1 |
In 2001, world's largest iron ore producer was: |
U.S.A
Russian Federation
Brazil
Australia
|
2 |
During 2001, world's iron ore production was: |
1000 million metric tons
500 million metric tons
580 million metric tons
2000 million metric tons
|
3 |
In 1990, world's largest producer of iron ore was: |
Russia
United States of America
China
India
|
4 |
According to June 1990 estimates, ironore reserves of the world are: |
300,000 million metric tons
100,000 metric tons
50,000 metric tons
1000 million metric tons
|
5 |
In the world, percentage of iron production among metals is: |
Only 25 percent
90 percent
50 percent
About 70 percent
|
6 |
People are aware about iron use: |
For thousand years
Since 5000 B.C
In 1750 A.D during industrial revolution
Were not aware until 18th century
|
7 |
From economic point of view, iron is world's most: |
Useful & cheap metal
Costly metal
Rare metal
Rare available metal
|
8 |
Evolution of modern civilization is dependent upon: |
Agriculture
Minerals
Education
Human effort
|
9 |
Mining is considered as man's: |
Primary economic activity
Quinary economic activity
Secondary economic activity
Tertiary economic activity
|
10 |
The ripening period of rape seed crop is: |
90-120 days
200 days
One year
60 days
|
11 |
The continent of Europe is largest producer of: |
Sunflower
Sugar-cane
Rice
Tea
|
12 |
In the world, largest sunflower producing country is: |
Ukraine
Argentina
U.S.A
Russian Federation
|
13 |
In the world, sunflower crop is being cultivated in: |
Most of the countries
All countries
60 countries
100 countries
|
14 |
In groundnut production, the continent of Asia: |
Rank first
Have not any position
Rank second
Have very prominent position
|
15 |
In the world, largest producer of ground-nut is: |
India
China
U.S.A
Nigeria
|