Toggle navigation
Jobs By Countries
Jobs By Cities
GK MCQs/PDF Preparation
Post/Prepare GK Challenge
what
job title, keywords or company name
where
city or state
Everyday science mcqs | GK MCQ Preparation Material
1- A moderator is used in nuclear reactor in order to ?
Slow down the speed of the neutrons
Decrease the number of electrons
Accelerate the neutrons
Increase the number of elections
2- Which of the following atmospheric layers help in radio communication?
Ozone layer
Troposphere
Stratosphere
Ionosphere
3- Monsoon is caused by____________________?
Rain forests
Movement of clouds
Rise in temperature
Seasonal reversal of winds
4- Fuel used in a Fast Breeder Reactor is _____________?
Uranium Plutonium carbide
Uranium thorium Oxide
Uranium Plutonium Oxide
Uranium Oxide
5- Kilowatt-hour is a unit of____________?
Energy
Electric Current
Time
Power
6- The term ‘Blue Shift’ is used to indicate?
Black hole was blue at its start
Turning a star from white to blue
Doppler effect in which an object appears bluer when it is moving towards the observer or observer is moving towards the object.
In future sun would become blue
7- The half life of a radioactive element is 8-days. How long it take to reduce it from 10 mg to 5 mg?
8 days
28 days
14 days
18 days
8- The number of spark plugs needed in a diesel engine is__________?
0
1
2
5
9- Where do most of Asteroids lie?
In asteroid belt between the orbits of Mars and Venus
In asteroid belt between the orbits of Jupiter and Venus
In asteroid belt between the orbits of Mars and Jupiter
Everywhere in the sky
10- Television signals are converted into light signals by___________?
Optical Fiber
Photo diode
Transistor
Decoder
11- Which of the following explains the reason why there is no total eclipse of the sun?
Orbit of moon around earth
Area of the sun covered by the moon
Size of the earth in relation to that of moon
Direction of rotation of earth around sun
12- Which of the following layers make radio transmission possible?
Ionosphere
Mesosphere
Troposphere
Stratosphere
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
GK MCQs/PDF Preparation Material
General Knowledge
Current Affairs
Forces
Islamic Studies Mcqs
Pak Study Mcqs
Everyday Science Mcqs
Urdu Mcqs
Computer Mcqs
MCQs Preparation
Post Challenge !
Follow Us On Social Media
Share
Sponsored Company