| 1 |
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
|
| 2 |
In the world, percentage of iron production among metals is: |
Only 25 percent
90 percent
50 percent
About 70 percent
|
| 3 |
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
|
| 4 |
From economic point of view, iron is world's most: |
Useful & cheap metal
Costly metal
Rare metal
Rare available metal
|
| 5 |
Evolution of modern civilization is dependent upon: |
Agriculture
Minerals
Education
Human effort
|
| 6 |
Mining is considered as man's: |
Primary economic activity
Quinary economic activity
Secondary economic activity
Tertiary economic activity
|
.gif)
Home
News
Colleges
Courses
Admission
Lectures
Online Test
Past Papers
Date Sheets
Results
Study Abroad
Jobs
Tutors
More
Apps
