info@jobexams.pk
Job Exams Hero

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.

Browse Categories
Quick Results 0 found

Question Coming Soon!

"" isn't in our database yet, but we're adding new questions daily.

1 Physics MCQs

The mesosphere ranges from ________ to _________?

  • 46 km to 85 km
  • 48 km to 85 km
  • 50 km to 85 km
  • 52 km to 85 km
0 Comments
Correct Answer: C. 50 km to 85 km

Explanation:

The mesosphere is a layer of Earth’s atmosphere located above the stratosphere and ... Read More Details

2 Physics MCQs

_________ is the layer wherein most meteors are incinerated before reaching the surface.

  • Troposphere
  • Stratosphere
  • Mesosphere
  • Ionosphere
0 Comments
Correct Answer: C. Mesosphere

Explanation:

The mesosphere is the atmospheric layer where most meteors burn up before they ... Read More Details

3 Physics MCQs

The thermosphere extends from an altitude of ________ to the base of ________ at ________?

  • 75 km, Mesosphere, 670 km
  • 80 km, Ionosphere, 680 km
  • 85 km, Exosphere, 690 km
  • 90 km, Ozone Layer, 690 km
0 Comments
Correct Answer: C. 85 km, Exosphere, 690 km

Explanation:

The thermosphere is one of the upper layers of Earth's atmosphere. It starts ... Read More Details

4 Physics MCQs

Atmosphere is held in place by?

  • Pressure of the planetary body
  • Gravity of the planetary body
  • Charge of the planetary body
  • Heat of the planetary body
0 Comments
Correct Answer: B. Gravity of the planetary body

Explanation:

A planet’s atmosphere is held in place primarily by the force of gravity. ... Read More Details

5 Physics MCQs

The planet retains an atmosphere when?

  • Gravity is low and temperature of atmosphere is great
  • Gravity and temperature both are great
  • Gravity and temperature both are constant
  • Gravity is great and temperature of atmosphere is low
0 Comments
Correct Answer: D. Gravity is great and temperature of atmosphere is low

Explanation:

A planet can retain its atmosphere depending mainly on two important factors: the ... Read More Details

6 Chemistry MCQs

In fireworks, the green flame is produced because of __________?

  • Sodium
  • Barium
  • Mercury
  • Potassium
0 Comments
Correct Answer: B. Barium

Explanation:

Fireworks produce colorful flames because of different chemical elements that emit characteristic colors ... Read More Details

7 Chemistry MCQs

Permanent hardness of water can be removed by adding __________?

  • Chlorine
  • Washing soda
  • Bleaching powder
  • None of these
0 Comments
Correct Answer: B. Washing soda

Explanation:

Permanent hardness of water is caused by the presence of dissolved salts such ... Read More Details

8 Physics MCQs

The two elements that are frequently used for making transistors are:

  • Boron and aluminium
  • Silicon and Germanium
  • Iridium and Tungsten
  • None of these
0 Comments
Correct Answer: B. Silicon and Germanium

Explanation:

Transistors are fundamental components in modern electronic devices. They act as switches or ... Read More Details

9 Physics MCQs

Which of the following was first to be discovered in the chromospheres of the sun?

  • Krypton
  • Xenon
  • Neon
  • Helium
0 Comments
Correct Answer: D. Helium

Explanation:

The element Helium was the first to be discovered in the chromosphere of ... Read More Details

10 Physics MCQs

Which of the following is used as a lubricant?

  • Graphite
  • Silica
  • Iron oxide
  • Diamond
0 Comments
Correct Answer: A. Graphite

Explanation:

Lubricants are substances that reduce friction between two surfaces in contact, allowing them ... Read More Details

Question Categories
General Knowledge Category MCQ'S
Computer Category MCQ'S
Chemistry Category MCQ'S
Pak Departmental Laws & Rules MCQs