Everyday Science 2143 MCQs [All-Courses]

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.

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

Review Detailed Answer

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

Review Detailed Answer

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

Review Detailed Answer

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

Review Detailed Answer

Correct Answer: Nitrogen dioxide

Human beings use _______ liters of pure oxygen per day.

A 550

B 2500

C 1,050

D 10,000

Review Detailed Answer

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

Review Detailed Answer

Correct Answer: 13.82 billion years

Jupiter has ________ known moons.

A 62

B 73

C 79

D 53

Review Detailed Answer

Correct Answer: 79

The study of heavenly bodies is known as_________?

A Astrology

B Astronautics

C Astronomy

D Astrophysics

Review Detailed Answer

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

Review Detailed Answer

Correct Answer: Electromagnetic radio wave frequencies

Which of the following does not pollute the air?

A Nitrogen Dioxide

B Sulfur dioxide

C Carbon dioxide

D none of these

Review Detailed Answer

Correct Answer: Nitrogen Dioxide

Showing 371 to 380 of 2143 results

Contact Info

Everyday Science 2143 MCQs [All-Courses]

All Topics 2143

All Topics 2143

Montreal Protocol 1987 was__________?

Disolved oxygen (DO) in water should be?

Why normal rain is slightly acidic?

The yellow colour in photochemical smog is due to the presence of____________?

Human beings use _______ liters of pure oxygen per day.

In 2013, Planck measured the age of the universe at ___________?

Jupiter has ________ known moons.

The study of heavenly bodies is known as_________?

kilohertz (kHz) is a unit which measures?

Which of the following does not pollute the air?

Contact Info

Everyday Science 2143 MCQs [All-Courses]

All Topics 2143

All Topics 2143

Everyday Science 2136

Montreal Protocol 1987 was__________?

Disolved oxygen (DO) in water should be?

Why normal rain is slightly acidic?

The yellow colour in photochemical smog is due to the presence of____________?

Human beings use _______ liters of pure oxygen per day.

In 2013, Planck measured the age of the universe at ___________?

Jupiter has ________ known moons.

The study of heavenly bodies is known as_________?

kilohertz (kHz) is a unit which measures?

Which of the following does not pollute the air?