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Everyday Science MCQs

4 Questions Subject Test
Subject Preparation Guide

Prepare Everyday Science with confidence

Understand the science behind daily life through questions covering health, energy, environment, inventions and natural phenomena.

Human BodyEnergyEnvironmentScientific Inventions
Important for general science portions of CSS, PMS, FPSC and provincial tests.
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1
Easy css

What is the primary function of white blood cells?

  • A Clotting blood
  • B Fighting infections
  • C Carrying oxygen
  • D Producing hormones
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Correct Answer: Option B — Fighting infections
Explanation: White blood cells defend the body against infections by identifying, attacking, and destroying harmful pathogens like bacteria and viruses. They are produced in bone marrow and circulate through the blood and lymphatic system continuously.
Submitted by: PaperMCQs
2
Easy css

What is the freezing point of water in Celsius?

  • A -10°C
  • B 5°C
  • C 10°C
  • D 0°C
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Correct Answer: Option D — 0°C
Explanation: Water freezes at 0°C (32°F) under standard atmospheric pressure, transitioning from liquid to solid state as ice. This temperature can shift slightly with impurities or pressure changes, a principle used in antifreeze solutions.
Submitted by: PaperMCQs
3
Easy css

Which scientist proposed the theory of relativity?

  • A Niels Bohr
  • B Galileo Galilei
  • C Isaac Newton
  • D Albert Einstein
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Correct Answer: Option D — Albert Einstein
Explanation: Albert Einstein developed the theory of relativity in the early 20th century, revolutionizing our understanding of space, time, and gravity. His famous equation E=mc² established the relationship between mass and energy.
Submitted by: PaperMCQs
4
Easy css

Which part of the human body produces insulin?

  • A Kidney
  • B Spleen
  • C Liver
  • D Pancreas
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Correct Answer: Option D — Pancreas
Explanation: The pancreas produces insulin, a hormone that regulates blood sugar levels by allowing cells to absorb glucose. Insufficient insulin production leads to diabetes mellitus, a common chronic disease affecting glucose metabolism worldwide.
Submitted by: PaperMCQs
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