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Everyday Science 2131 MCQs [All-Courses]

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Prepare effectively with our Everyday Science MCQs designed for PPSC, FPSC, NTS, OTS, PTS, AJKPSC, BPSC, KPPSC, PMS, CSS, and all competitive exams.
Our content covers Physics, Chemistry, Biology, Environment, Human Body, Inventions, Scientific Laws, and daily-life science concepts.
Strengthen your scientific understanding, improve MCQS accuracy, and boost your exam performance with well-structured and updated topics.

All Topics  2131

Which of the following atmospheric layers help in radio communication?

A Exosphere
B Ionosphere
C Troposphere
D Stratosphere
Correct Answer: Ionosphere

Water is a good solvent of ionic salts because:

A It has a high specific heat
B It has no colour
C It has a high dipole moment
D None of these
Correct Answer: It has a high dipole moment

Fuel used in a Fast Breeder Reactor is _____________?

A Uranium Oxide
B Uranium Plutonium carbide
C Uranium Plutonium Oxide
D Uranium thorium Oxide
Correct Answer: Uranium Plutonium Oxide

Which scientist is known as modern father of Astronomy ?

A Einstein
B Newton
C Copernicus
D Archimedes
Correct Answer: Copernicus

Monsoon is caused by____________________?

A Seasonal reversal of winds
B Revolution of earth
C Movement of clouds
D Rise in temperature
Correct Answer: Seasonal reversal of winds

What is the chemical name of Oil of Vitriol?

A Hydrochloric Acid
B Sulphuric Acid
C Nitric Acid
D Muriatic Acid
Correct Answer: Sulphuric Acid

The term ‘Blue Shift’ is used to indicate?

A Doppler effect in which an object appears bluer when it is moving towards the observer or observer is moving towards the object.
B Turning a star from white to blue
C In future sun would become blue
D Black hole was blue at its start
Correct Answer: Doppler effect in which an object appears bluer when it is moving towards the observer or observer is moving towards the object.

According to Quark theory, there are _________ elementary particles.

A Three
B Six
C Nine
D Ten
Correct Answer: Six

The half life of a radioactive element is 8-days. How long it take to reduce it from 10 mg to 5 mg?

A 4 days
B 12 days
C 16 days
D 8 days
Correct Answer: 8 days

Which is the New & Most Important Culprit damaging the ozone Layer?

A Carbon Dioxide
B Chlorofluoro Carbons
C Nitrous Oxide
D Carbon Monoxide
Correct Answer: Nitrous Oxide
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