set 2 MCQ Questions & Answers Detailed Explanation

Question : 1

At the age of 20 years, the number of bones in human body is approximately

a) 300

b) 100

c) 200

d) None of these

Question : 2

The most abundant element found in the human body is

a) Oxygen

b) Iron

c) Sodium

d) Iodine

Question : 3

When does heart rest?

a) Between two beats

b) Never

c) While sleeping

d) While doing yoga

Question : 4

Where is the governing centre of reflex action located?

a) In spinal cord

b) In cerebrum

c) In cerebellum

d) In nerve cells

Question : 5

How many pairs of nerves arise from the spinal cord?

a) 33

b) 13

c) 31

d) 12

Question : 6

Where does fertilization occur?

a) In Ovary

b) In Uterus

c) In Oviduct

d) In Vagina