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NTS MCQs

National Testing Service — Complete MCQ Bank

262 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
11

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
12

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.
Submitted by: PaperMCQs
13

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
14

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.
Submitted by: PaperMCQs
15

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.
Submitted by: PaperMCQs
16

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.
Submitted by: PaperMCQs
17

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.
Submitted by: PaperMCQs
18

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

  • AIodine solution
  • BBenedict's solution
  • CLitmus paper
  • DUniversal indicator
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Correct Answer: Option B — Benedict's solution
Explanation: Benedict's solution is used to test for reducing sugars including glucose and turns from blue to brick-red when heated in the presence of glucose.
Submitted by: PaperMCQs
19

Which common everyday substance is used to test for the presence of starch in food by turning blue-black?

  • AIodine solution
  • BLitmus paper
  • CBenedict's solution
  • DBiuret reagent
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Correct Answer: Option A — Iodine solution
Explanation: Iodine solution turns blue-black in the presence of starch making it a simple and reliable test for detecting starch in food items during food science investigations.
Submitted by: PaperMCQs
20

Which cold-blooded vertebrate group lives entirely in water breathing through gills throughout its life?

  • AFish
  • BAmphibians
  • CReptiles
  • DMammals
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Correct Answer: Option A — Fish
Explanation: Fish are cold-blooded aquatic vertebrates that breathe through gills throughout their entire lives extracting dissolved oxygen from water as they swim.
Submitted by: PaperMCQs