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Online Tests
Biology FSC Part 2 Chapter 26 Online MCQ's Test MCQs With Answers
Question # 1
Water used for industrial purposes is about
Choose an answer
9%
90%
70%
50%
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Question # 2
Coniferous forest located at high latitude are called.
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Alpine
Boreal
Talga
Prairies
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Question # 3
Which statement defines the net primary production in an ecosystem over a given time period?
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The total amount of organic matter in the plants in excess of that used in respiration
The total amount of organic matter used in respiration by all the organisms present
The total amount of photosynthesis product from all plants
The total amount of organic matter in all organisms present
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Question # 4
The best way to increase food production from ecosystem view point is:
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To increase cultivable land by clearing forest
Use of excessive fertilizers
Use of high quality pesticides
Use of genetically improved varieties of seeds
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Question # 5
Each nuclear power station only can last for about
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10 years
20 years
30 years
40 years
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Question # 6
What would be expected to happen if all the nitrogen-fixing organisms ceased to exist?
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There would be no significant change in number of animals
The total number of biomass would be reduced
All organisms would die out
The nitrogen level of the atmosphere would be increase
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Question # 7
Modern man is called
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Homo erectus
Homo habilis
Homo sapiens
Homo neanderthalensis
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Question # 8
Oxone molecule is made up by binding of three atoms of
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Nitrogen
Oxygen
Hydrogen
Carbon
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Question # 9
The biome, which has very fertile soil, rich in organic matter with maximum water holding capacity is.
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Alpine forest
Grassiland
Desert
Temperate deciduous forest
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Question # 10
Which of the following is NOT recycled in ecosystem?
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Carbon
Sulphur
Energy
Water
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Question # 11
The arctic tundra stretches acroos Northern North America, Northern Europe and.
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cyprus
Siberia
Morocco
Nepal
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Question # 12
In oceans especially in tropical regions temperature of surface water is about
Choose an answer
10
o
C
15
o
C
25
o
C
35
o
C
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Question # 13
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 # 14
The productivity of aquatic ecosystem is determined by light and
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CO2
Temperature
Nutrients
Water
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Question # 15
Air is being polluted rapidly due to
Choose an answer
Industrialization
Automobiles
Sewage
Both a & b
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Question # 16
Chilas has major terrestrial ecosystem.
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Deciduous forest
Alpine Forest
Grass land
Tundra
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Question # 17
Only 30% of the earth is dry land the remainder being covered with
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Water
Air
Trees
Grass
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Question # 18
A natural process in which surface soil is removed by the action of water or wind is
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Corrosion
Attrition
Erosion
Weathering
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