Exercise 3

Question 1 :

The layer of the earth, immediately below the crust, is called

A). outer core
B). inner core
C). inner mantle
D). outer mantle
Answer : Option D

Question 2 :

The highest mountains in Africa, which is not part of any mountains chain, is

A). Mt. Aconcagua
B). Mr. Kilimanjaro
C). Mt. Kosciusco
D). Mont Blanc
Answer : Option B

Question 3 :

The heavier silicates named as 'Sima' or silica + magnesium are most abundant in the

A). crust
B). core
C). mantle
D). ocean floors
Answer : Option D

Question 4 :

The imaginary line on the earth's surface, which closely follows the 180 º meridian, is called the

A). International Date Line
B). Tropic of Cancer
C). Equator
D). Prime Meridian
Answer : Option A

Question 5 :

The largest part of our hydrosphere is

A). Atlantic Ocean
B). Indian Ocean
C). Pacific ocean
D). Antarctica ocean
Answer : Option C