M C Q s D r i v e

Everyday Science 2137 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.

Chemical Name of Dry Ice?

A Solid Carbon Dioxide
B Calcium Carbon
C A&B
D Sodium Oxide
Correct Answer: Solid Carbon Dioxide

The main culprit of greenhouse effect is Carbon dioxide. But which is the second element contributing most to greenhouse effect

A Nitrogen Dioxide (NO2)
B Chlorofluorocarbons (CFCs)
C Methane (CH4)
D High-fructose corn syrup (HFCs)
Correct Answer: Methane (CH4)

As a result of which treaty, ozone hole in Antarctica is slowly healing?

A Koyoto protocol
B Ottawa treaty
C Montreal protocol
D Oslo Accord
Correct Answer: Montreal protocol

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