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: Identify the main gas found in the air we breathe
A) Hydrogen
B) Nitrogen
C) Oxygen
D) Carbon dioxide
✅ Correct Answer: B
Explanation: Nitrogen makes up about 78% of Earth's atmosphere.
Q: Locate the organ responsible for pumping blood
A) Lungs
B) Brain
C) Heart
D) Liver
✅ Correct Answer: C
Explanation: Heart circulates blood throughout the body.
Q: Name the force that pulls objects toward Earth
A) Gravity
B) Magnetism
C) Friction
D) Tension
✅ Correct Answer: A
Explanation: Gravity attracts objects toward the center of the Earth.
Q: Choose the part of the plant involved in photosynthesis
A) Root
B) Stem
C) Flower
D) Leaf
✅ Correct Answer: D
Explanation: Leaf contains chlorophyll which enables photosynthesis.
Q: Find the planet known as the Red Planet
A) Jupiter
B) Saturn
C) Venus
D) Mars
✅ Correct Answer: D
Explanation: Mars appears red due to iron oxide on its surface.
Q: Pick the acid commonly found in lemon juice
A) Acetic acid
B) Hydrochloric acid
C) Sulphuric acid
D) Citric acid
✅ Correct Answer: D
Explanation: Citric acid gives lemon its sour taste.
Q: Determine the process by which water changes into vapor
A) Freezing
B) Evaporation
C) Sublimation
D) Condensation
✅ Correct Answer: B
Explanation: Evaporation occurs when water turns into vapor.
Q: Highlight the basic unit of matter
A) Cell
B) Molecule
C) Atom
D) Proton
✅ Correct Answer: C
Explanation: Atom is the smallest unit of matter with properties of an element.
Q: Choose the natural satellite of Earth
A) Moon
B) Mars
C) Venus
D) Sun
✅ Correct Answer: A
Explanation: Moon revolves around Earth and reflects sunlight.
Q: Select the device used to measure temperature
A) Thermometer
B) Hygrometer
C) Barometer
D) Altimeter
✅ Correct Answer: A
Explanation: Thermometer measures the degree of heat or cold.