Carbohydrates consists of ______.

A. C, H, N 

B. C, H, O

C. N, H, C

D. C, N, O

Deficiency of  ____causes  Goitre.

A. Iodine

B. Phosphorus

C. Calcium 

D.  Anemia 

Deficiency of vitamin ____causes  scurvy

A. A

B. B 

C. C 

D.  D

Deficiency of vitamin ____causes  rickets.

A. A

B. B 

C. C 

D. D

Deficiency of vitamin ____causes  night blindness.

A. A

B. B 

C. C 

D.  D

Calciun, Sodium, and Iron are _____?

A. Vitamins 

B. Proteins 

C. Minerals 

D. None if these 

__________are the chemical substances needed by the body in very small quantity.

A. Minerals

B. Nutrition

C. Protein 

D. Vitamins

Iron is necessary for the formation of _____.

A. White blood cells 

B. Red blood cells

C. Haemoglobin

D. Plasma