gk (general knowledge) questions and answers MCQ

Posted : 4 months ago

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

 

1.
In what year did the Symantec Corporation first release Norton Antivirus?

a
1990
b
1995
c
1988
d
1997

2.
Radio telescopes are better than optical telescopes because

a
They can detect faint galaxies which no optical telescope can
b
They can work even in cloudy conditions
c
They can work during the day and night
d
All of the above

3.
A moving coil instrument can be used to measure

a
High frequency alternating current
b
Low frequency alternating current
c
Direct current
d
Direct current and alternating current both

4.
In an atomic nucleus, neutrons and protons are held together by

a
Gravitational forces
b
Exchange forces
c
Magnetic forces
d
Coulombic forces

5.
The formula C6H5-CO-CH3 represents

a
Acetophenone
b
Acetic acid
c
Acetone
d
Phenyl acetate

6.
Open circuit test on transformer measures

a
Impedance and insulation resistance
b
Voltage regulation
c
Eddy current loss
d
Core loss

7.
The property of a substance to absorb moisture from the air on exposure is called

a
Desiccation
b
Efflorescence
c
Osmosis
d
Deliquescence

8.
Pencil 'lead' is made up of

a
Lampblack
b
Lead oxide
c
Charcoal
d
Graphite

9.
In certain diseases antibiotics are administered. The object is

a
Inhibit the growth of bacteria
b
Produce toxins against bacteria
c
Stimulate production of white blood cells for fighting the disease
d
Stimulate production of antibodies

10.
CORN FLAKES - Who made them first?

a
Nabisco
b
Quaker
c
Archers
d
Kellogg

11.
Which of the following is used as a moderator in nuclear reactor?

a
Thorium
b
Radium
c
Ordinary water
d
Graphite

12.
For what does the world owe Almon Strowger a debt of gratitude?

a
Traffic Lights
b
Automatic Telephone Exchanges
c
Parking Meters
d
Vending Machines

13.
The normal threshold of hearing is around

a
45-60 db
b
100-120 db
c
60-80 db
d
25-45 db

14.
The planet which is farthest from the Sun is

a
Neptune
b
Pluto
c
Saturn
d
Uranus

15.
What item, originally called the 'Whirlwind', was invented by Ives McGaffey in 1869?

a
Blender
b
Washing machine
c
Electric mixer
d
Vacuum cleaner

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gk (general knowledge) questions and answers MCQ

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