Practice Biology gk set 2 - general science mcq Online Quiz (set-1) For All Competitive Exams

Q-1)   The number of teeth that are developed twice in the lifetime of human being is

(a)

(b)

(c)

(d)


Q-2)   How many pairs of nerves arise from the spinal cord?

(a)

(b)

(c)

(d)


Q-3)   At the age of 20 years, the number of bones in human body is approximately

(a)

(b)

(c)

(d)


Q-4)   The percentage of water in an adult human body is around

(a)

(b)

(c)

(d)


Q-5)   A healthy human being excretes the following litres of urine in 24 hours.

(a)

(b)

(c)

(d)


Q-6)   Mammals respire by

(a)

(b)

(c)

(d)


Q-7)   The most abundant element found in the human body is

(a)

(b)

(c)

(d)


Q-8)   Which of the following is the strongest part of our body?

(a)

(b)

(c)

(d)


Q-9)   The bones are held together by elastic tissues are called

(a)

(b)

(c)

(d)


Q-10)   Which of the following is the smallest bone in the human body?

(a)

(b)

(c)

(d)