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Online Tests
General Science 10th Class English Medium Chapter 10 Online Test MCQs With Answers
Question # 1
During the preparation of the juice of sugarcane is heated from:
Choose an answer
100°C to 110°C
100° to 120°
100°C to 130°C
100°C to 140°C
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Question # 2
In engineering department besides heavy machinery the role of ....... industry is examplary.
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Cottage
Steel
Electrical
Paper
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Question # 3
If we increasing angle of incidence then at a particular angle incidence the angel of refraction is.
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45
o
60
o
30
o
90
o
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Question # 4
Which of the following is a natural fiber:
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Teflon
Cotton
Acrylic
Nylon
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Question # 5
What discovered radioactivity?
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Einstein
Newton
J.J. Thomson
Henry Becquerel
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Question # 6
Laser surgery is of special importance in
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heart operation
kidney operation
liver operation
cancer operation
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Question # 7
Phosphorous.... and sulphur 35 are employed on living system to trace metabolic path.
Choose an answer
31
30
38
32
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Question # 8
Frequency of ultrasound is.
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Less than 20 Hz
20 KHz
30 KHz
More than 20 khn
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Question # 9
---------------- lasers are presently used for operating cataract and glaucoma.
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Argon
Neon
Helium
Hydrogen
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Question # 10
The rays which are liberated from metal due to collision of fast moving electrons:
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Alpha rays
Beta rays
Gamma rays
x - rays
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Question # 11
Radioactivity occurs naturally from all the elecments with atomic number greater than.
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62
72
80
82
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Question # 12
the test that measures the electrical activity of the heart:
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E.C.G (Electrocardiogram)
E.E.G (Electroencephalography)
M.R.I (Magnetic resonance imaging)
Angiography
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Question # 13
The principal of light on whihc the fibre optics works is.
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Reflection
Refraction
Total internal reflection
Dispersion
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Question # 14
The process of manufacturing food in pants;
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Respiration
Digestion
Fermentation
Photosynthesis
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Question # 15
Emission of ratiations from nucleus is said to be
Choose an answer
Chemical reaction
Atomic reaction
Radioactivity
Nuclear fission
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