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Everyday Science MCQs

194 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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21
Medium ppsc Uploaded: 01 Sep 2026

The condition caused by an overactive thyroid gland is called:

  • A Hyperthyroidism
  • B Hypothyroidism
  • C Goiter
  • D Diabetes
22
Medium fpsc ppsc nts Uploaded: 22 Jun 2026

Which common everyday substance is classified as a strong acid frequently used in car batteries?

  • A Acetic acid
  • B Sulfuric acid
  • C Citric acid
  • D Carbonic acid
23
Medium fpsc ppsc nts Uploaded: 25 Jun 2026

Which simple machine uses a grooved wheel and rope to lift heavy objects with reduced effort?

  • A Lever
  • B Screw
  • C Pulley
  • D Wedge
24
Medium fpsc ppsc nts Uploaded: 22 Jun 2026

Which type of mirror is commonly used in vehicle side mirrors to provide a wider field of view?

  • A Concave mirror
  • B Convex mirror
  • C Plane mirror
  • D Parabolic mirror
25
Medium fpsc ppsc nts Uploaded: 24 Jun 2026

Which property of sound determines how high or low it is perceived by the human ear?

  • A Amplitude
  • B Frequency
  • C Wavelength
  • D Speed
26
Medium fpsc ppsc nts Uploaded: 03 Jul 2026

Which renewable energy source harnesses heat stored inside the Earth to generate electricity?

  • A Solar
  • B Wind
  • C Tidal
  • D Geothermal
27
Medium fpsc ppsc nts Uploaded: 25 Jun 2026

Which microorganism is primarily responsible for fermenting sugars into alcohol in brewing and winemaking?

  • A Bacteria
  • B Yeast
  • C Algae
  • D Protozoa
28
Medium fpsc ppsc nts Uploaded: 22 Jun 2026

Which common food preservation method works by removing moisture to inhibit bacterial growth?

  • A Refrigeration
  • B Dehydration
  • C Pasteurization
  • D Freezing
29
Medium fpsc ppsc nts Uploaded: 03 Jul 2026

Which everyday process involves the removal of dissolved impurities from water by passing it through a bed of sand and gravel?

  • A Chlorination
  • B Reverse osmosis
  • C Distillation
  • D Filtration through sand beds
30
Medium fpsc ppsc nts Uploaded: 22 Jun 2026

Which vitamin deficiency commonly causes the disease scurvy?

  • A Vitamin A
  • B Vitamin B12
  • C Vitamin C
  • D Vitamin D
31
Medium fpsc ppsc nts Uploaded: 03 Jul 2026

Which organ produces the hormone adrenaline that prepares the body for fight or flight response?

  • A Thyroid gland
  • B Pituitary gland
  • C Pancreas
  • D Adrenal gland
32
Medium fpsc ppsc nts Uploaded: 25 Jun 2026

Which tube connects the middle ear to the throat helping equalize air pressure?

  • A Cochlea
  • B Eustachian tube
  • C Auditory canal
  • D Semicircular canal
33
Medium css fpsc ppsc Uploaded: 03 Jul 2026

Which type of chemical bond involves the sharing of electrons between atoms?

  • A Ionic bond
  • B Metallic bond
  • C Covalent bond
  • D Hydrogen bond
34
Medium fpsc ppsc nts Uploaded: 25 Jun 2026

Which vitamin acts as an antioxidant protecting cells from damage and is found in nuts and seeds?

  • A Vitamin A
  • B Vitamin E
  • C Vitamin K
  • D Vitamin D
35
Medium fpsc ppsc nts Uploaded: 03 Jul 2026

Which everyday observation shows that pressure in a gas increases as temperature increases at constant volume?

  • A Ice melting in the sun
  • B Wood burning in fire
  • C Tyre pressure increasing on a hot day
  • D Water boiling faster with a lid
36
Medium fpsc ppsc nts Uploaded: 25 Jun 2026

Which natural phenomenon explains why a compass needle always points toward magnetic north?

  • A Earth's magnetic field
  • B Earth's gravitational field
  • C Earth's rotation
  • D Solar wind
37
Medium fpsc ppsc nts Uploaded: 03 Jul 2026

Which process allows a submarine to sink or rise by adjusting water in ballast tanks?

  • A Changing buoyancy through water displacement
  • B Evaporation
  • C Osmosis
  • D Thermal expansion
38
Medium fpsc ppsc nts Uploaded: 25 Jun 2026

Which structure in the throat is commonly known as the voice box and is responsible for sound production?

  • A Pharynx
  • B Larynx
  • C Trachea
  • D Epiglottis
39
Medium fpsc ppsc nts Uploaded: 22 Jun 2026

Which biological process allows water to move across a cell membrane from a region of low solute concentration to high concentration?

  • A Diffusion
  • B Osmosis
  • C Active transport
  • D Filtration
40
Medium fpsc ppsc nts Uploaded: 25 Jun 2026

Which everyday phenomenon explains why a metal spoon feels colder than a wooden spoon at the same room temperature?

  • A Metal has higher specific heat
  • B Metal conducts heat away from skin faster
  • C Wood absorbs more light
  • D Metal reflects more heat
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