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Online Tests
Science 8th Class English Medium Chapter 1 Online Test MCQs With Answers
Question # 1
Organism in ecologicla communits interact with one anothe rin....... major ways.
Choose an answer
Two
three
Four
Five
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Question # 2
All the food chains are joined together to form .....
Choose an answer
Food web
Ecologicla pyramid
Tropicla level
None of these
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Question # 3
Which is the solution of environmental problems.
Choose an answer
Reducing pollution
Plantation
Protection of endangered
All these
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Question # 4
------------- gas is released when dead organisms are decomposed by the decomposers.
Choose an answer
Oxygen
Carbon dioxide
Nitrogen
Hydrogen
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Question # 5
During the combustion of fossil fuel. Which gas is ener the atmosphere.
Choose an answer
Nitrogen
Oxygen
Carbon di oxide
Hydrogen
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Question # 6
Carbon cycle and ............. cycle are teh processes in whihc these minerals circulate between the organisms and the environment.
Choose an answer
Hydrogen
Iodine
Oxygen
Nitrogen
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