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Everyday Science MCQs

Learn important and useful science facts that help you in daily life and job exams with our Everyday Science MCQs. This section covers simple questions from physics, chemistry, biology, environment, and general science. You will understand things like how the human body works, how machines run, natural events, and more. These MCQs are made for job tests like FPSC, NTS, PPSC, SPSC, BPSC, PMS, CSS, ISSB, and one-paper exams. All questions follow the latest syllabus and paper patterns. At Jobexams, we prepare everything to help you pass your job exams and job tests easily. New questions are added regularly — so you can stay ready and confident.

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1 Chemistry MCQs

How many major gases have been used in refrigerators since its invention?

  • 2
  • 3
  • 4
  • 5
0 Comments
Correct Answer: B. 3

Explanation:

Refrigeration is one of the most important technological advancements in modern life, and ... Read More Details

2 Physics MCQs

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

  • Refraction
  • Dispersion
  • Total internal reflection
  • All of the above
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Correct Answer: D. All of the above

Explanation:

A rainbow is one of the most beautiful natural phenomena, and its formation ... Read More Details

3 Environmental Science MCQs

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

  • Carbon Dioxide
  • Chlorofluoro Carbons
  • Nitrous Oxide
  • Carbon Monoxide
0 Comments
Correct Answer: C. Nitrous Oxide

Explanation:

The ozone layer is a protective shield in the stratosphere that absorbs most ... Read More Details

4 Physics MCQs

According to Quark theory, there are _________ elementary particles.

  • Three
  • Six
  • Nine
  • Ten
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Correct Answer: B. Six

Explanation:

Quark theory is an essential concept in modern particle physics that explains the ... Read More Details

5 Chemistry MCQs

What is the chemical name of Oil of Vitriol?

  • Hydrochloric Acid
  • Sulphuric Acid
  • Nitric Acid
  • Muriatic Acid
0 Comments
Correct Answer: B. Sulphuric Acid

Explanation:

The term “Oil of Vitriol” is the old, historical name for the chemical ... Read More Details

6 Chemistry MCQs

Water is a good solvent of ionic salts because:

  • It has a high specific heat
  • It has no colour
  • It has a high dipole moment
  • None of these
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Correct Answer: C. It has a high dipole moment

Explanation:

Water is often called the “universal solvent” because it dissolves more substances than ... Read More Details

7 Biology Mcqs

The main constituent of pearls are: ?

  • Calcium oxide & Ammonium Chloride
  • Calcium Carbonate & Magnesium Carbonate
  • Aragonite & Conchiolin
  • None of the above
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Correct Answer: B. Calcium Carbonate & Magnesium Carbonate

Explanation:

Pearls are organic gems formed inside certain mollusks, such as oysters and mussels, ... Read More Details

8 Chemistry MCQs

LPG consists mainly of: ?

  • Methane, Ethane & Hexane
  • Ethane, Hexane & Nonane
  • Methane, Butane & Propane
  • All of these
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Correct Answer: C. Methane, Butane & Propane

Explanation:

Liquefied Petroleum Gas (LPG) is a fuel mixture mainly made up of butane ... Read More Details

9 Physics MCQs

Stratosphere is present at an altitude between _________.

  • 15 km and 35 km
  • 17 km and 35 km
  • 18 km and 35 km
  • 19 km and 35 km
0 Comments
Correct Answer: A. 15 km and 35 km

Explanation:

The stratosphere is the second major layer of Earth's atmosphere, located above the ... Read More Details

10 Physics MCQs

Stratosphere is the atmospheric layer that absorbs most of __________ that Earth receives from the Sun.

  • Infrared radiation
  • Ultraviolet radiation
  • Ozone layer
  • Radio waves
0 Comments
Correct Answer: B. Ultraviolet radiation

Explanation:

The stratosphere is an important layer of Earth's atmosphere located above the troposphere ... Read More Details

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