Question # 1

Ozone forms a protective layer in

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Troposphere

Stratosphere

Mesophere

Thermosphere

At present average annual population growth rate in Pakistan is 2.6 percent. In how many year it will become double?

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47 year

37 year

17 year

27 year

Annual population growth rate of Pakistan is.

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3.0 %

2.0%

3.6%

2.6%

Atmosphere is made of................. percent oxygen.

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23

25

21

30

Major cause of depletion of zone layer is.

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Oxygen

Hydrogen

Chlorofluorocarbons

Hydrocarbons

Pakistan's population is 1998 was..........

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130.5 million

13.5 million

135 million

0.135 million

How much population of Pakistan depends on agriculture

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90%

80%

60%

50%

The height of Stratosphere form sea level is.

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50 km

55 km

60 km

45 km

------------------ is one of oldes sources of heat.

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Petroleum

natural gas

None

Coal

Where the ozone make a protective layer?

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Troposphere

Stratosphere

Mesosphere

Thermosphere

About ........... percent population of Pakistan is dependent upon agriculture.

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90%

80%

60%

50%

The total number of people living together in an area at a particular time is called

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special

population

community

habitat

At present population is 2.6 percent, in how many years the population of Pakistan will double.

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47 years

37 years

27 years

17 years

The percentage of oxygen in Air is

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78%

21%

0.04%

33%

The height of troposphere above earth's surface is

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10 km

18 km

20 km

40 km

------------ province of Pakistan is rich with minerals.

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Punjab

Sindh

Balochistan

NWFP

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