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General Science MCQ Questions and Answers for competitive exams

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General Science MCQ Questions and Answers for competitive exams UPSC IAS Prelims, SSC CGL, CHSL,UGC NET, bank exams , Entrance exams test Online Quiz practice Questions Practice

General Science gk Questions and Answers

2311.
The filament of electric bulb is made of

a
Nichrome
b
Iron
c
Graphite
d
Tungsten
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2312.
The gas predominantly responsible for global warning is

a
Carbon dioxide
b
Carbon monoxide
c
Nitrous oxide
d
Nitrogen peroxide
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2313.
Saurology is the study of

a
Cockroach
b
Lizards
c
Mosquitoes
d
Snake
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2314.
Which of the following is primarily composed of calcium carbonate?

a
Fish scales
b
Shark teeth
c
Oyster Shells
d
Whale bones
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2315.
The recent atomic weight scale is based on

a
1H2
b
1H1
c
6C12
d
8O16
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2316.
The wonder pigment chlorophyll is present in

a
Mitochondria
b
Centrosomes
c
Quantosomes
d
Lysosomes
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2317.
The location and energy of an electron in an atom can be specified by

a
Quantum numbers
b
Atomic number
c
Atomic mass
d
None of these
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2318.
Why do colloidal substance do not deposited below?

a
Specific gravity is less
b
They are converted to sovent
c
They carry electrical charges
d
It is of very less amount in respect of solvent
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2319.
Rayon is chemically

a
amylase
b
pectin
c
glucose
d
cellulose
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2320.
The freezing point of fresh water is -

a
0◦C
b
4◦C
c
3◦C
d
5◦C
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2321.
The dynamo is a device for converting

a
Heat energy into electrical energy
b
Mechanical energy into electrical energy
c
Magnetic energy into electrical energy
d
None of the above
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2322.
Detergents used for cleaning clothes and utensils contain?

a
nitrates
b
sulphonates
c
bicarbonates
d
bismuthates
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2323.
Gypsum is added to cement clinker to

a
increase the tensile strength of cement
b
decrease the rate of setting of cemen
c
facilitate the formation of colloidal gel
d
bind the particles of calcium silicate
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2324.
Rubber is commonly got from

a
Castilla elastica
b
Michelia Champaca
c
Ficus elastica
d
Hevea brasiliensis
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2325.
The hardest substance available on earth is

a
Diamond
b
Iron
c
Gold
d
Platinum
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