The function of hemoglobin is____________
(A) Transportation of oxygen
(B) Destruction of bacteria
(C) Prevention of anemia
(D) Utilization of energy
The main function of the kidney is ____________
(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
The main constituent of hemoglobin is___________
(A) Chlorine
(B) Iron
(C) Calcium
(D) None of these
Short_sightedness can be corrected by using ___________
(A) Convex lens
(B) Concave lens
(C) Convex-concave lens
(D) Concave-convex lens