamin E 
Vitamin K 
 

Hint:

Vitamins are essential nutrients required in small amounts to prevent deficiency diseases and maintain health.

Answer 1

(i) Vitamin A: - Source: Carrots, sweet potatoes, spinach. - Deficiency Disease: Night blindness. 

(ii) Vitamin C: - Source: Citrus fruits, tomatoes, strawberries. - Deficiency Disease: Scurvy (bleeding gums, weakened immunity). 

(iii) Vitamin D: - Source: Sunlight, fish liver oil, fortified milk. - Deficiency Disease: Rickets (in children) and osteomalacia (in adults). 

(iv) Vitamin E: - Source: Nuts, seeds, green leafy vegetables. - Deficiency Disease: Neurological problems and muscle weakness. 

(v) Vitamin K: - Source: Green leafy vegetables, broccoli, soybean oil. - Deficiency Disease: Delayed blood clotting and excessive bleeding.