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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

The number of spark plugs needed in a diesel engine is__________?

A 2
B 3
C 0
D 4
Correct Answer: 0

Pluto is known as dwarf planet because which of the following reason/s:

A It has negligible mass
B It has not nearly round shaped
C It does not have always same neighbouring planet
D All of the above
Correct Answer: It does not have always same neighbouring planet

Where do most of Asteroids lie?

A In asteroid belt between the orbits of Mars and Jupiter
B In asteroid belt between the orbits of Mars and Venus
C In asteroid belt between the orbits of Jupiter and Venus
D Everywhere in the sky
Correct Answer: In asteroid belt between the orbits of Mars and Jupiter

Which of the following phenomena of light are involved in the formation of a rainbow?

A Refraction
B Dispersion
C Total internal reflection
D All of the above
Correct Answer: All of the above

Television signals are converted into light signals by___________?

A Optical fiber
B Transistor
C Decoder
D Photo diode
Correct Answer: Photo diode

How many major gases have been used in re​frig​er​a​tors since its invention?

A 2
B 3
C 4
D 5
Correct Answer: 3

Which of the following explains the reason why there is no total eclipse of the sun?

A Size of the earth in relation to that of moon
B Orbit of moon around earth
C Direction of rotation of earth around sun
D Area of the sun covered by the moon
Correct Answer: Area of the sun covered by the moon

Which planet looks reddish in the night sky ?

A Jupiter
B Saturn
C Mars
D MercurY
Correct Answer: Mars

Which of the following layers make radio transmission possible?

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

Pregnancy time period of “mice” is ___________?

A 2 weeks
B 2.5 weeks
C 3 weeks
D 4 weeks
Correct Answer: 3 weeks
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