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NTS MCQs

National Testing Service — Complete MCQ Bank

1,084 Questions
Exam Preparation Guide

How to prepare for NTS

NTS tests evaluate aptitude, analytical reasoning, quantitative ability, English and subject knowledge for admissions, scholarships and recruitment.

EnglishQuantitative SkillsAnalytical ReasoningSubject Knowledge
Practice under a timer and review weak areas after every test to improve both speed and accuracy.
NTS preparation illustration
361

Which common property of water describes water molecules being attracted to each other through hydrogen bonds?

  • AAdhesion
  • BSurface tension
  • CViscosity
  • DCohesion
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Correct Answer: Option D — Cohesion
Explanation: Cohesion describes the attraction of water molecules to each other through hydrogen bonds and is one reason water forms droplets and has relatively high surface tension.
Submitted by: PaperMCQs
362

Which common property of water is described as the tendency of water molecules to stick to other surfaces?

  • ACohesion
  • BSurface tension
  • CAdhesion
  • DViscosity
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Correct Answer: Option C — Adhesion
Explanation: Adhesion is the property that describes water molecules sticking to other surfaces such as glass or plant cell walls and is responsible for capillary action in plants.
Submitted by: PaperMCQs
363

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

  • ATraditional glass thermometer
  • BInfrared thermometer
  • CAlcohol thermometer
  • DBimetallic thermometer
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Correct Answer: Option B — Infrared thermometer
Explanation: Infrared thermometers detect infrared radiation emitted from the ear canal or forehead and convert it into a temperature reading without making direct contact with the skin.
Submitted by: PaperMCQs
364

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

  • ASolar
  • BWind
  • CTidal
  • DGeothermal
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Correct Answer: Option D — Geothermal
Explanation: Geothermal energy harnesses heat from within the Earth using steam or hot water from underground reservoirs to drive turbines and generate electricity with minimal environmental impact.
Submitted by: PaperMCQs
365

Which common process happens when iron is exposed to oxygen and moisture over time forming a reddish-brown coating?

  • ASublimation
  • BReduction
  • CNeutralisation
  • DOxidation forming iron oxide rust
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Correct Answer: Option D — Oxidation forming iron oxide rust
Explanation: Rusting is an oxidation process where iron reacts with oxygen and water to form iron oxide a reddish-brown substance that weakens and corrodes iron structures over time.
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366

Which type of teeth are flat and chisel-shaped primarily used for cutting and biting food?

  • ACanines
  • BMolars
  • CPremolars
  • DIncisors
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Correct Answer: Option D — Incisors
Explanation: Incisors are the eight flat chisel-shaped front teeth four in each jaw used primarily for cutting and biting into food during eating.
Submitted by: PaperMCQs
367

Which everyday observation shows that white light is composed of multiple colours?

  • AOil floating on water showing colour bands
  • BA prism separating white light into a spectrum
  • CSunlight reflected off water
  • DA glass of water looking clear
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Correct Answer: Option B — A prism separating white light into a spectrum
Explanation: Passing white light through a glass prism causes dispersion splitting it into a visible spectrum of colours from red to violet demonstrating that white light contains multiple wavelengths.
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368

Which type of teeth erupt last in humans typically between ages 17 and 25 and are commonly called wisdom teeth?

  • APremolars
  • BCanines
  • CMolars
  • DThird molars
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Correct Answer: Option D — Third molars
Explanation: Third molars commonly known as wisdom teeth are the last teeth to erupt typically between ages 17 and 25 and are often removed if they grow in misaligned.
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369

Which organ in the human body stores and concentrates urine before it is excreted?

  • AKidney
  • BUrethra
  • CUreter
  • DBladder
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Correct Answer: Option D — Bladder
Explanation: The urinary bladder stores urine produced by the kidneys until it is expelled from the body through the urethra during urination.
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370

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

  • AIce melting in the sun
  • BWood burning in fire
  • CTyre pressure increasing on a hot day
  • DWater boiling faster with a lid
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Correct Answer: Option C — Tyre pressure increasing on a hot day
Explanation: Tyre pressure increases on a hot day because as temperature rises the gas molecules inside move faster increasing the number and force of collisions with the tyre walls.
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