20 Must-Know Everyday Science MCQs for NTS, CSS, PMS, KPPSC, PPSC, ETEA, SPSC, BPSC, and FPSC Tests

Are you preparing for competitive exams in Pakistan like the NTS, CSS, PMS, KPPSC, PPSC, ETEA, SPSC, BPSC, and FPSC? A strong grasp of Everyday Science is crucial for success. These exams frequently test candidates on fundamental scientific concepts that apply to our daily lives.

This post provides 20 essential MCQs in Everyday Science, complete with answers. These questions have been curated based on an analysis of past papers to ensure they are relevant and high-yield. Test your knowledge and boost your preparation with these MCQs!

1. The chemical formula for common salt is:

• H₂O
• CO₂
• NaCl
• C₆H₁₂O₆

Answer: NaCl

2. What is the main component of natural gas?

• Methane
• Ethane
• Propane
• Butane

Answer: Methane

3. The instrument used to measure atmospheric pressure is the:

• Thermometer
• Barometer
• Ammeter
• Hydrometer

Answer: Barometer

4. Which part of the human eye is responsible for controlling the amount of light entering it?

• Retina
• Cornea
• Pupil
• Iris

Answer: Iris

5. A deficiency of Vitamin C in the human body can cause:

• Rickets
• Scurvy
• Night blindness
• Beriberi

Answer: Scurvy

6. What is the process by which plants prepare their food?

• Respiration
• Photosynthesis
• Transpiration
• Germination

Answer: Photosynthesis

7. The 'powerhouse of the cell' is the:

• Nucleus
• Ribosome
• Mitochondrion
• Cell Membrane

Answer: Mitochondrion

8. Sound waves cannot travel through:

• Air
• Water
• Steel
• Vacuum

Answer: Vacuum

9. The unit for measuring electric current is:

• Volt
• Watt
• Ohm
• Ampere

Answer: Ampere

10. Which gas is most abundant in the Earth's atmosphere?

• Oxygen
• Carbon Dioxide
• Nitrogen
• Argon

Answer: Nitrogen

11. The study of earthquakes is known as:

• Geology
• Seismology
• Ecology
• Ornithology

Answer: Seismology

12. Bronze is an alloy of copper and:

• Zinc
• Tin
• Nickel
• Aluminum

Answer: Tin

13. Which planet is known as the "Red Planet"?

• Venus
• Mars
• Jupiter
• Saturn

Answer: Mars

14. The universal recipient blood group is:

• A+
• B+
• O-
• AB+

Answer: AB+

15. What is the pH value of pure water?

• 5
• 7
• 9
• 14

Answer: 7

16. The force that opposes the motion of one object over another is called:

• Gravity
• Friction
• Momentum
• Inertia

Answer: Friction

17. The human body has how many bones?

• 206
• 212
• 300
• 198

Answer: 206

18. The lens used to correct farsightedness (hypermetropiis:

• Concave lens
• Convex lens
• Cylindrical lens
• Biconcave lens

Answer: Convex lens

19. What is laughing gas?

• Nitrous Oxide
• Carbon Monoxide
• Sulfur Dioxide
• Hydrogen Peroxide

Answer: Nitrous Oxide

20. The speed of light is approximately:

• 300,000 km/s
• 150,000 km/s
• 500,000 km/s
• 100,000 km/s

Answer: 300,000 km/s