Everyday Science MCQs
Everyday Science MCQs cover physics, chemistry, biology, inventions, environment, and human body basics. Ideal for CSS, PMS, PPSC, FPSC, and NTS exams, they boost scientific awareness and accuracy in general knowledge sections.
Q: The layer of atmosphere where weather changes occur is
A) Troposphere
B) Stratosphere
C) Mesosphere
D) Thermosphere
✅ Correct Answer: A
Explanation: Troposphere is the lowest layer where weather forms.
Q: The freezing point of water is
A) 0°C
B) 10°C
C) 32°C
D) 0°F
✅ Correct Answer: A
Explanation: Water freezes at 0 degrees Celsius.
Q: The vitamin essential for blood clotting is
A) Vitamin E
B) Vitamin D
C) Vitamin A
D) Vitamin K
✅ Correct Answer: D
Explanation: Vitamin K plays a key role in blood coagulation.
Q: The chemical used for water purification is
A) Oxygen
B) Nitrogen
C) Chlorine
D) Hydrogen
✅ Correct Answer: C
Explanation: Chlorine kills bacteria and disinfects water.
Q: The planet closest to the Sun is
A) Venus
B) Mercury
C) Earth
D) Mars
✅ Correct Answer: B
Explanation: Mercury is the nearest planet to the Sun.