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Online Tests
Biology Fsc Part 2 Chapter 12 Online Test MCQs With Answers
Question # 1
Oxone molecule is made up by binding of three atoms of
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Nitrogen
Oxygen
Hydrogen
Carbon
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Question # 2
Fresh water ecosystem covers less than.
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1%
3%
5%
7%
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Question # 3
The fossil fuels are
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Coal
Oil
Gas
All a,b and c
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Question # 4
Coniferous forest located at high attitude are called.
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Boreal
Alpine
Talga
Prailes
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Question # 5
The zone, rich in life, in a fresh water lake is called.
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Littoral zone
Profundal zone
Limnetic zone
Deseret
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Question # 6
The zoological name of leopard cat is.
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Fells domestica
Felis leo
Feilsbengalensis
Felisparodus
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Question # 7
Perhaps the most fragile of all the biomes, because of its short growing season is.
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Tundra
Desert
Grass land
Temperate deciduous forest
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Question # 8
The producers in limnetic zone are
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Amoebae
Cyanobacteria
Crustaceans
Hydrilla
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Question # 9
In which type of ecosystem in the smallest fraction of nutrients present in soil.
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Forest
Savanna
Grass land
Desert
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Question # 10
A form of air pollution in which airbone acids produced by electric utility plants and other sources fall to Earth in distant regions is
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Acid rain
Basic rain
Heavy rain
Drizzling
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Question # 11
a succulent plant has water stored in tissue.
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Cacti
Moss
Yarrow
Spruce
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Question # 12
At the time of independence in 1947 the population of pakistan was
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10 m
20 m
25.7 m
32.5 m
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Question # 13
Clearance of vast areas of forest for lumber planting subsistence crops or grazing cattle is called as
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Deforestation
A-forestation
Forestation
Both a & b
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Question # 14
In succesion lithoseres takes place on:
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Sand
Water
Forest floor
Bare rocks
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Question # 15
The productivity of aquatic ecosystem is determined by light and
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CO2
Temperature
Nutrients
Water
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Question # 16
A dominant plant of the deciduous forest is the
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Cactus
Acacia
euphorbia
Taxusbaccata
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Question # 17
Modern man is called
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Homo erectus
Homo habilis
Homo sapiens
Homo neanderthalensis
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Question # 18
The productivity can be indicated by.
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Consumption of CO2
Consumption of O2
Evolution of CO2
Evolution of N2
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