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: nergy stored in food is mainly in the form of
A) Chemical
B) Electrical
C) Mechanical
D) Heat
Q: The unit of frequency is called
A) Newton
B) Hertz
C) Joule
D) Watt
Q: Electric current flows in a circuit due to
A) Magnetic force
B) Chemical reaction
C) Gravity
D) Potential difference
Q: Photosynthesis primarily takes place in which plant cell organelle?
A) Ribosome
B) Nucleus
C) Mitochondria
D) Chloroplast
Q: The speed of light is approximately
A) 50,000 km/s
B) 150,000 km/s
C) 100,000 km/s
D) 300,000 km/s
Q: Common salt used in food is chemically known as
A) Potassium nitrate
B) Sodium oxide
C) Calcium carbonate
D) Sodium chloride
Q: The energy transformation in an electric fan is
A) Electrical to heat
B) Heat to mechanical
C) Electrical to mechanical
D) Mechanical to sound
Q: The metal commonly used in electrical wiring is
A) Iron
B) Copper
C) Aluminium
D) Zinc
Q: The device that converts sound energy into electrical signals is called
A) Resistor
B) Microphone
C) Speaker
D) Amplifier
Q: Boiling point of water at sea level is
A) 90°C
B) 120°C
C) 100°C
D) 110°C