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General Science 8th Class English Medium Online Test MCQs With Answers
Question # 1
Th graphical epresentation of tropihic relationship oforaganisms in an ecosystem is called.
Choose an answer
Food Chian
Ecological pyramid
Trophic level
Predation
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Question # 2
The astronauts were a specially designed suite called.
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Space appron
Space dress
Space suit
Space sheet
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Question # 3
The weight of brain of an adult main is.
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1.5 kg
2.0 kg
2.5 kg
3.0 kg
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Question # 4
An electric circuit is the path along whihc.
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Electron revolve around the nucleus of an atom
Electric charge flows.
Magnetic lines of force move
Electric motors move
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Question # 5
Acid used as a dehydrating agent.
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Nitric Acid
Phosphoric acid
Sulphuric acid
Hydrochloric acid
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Question # 6
All the food chains are joined together to form .....
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Food web
Ecologicla pyramid
Tropicla level
None of these
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Question # 7
When light falls on transparent object such as air, water, glass ,etc. It passes through them unchanged, it is called.
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Absorption
Reflection
Transmission
Diffusion
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Question # 8
The chemicla reaction during which a compound splits up into two or more simple substanes, is called.
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Additon reaction
Decomposition
Replacement reaction
Balanced reaction
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Question # 9
Hubble telescope orbits the Earth at a height of about.
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550 km
560 km
500 km
600 km
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Question # 10
Elements of group 17 are called.
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Carbon family
Noble gases
Nitrogen family
Halogen family
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Question # 11
hardest matter on the Earth is.
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Lead
Diamond
Brick
Urea
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