Xerophthalmia and Nightblindness are caused due to the deficiency of?
A. Vitamin A
B. Vitamin D
C. Vitamin K
D. None of these
What is needed as a source of energy for vital activities of the body?
A. Iron
B. Calcium
C. Water
D. Carbohydrates
Hemoglobin (Hb) is a protein that is found in the _____ of the blood.
A. plasma
B. platelets
C. red blood cells
D. white blood cells
What is essential for the formation of hemoglobin?
A. Iron
B. Calcium
C. Water
D.Carbohydrates
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