1. Which of the following is not a bone in the human body? (c)
(a) Sternum
(b) Humerus
(c) Pericardium
(d) Tibia
2. Rennin and lactase, the enzymes required to digest milk, disappear in the human body by the age of (a)
(a) two
(b) three
(c) five
(d) eight
3. Duodenum is situated (a)
(a) at the uppermost part of the small intestine
(b) near the lungs
(c) in the brain
(d) at the tail end of the intestine
4. The heart is covered by a membrane called (d)
(a) Epidermis
(b) Dermis
(c) Epicardium
(d) Pericardium
5. About ……..of the total calcium present in the human body is in the blood. (d)
(a) 99%
(b) 70%
(c) 5%
(d) 1%
