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Everyday Science MCQs

199 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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181
Medium fpsc ppsc nts Uploaded: 25 Jun 2026

Which part of the human ear is primarily responsible for maintaining balance?

  • A Cochlea
  • B Semicircular canals
  • C Eardrum
  • D Auditory nerve
182
Medium fpsc ppsc nts Uploaded: 22 Jun 2026

Which gas commonly used in refrigerators and air conditioners was historically linked to ozone layer depletion?

  • A Carbon dioxide
  • B Chlorofluorocarbons
  • C Methane
  • D Nitrogen
183
Medium fpsc ppsc nts Uploaded: 03 Jul 2026

Which part of the human body regulates temperature through sweating and blood vessel dilation?

  • A Liver
  • B Lungs
  • C Skin
  • D Kidney
184
Medium fpsc ppsc nts Uploaded: 03 Jul 2026

Which common everyday substance is used to test for the presence of glucose in food and turns brick-red when heated?

  • A Iodine solution
  • B Benedict's solution
  • C Litmus paper
  • D Universal indicator
185
Medium fpsc ppsc nts Uploaded: 25 Jun 2026

Which everyday device converts direct current into alternating current for household appliance use?

  • A Transformer
  • B Inverter
  • C Generator
  • D Rectifier
186
Medium fpsc ppsc nts Uploaded: 22 Jun 2026

Which type of lens is used to correct myopia or nearsightedness?

  • A Convex lens
  • B Concave lens
  • C Bifocal lens
  • D Cylindrical lens
187
Medium fpsc ppsc nts Uploaded: 03 Jul 2026

Which phenomenon explains why a straw placed in a drink allows liquid to be sucked upward?

  • A Gravity pulling liquid
  • B Magnetic force
  • C Atmospheric pressure pushing liquid up
  • D Surface tension alone
188
Medium fpsc ppsc nts Uploaded: 25 Jun 2026

Which part of the human respiratory system is primarily responsible for warming and filtering incoming air?

  • A Trachea
  • B Nasal cavity
  • C Bronchi
  • D Alveoli
189
Medium fpsc ppsc nts Uploaded: 05 Aug 2026

Which gas is most responsible for the depletion of the ozone layer?

  • A Carbon dioxide
  • B Methane
  • C Nitrogen oxide
  • D Chlorofluorocarbons
190
Medium fpsc ppsc nts Uploaded: 22 Jun 2026

Which household appliance operates on the principle of electromagnetic induction to heat food?

  • A Microwave oven
  • B Induction stove
  • C Electric kettle
  • D Toaster
191
Medium nts Uploaded: 07 Aug 2026

Which gas do humans exhale during respiration?

  • A Hydrogen
  • B Oxygen
  • C Carbon dioxide
  • D Nitrogen
192
Medium fpsc ppsc nts Uploaded: 03 Jul 2026

Which everyday device measures body temperature by detecting the infrared radiation emitted from the ear canal or forehead?

  • A Traditional glass thermometer
  • B Infrared thermometer
  • C Alcohol thermometer
  • D Bimetallic thermometer
193
Medium nts Uploaded: 01 Sep 2026

Which of the following is the main cause of acid rain?

  • A Carbon dioxide emissions
  • B Methane emissions
  • C Sulfur dioxide and nitrogen oxide emissions
  • D Ozone depletion
194
Medium fpsc ppsc nts Uploaded: 22 Jun 2026

Which water purification process removes dissolved salts and impurities by forcing water through a semi-permeable membrane?

  • A Chlorination
  • B Reverse osmosis
  • C Boiling
  • D UV purification
195
Medium fpsc ppsc nts Uploaded: 25 Jun 2026

Which gas exchange membrane structure in the lungs maximizes surface area for efficient breathing?

  • A Bronchi
  • B Alveoli
  • C Trachea
  • D Pleura
196
Medium nts Uploaded: 01 Sep 2026

The scientific name for the common cold-causing virus family is:

  • A Retrovirus
  • B Rhinovirus
  • C Coronavirus
  • D Adenovirus
197
Medium fpsc ppsc nts Uploaded: 22 Jun 2026

Which cell organelle is primarily responsible for breaking down waste materials and cellular debris?

  • A Ribosome
  • B Lysosome
  • C Nucleus
  • D Chloroplast
198
Medium fpsc ppsc nts Uploaded: 25 Jun 2026

Which force is primarily responsible for keeping planets in orbit around the sun?

  • A Magnetic force
  • B Gravitational force
  • C Electrostatic force
  • D Nuclear force
199
Medium nts Uploaded: 01 Sep 2026

Which of the following is the main cause of muscle fatigue during intense exercise?

  • A Excess oxygen
  • B Loss of calcium
  • C Buildup of lactic acid
  • D Excess glucose
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