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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
Recording of electrical activity of brain is said to be:
Choose an answer
ultrasound
MRI
E.E.G
E.C.G
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Question # 3
The principal of light on whihc the fibre optics works is.
Choose an answer
Reflection
Refraction
Total internal reflection
Dispersion
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Question # 4
If we increasing angle of incidence then at a particular angle incidence the angel of refraction is.
Choose an answer
45
o
60
o
30
o
90
o
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Question # 5
Laser surgery is of special importance in
Choose an answer
heart operation
kidney operation
liver operation
cancer operation
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Question # 6
Element having atomic numebr greater than.......... go on emitting radiations.
Choose an answer
80
92
82
83
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Question # 7
The charge on alpha particle is:
Choose an answer
1
2
4
6
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Question # 8
Radioactivity occurs naturally from all the elecments with atomic number greater than.
Choose an answer
62
72
80
82
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Question # 9
The number of hydrogen isotopes;
Choose an answer
3
2
8
10
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Question # 10
The mass of Beta particle:
Choose an answer
0
4
2
1
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Question # 11
Which type of rays are used in the solar system fitted on ships and submarines to find the hidden secrets under water:
Choose an answer
x - rays
C.T Scan
Ultrasound
Light
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Question # 12
The light of laser is:
Choose an answer
monochromatic
dichromatic
trichromatic
Tetrachrmatic
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Question # 13
In ........ henry Bequeral discovered.
Choose an answer
1895
1886
1896
1898
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Question # 14
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 # 15
Frequency of ultrasound is.
Choose an answer
Less than 20 Hz
20 KHz
30 KHz
More than 20 khn
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