- (A) Transportation of oxygen
- (B) Destruction of bacteria
- (C) Prevention of anemia
- (D) Utilization of energy
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- (A) To control blood pressure
- (B) To control body temperature
- (C) To remove waste product from the body
- (D) To help in digestion of food
- (A) Chlorine
- (B) Iron
- (C) Calcium
- (D) None of these
- (A) Liver
- (B) Eyes
- (C) Lungs
- (D) Kidneys
- (A) Convex lens
- (B) Concave lens
- (C) Convex-concave lens
- (D) Concave-convex lens
- (A) Lungs
- (B) Blood
- (C) Skin
- (D) Nerves
- (A) Ears
- (B) Eyes
- (C) Lungs
- (D) Brain
- (A) Heart
- (B) Brain
- (C) Liver
- (D) Sex organ
- (A) Small pox
- (B) Tuberculosis
- (C) Malaria
- (D) Cholera
- (A) Heart
- (B) Lungs
- (C) Spleen
- (D) Kidneys
