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Online Tests
General Science 10th Class English Medium Chapter 10 Online Test MCQs With Answers
Question # 1
Which of the following is a natural fiber:
Choose an answer
Teflon
Cotton
Acrylic
Nylon
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Question # 2
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 # 3
Radioactivity occurs naturally from all the elecments with atomic number greater than.
Choose an answer
62
72
80
82
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Question # 4
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 # 5
Which radiation have zero mass number
Choose an answer
Alpha radiation
Beta ratiation
Gamma radiation
None of these
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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
Frequency of ultrasound is.
Choose an answer
Less than 20 Hz
20 KHz
30 KHz
More than 20 khn
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Question # 8
In engineering department besides heavy machinery the role of ....... industry is examplary.
Choose an answer
Cottage
Steel
Electrical
Paper
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Question # 9
When a ray of light passes from a denser to a rare medium it;
Choose an answer
bends away form the normal to the interface
bends towards the normal
does no bend
non of the above
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Question # 10
The Phenomenon of emission of radiations from radioactive elements is called:
Choose an answer
Doping
Allotropy
Radioactivity
Induction
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Question # 11
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 # 12
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 # 13
Laser is used toproduce three -Dimensional image called.
Choose an answer
Holograms
Holography
Lithotropsy
Radioactive elements
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Question # 14
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 # 15
Emission of ratiations from nucleus is said to be
Choose an answer
Chemical reaction
Atomic reaction
Radioactivity
Nuclear fission
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