Exercise 7

Question 31 :

Soil is formed from the parent rock material by

A). chemical decomposition
B). physical decomposition
C). biological decomposition
D). All of the above
Answer : Option D

Question 32 :

The air we inhale is mixture of gases. Which of the following gases in the mixture is highest in percentage?

A). Carbon dioxide
B). Nitrogen
C). Oxygen
D). Ozone
Answer : Option B

Question 33 :

Oxford university was founded in

A). 1139 AD
B). 1163 AD
C). 215 BC
D). 55 BC
Answer : Option B

Question 34 :

The American General who led the revolt against the British and declared American independence was

A). George Washington
B). Bill Clinton
C). George Bush
D). None of the above
Answer : Option A

Question 35 :

Regular meetings of Trusteeship Council (UNO) are held

A). once a year
B). twice a year
C). thrice a year
D). four times a year
Answer : Option B