Exercise 18

Question 11 :

When did the USSR formally disintegrates into 15 republics?

A). 1991
B). 1992
C). 1993
D). 1994
Answer : Option A

Question 12 :

What was the purpose of EFTA (European Free Trade Association)?

A). To remove all tariffs on trade of industrial goods between the member countries
B). To aid the creation of a single west European market to help boost world trade
C). both (a) and (b)
D). None of the above
Answer : Option C

Question 13 :

What is the normal red blood count per cubic mm?

A). 2 million red blood cells
B). 3 million red blood cells
C). 4 million red blood cells
D). 5 million red blood cells
Answer : Option B

Question 14 :

What is the population density of Andhra Pradesh?

A). 275/sq km
B). 13/sq km
C). 340/sq km
D). 154/sq km
Answer : Option A

Question 15 :

When there is a decrease in the concentration of oxygen in the blood, the breathing rate

A). increases
B). decreases
C). first increases and then decreases
D). is not affected
Answer : Option A