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Online Tests
General Science 8th Class English Medium Online Test MCQs With Answers
Question # 1
How many oxygen atoms are present in onw molecule of Mg(HCO3)2
Choose an answer
2
4
6
8
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Question # 2
On the basis of their functions, neurons are of ............. type.
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Two
Three
Four
Five
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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
Scientific study of space by using especially developed technology is called.
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Space invention
Space exploration
Space searching
Space developing
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Question # 5
A force of 1800 N is acting on the surface area of 0.06 m2. The pressure exerted by he force will be.
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3 kPa
30 KPa
300 kPa
3000 kPa
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Question # 6
The organisms upon whihc a redator feeds are called.
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Prey
Carnivores
Herbivores
Producers
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Question # 7
Sodium hydroxide solution in water will
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Turn blue litmus red
Give pink colour with phenolpthalein
Give red colour with methyl orange.
Not affect the phenolphthalein indicator
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Question # 8
A relationship where two species live together closely is called
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Symbiosis
Predation
Competitor
None of these
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Question # 9
To make bioplastic, we use.
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Starch
Glycerol
Distilled water
Starch, Glycerol and distilled water.
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Question # 10
The organism whose cells and plasmids are usually used in genetic engineering are.
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Viruses
Bacteria
Algae
Fungi
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Question # 11
You are different from your brother and sisters This is called
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Adaptation
Variation
Mitosis
Hereditary
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