1 |
At present population is 2.6 percent, in how many years the population of Pakistan will double. |
47 years
37 years
27 years
17 years
|
2 |
Pakistan's population is 1998 was.......... |
130.5 million
13.5 million
135 million
0.135 million
|
3 |
Teh total number of persons living in an area is called. |
Species
Population
Community
habitat
|
4 |
About ........... percent population of Pakistan is dependent upon agriculture. |
90%
80%
60%
50%
|
5 |
Major cause of depletion of zone layer is. |
Oxygen
Hydrogen
Chlorofluorocarbons
Hydrocarbons
|
6 |
Ozone forms a protective layer in |
Troposphere
Stratosphere
Mesophere
Thermosphere
|
7 |
The proportion of carbon dioxide in air is. |
40 percent
0.4 percent
0.04 percent
0.004 percent
|
8 |
Thickness of atmosphere is. |
200 km
1000 km
1200 km
1600 km
|
9 |
At present average annual population growth rate in Pakistan is 2.6 percent. In how many year it will become double?  |
47 year 
37 year 
17 year
27 year 
|
10 |
It is used in microprocessor of computer |
chromite 
aluminium
silicon
iron
|
11 |
Meat and eggs are rich in  |
carbohydrates 
proteins 
glucose 
vitamin 
|
12 |
The rock from which minerals can be obtained are called: |
silicons
ores
metals
gem stone
|
13 |
The total number of people living together in an area at a particular time is called |
special
population
community
habitat
|
14 |
How much population of Pakistan depends on agriculture |
90%
80%
60%
50%
|
15 |
The height of troposphere above earth's surface is |
10 km 
18 km
20 km 
40 km 
|