What is the main component of bones and teeth
(A) Calcium carbonate
(B) Calcium phosphate
(C) Calcium sulphate
(D) Calcium nitrate
The largest part of the human brain is ___________
(A) Medulla oblongata
(B) Cerebellum
(C) Cerebrum
(D) None of these
Total volume of blood in a normal adult human being is
(A) 5-6 liters
(B) 3-4 liters
(C) 8-10 liters
(D) 10-12 liters
Which of the following helps in clotting of blood
(A) Vitamin B1
(B) Vitamin B2
(C) Vitamin D
(D) Vitamin K
Cobalt is a material which is
(A) Strongly attracted by a magnet
(B) Not attracted by a magnet
(C) not a magnet
(D) Weakly attracted by a magnet
(D) None of these
In humans , most nutrient molecules are absorbed by the
(A) Small intestine
(B) Stomach
(C) Liver
(D) Large intestine
(D) None of these