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Everyday Science 2124 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  2124

How many meters are in one mile?
A 1409.34
B 1509.34
C 1609.34
D None of Above
Correct Answer: 1609.34
Montreal Protocol 1987 was__________?
A Treaty among nations to reduce nuclear arsenals
B Climate control treaty
C Treaty to protect ozone layer
D Trade policy about tarrifs
Correct Answer: Treaty to protect ozone layer
Disolved oxygen (DO) in water should be?
A 400 to 800 ppm
B 4000 to 8000 ppm
C 0.4 to 0.5 ppm
D 4 to 5 ppm
Correct Answer: 4 to 5 ppm
Why normal rain is slightly acidic?
A due to presence of dust in air
B carbon dioxide and water in clouds react to form carbonic acid
C Ozone depletion
D All of these
Correct Answer: carbon dioxide and water in clouds react to form carbonic acid
The yellow colour in photochemical smog is due to the presence of____________?
A Sulphur dioxide
B Carbon dioxide
C Nitrogen dioxide
D CFC’s
Correct Answer: Nitrogen dioxide
Human beings use _______ liters of pure oxygen per day.
A 550
B 2500
C 1,050
D 10,000
Correct Answer: 550
In 2013, Planck measured the age of the universe at ___________?
A 13.82 billion years
B 4.53 billion years
C 4.6 billion years
D 4.53 billion years
Correct Answer: 13.82 billion years
Jupiter has ________ known moons.
A 62
B 73
C 79
D 53
Correct Answer: 79
The study of heavenly bodies is known as_________?
A Astrology
B Astronautics
C Astronomy
D Astrophysics
Correct Answer: Astronomy
kilohertz (kHz) is a unit which measures?
A Power used by a current of one ampere
B Electromagnetic radio wave frequencies
C Voltage
D Electric resistance
Correct Answer: Electromagnetic radio wave frequencies
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