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gk (general knowledge) questions and answers MCQ

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gk (general knowledge) questions and answers MCQ for for all competitive exams UPSC IAS IPS Prelims, SSC CGL ,SSC CHSL general Awareness CTET, UGC NET

Gk Questions and answers

 

946.
How many bits is a byte?

a
8
b
32
c
4
d
16
View Answer
Discuss
947.
What is the name of the CalTech seismologist who invented the scale used to measure the magnitude of earthquakes?

a
Giuseppe Mercalli
b
Charles Richter
c
Hiram Walker
d
Joshua Rumble
View Answer
Discuss
948.
Voltage is sometimes referred to as EMF, or Electromotive?

a
Flash
b
Factor
c
Force
d
Field
View Answer
Discuss
949.
What Enrico Fermi invented?

a
Cyclotron
b
X-ray machine
c
Nuclear reactor
d
Betatron
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Discuss
950.
On a stationary sail boat, air is blown from a fan attached to the boat. The boat

a
Moves in opposite direction in which the air is blown
b
Does not move
c
Moves in the same direction in which air blows
d
Spins around
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Discuss
951.
Who was the first person to patent the JET ENGINE?

a
W. Histell
b
F. Whittle
c
C. Lindbergh
d
B. Owings
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Discuss
952.
When cream is separated from milk

a
The density of milk increases
b
It becomes more viscous
c
The density of milk remains unchanged
d
The density of milk decreases
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Discuss
953.
Primary phloem develops from

a
Protoderm
b
Extrastelar cambium
c
Lateral meristem
d
Provascular tissue
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954.
Plants receive their nutrients mainly from

a
Atmosphere
b
Light
c
Chlorophyll
d
Soil
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955.
The length of wire having resistance of 1 ohm/m in a heater rated at 1000 W and 250 V will be

a
500 m
b
125 m
c
250 m
d
62.5 m
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956.
Sulphur is not present in

a
Iron pyrites
b
Gypsum
c
Chlorapatite
d
Coal
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Discuss
957.
Which of the following rays are more penetrating?

a
Alpha rays
b
X-rays
c
Gamma rays
d
Beta rays
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958.
Planets do not twinkle because

a
They emit light of a constant intensity
b
Their distance from the earth does not change with time
c
They are nearer to earth and hence we receive a greater amount of light and, therefore minor variations in the intensity are not noticeable
d
They are very far away from the earth resulting in decrease in intensity of light
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Discuss
959.
Kilohertz is a unit which measures

a
Electric resistance
b
Voltage
c
Power used by a current of one ampere
d
Electromagnetic radio wave frequencies
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Discuss
960.
Which is the future fuel?

a
Hydrogen
b
Natural Gas
c
Ethanol
d
Methane
View Answer
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