Everyday Science MCQs

Everyday Science MCQs test your understanding of basic scientific concepts applied in daily life. This section includes questions from physics, chemistry, biology, and scientific phenomena relevant to everyday experiences. Topics include inventions, discoveries, environmental science, energy, human body, and more. These MCQs are widely asked in competitive exams like CSS, PMS, PPSC, FPSC, and NTS. Our curated question bank is structured to make learning easy and effective, with correct answers and topic-wise breakdowns. Practicing these MCQs helps in developing a scientific mindset and improves accuracy in science-based general knowledge sections of job tests. It's an essential subject for scoring high in the general paper.

Q: Spot the gas used in balloons to make them float
A) Helium
B) Nitrogen
C) Oxygen
D) Hydrogen
โœ… Correct Answer: A
Explanation: Helium is lighter than air and non-flammable.
Q: Decide the organ where digestion begins
A) Liver
B) Mouth
C) Small intestine
D) Stomach
โœ… Correct Answer: B
Explanation: Mouth initiates digestion through chewing and enzymes.
Q: Recognize the part of the eye that controls light entry
A) Lens
B) Cornea
C) Iris
D) Retina
โœ… Correct Answer: C
Explanation: Iris adjusts the pupil size to control light intake.
Q: Indicate the metal that remains liquid at room temperature
A) Iron
B) Copper
C) Mercury
D) Lead
โœ… Correct Answer: C
Explanation: Mercury is the only metal that is liquid at room temperature.
Q: Specify the vitamin produced in skin through sunlight
A) Vitamin C
B) Vitamin A
C) Vitamin D
D) Vitamin K
โœ… Correct Answer: C
Explanation: Vitamin D is synthesized when skin is exposed to sunlight.
Q: Mark the sense organ responsible for balance
A) Nose
B) Skin
C) Ear
D) Eye
โœ… Correct Answer: C
Explanation: Ear helps in maintaining body balance through inner structures.
Q: Identify the planet with the most moons
A) Mars
B) Jupiter
C) Mercury
D) Earth
โœ… Correct Answer: B
Explanation: Jupiter has over 90 moons, the most in the solar system.
Q: Name the part of the atom with a positive charge
A) Electron
B) Neutron
C) Proton
D) Ion
โœ… Correct Answer: C
Explanation: Proton carries a positive charge within the nucleus.
Q: Point out the phase when the Moon is completely visible
A) Full Moon
B) Last Quarter
C) New Moon
D) First Quarter
โœ… Correct Answer: A
Explanation: Full Moon occurs when the entire face is illuminated.
Q: Recognize the gas essential for human respiration
A) Nitrogen
B) Oxygen
C) Hydrogen
D) Carbon dioxide
โœ… Correct Answer: B
Explanation: Oxygen supports cellular respiration in humans.