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Online Tests
Biology 10th Class English Medium Chapter 16 Online Test MCQs With Answers
Question # 1
The populations that live in a habitat and interact with one another are collectively called.
Choose an answer
Biosphere
Ecosystem
Community
species
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Question # 2
Identify the correctly matched pair.
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Rainfall-biotic factor in Ecosystem
Corn-secondary consumers
Global warming fossil fuel formating
Renewable natural resource air
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Question # 3
The conversion of ammonia to nitrates is carried out by soil bacteria. This process is called.
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Nitrification
Denitrification
Nitrogen fixation
Assimilation
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Question # 4
A symbiotic interaction in which both partners get benefits.
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Mutualism
Commensalism
Parasitism
Predation
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Question # 5
Which of the following air pollutant react with water in atmosphere producing acid rain?
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Hydrocarbons fluorine
Flyash, soot
chlorine , smoke
Sulphur dioxide, Nitrogen oxide.
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Question # 6
A group of organisms, similar to one another, which can interbreed in nature and produce fertile off springs.
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Species
Genus
Family
Population
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Question # 7
All ecosystems of the world combine to form.
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Community
Population
Biosphere
Competition
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Question # 8
Which Charles Eiton developed the concept of ecological pyramids?
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1926
1927
1928
1929
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Question # 9
In the food chain"grass......rabbit....... fox..............bear...........mushroom", how many types of decomposers are present"?
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1
2
3
4
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Question # 10
The total amount of living matter in an ecosystem at any time is called.
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Biomass
Energy
Food Chain
Food web
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Question # 11
The thickness of biosphere is:
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02 km
20 km
50 km
200 km
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Question # 12
Ectoparasite is
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Ascaris
Amoeba
Leech
Plasmodium
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Question # 13
The consumers that eat animal flesh as well as plants and plant products are called.
Choose an answer
Herbivores
Carnivores
Omnivores
Insectivores
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