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Online Tests
Biology 10th Class English Medium Chapter 16 Online Test MCQs With Answers
Question # 1
Primary source of energy for all ecosystem is.
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Electricity
Sun
Fire
Nutrients
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Question # 2
Conversion of Nitrates into nitrogen gas is called.
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Denitrification
Assimilation
Ammonification
Nitrogen fixtation
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Question # 3
The type of environment in which a particular species lives is called.
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Ecosystem
Habitat
Biosphere
Community
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Question # 4
______ get solar energy and transform it into chemical energy by the process of photosynthesis.
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Decomposers
Producers
consumers
Predators
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Question # 5
An organism that actively hunts other organisms is called.
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Prey
Predator
Parasite
Host
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Question # 6
The nitrate forming bacteria are.
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Rhizobium
Nitrosomonas
Nitrobacter
Cocci
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Question # 7
It is an example of primary consumers.
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Cattles
Snake
Lion
Tiger
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Question # 8
All ecosystems of the world combine to form:
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Community
Population
Biosphere
Competition
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Question # 9
Habitat destruction can result in a loss of:
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Species
Population
Community
Ecosystem
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Question # 10
All Ecosystem of the world join and makes.
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Biosphere
Heterosphere
Geosphere
Hydrosphere
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Question # 11
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 # 12
The type of symbiotic relationship in which one member get benefit and other is harmed is called.
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Parasitism
Mutualism
Commensalism
Predation
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Question # 13
A community and its biotic components is known as:
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Biosphere
Habitat
Ecosystem
Food web
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