Exercise 17

Question 41 :

When did first test tube baby - Louise Brown born?


A). 1939
B). 1958
C). 1981
D). 1978
Answer : Option D

Question 42 :

What is the density of population in Chandigarh?


A). 7,902/sq. km
B). 1,008/sq. km
C). 5,512/sq. km
D). 2,669/sq. km
Answer : Option A

Question 43 :

When cream is separated from milk


A). the density of milk increases
B). the density of milk decreases
C). the density of milk remains unchanged
D). it becomes more viscous
Answer : Option A

Question 44 :

When did US astronauts Neil Armstrong and Edwin E. Aldrin land on the moon?


A). July 21, 1969
B). July 21, 1970
C). July 21, 1963
D). July 21, 1972
Answer : Option A

Question 45 :

What is the literacy rate of Punjab?


A). 63.615 per cent
B). 61.03 per cent
C). 69.95 per cent
D). 65.07 per cent
Answer : Option C