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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
201

Which macronutrient is essential for building and repairing body tissues such as muscles?

  • ACarbohydrates
  • BFats
  • CProteins
  • DFiber
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Correct Answer: Option C — Proteins
Explanation: Proteins are essential macronutrients required for building and repairing body tissues including muscles skin and organs as they provide the amino acids needed for cellular growth.
Submitted by: PaperMCQs
202

Which macronutrient is the body's primary and most efficient source of quick energy?

  • AProteins
  • BFats
  • CCarbohydrates
  • DVitamins
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Correct Answer: Option C — Carbohydrates
Explanation: Carbohydrates serve as the body's primary and most efficient source of quick energy as they are readily broken down into glucose which cells use for immediate fuel.
Submitted by: PaperMCQs
203

Which common food item is a good source of dietary fiber important for digestive health?

  • AWhite bread
  • BWhole grains
  • CRefined sugar
  • DProcessed cheese
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Correct Answer: Option B — Whole grains
Explanation: Whole grains are an excellent source of dietary fiber which supports healthy digestion regulates blood sugar levels and helps maintain overall gastrointestinal health.
Submitted by: PaperMCQs
204

Which everyday observation demonstrates the concept of inertia in physics?

  • AA ball rolling downhill
  • BA seated passenger jerking forward during sudden braking
  • CWater boiling at high altitude
  • DA magnet attracting iron filings
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Correct Answer: Option B — A seated passenger jerking forward during sudden braking
Explanation: A seated passenger jerking forward during sudden braking demonstrates inertia as the body continues moving forward due to its tendency to resist changes in its state of motion.
Submitted by: PaperMCQs
205

Which natural process explains how mountains gradually wear down over long periods of time?

  • AErosion
  • BDeposition
  • CSedimentation
  • DWeathering and erosion
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Correct Answer: Option D — Weathering and erosion
Explanation: Weathering and erosion together explain how mountains gradually wear down over long periods through physical chemical and biological processes that break down and transport rock material.
Submitted by: PaperMCQs
206

Which renewable energy source generates electricity by harnessing the flow of water through dams or rivers?

  • ASolar energy
  • BWind energy
  • CHydropower
  • DGeothermal energy
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Correct Answer: Option C — Hydropower
Explanation: Hydropower generates electricity by harnessing the kinetic energy of flowing water typically through dams or river turbines making it one of the oldest renewable energy sources used worldwide.
Submitted by: PaperMCQs
207

Which renewable energy source uses moving air currents to generate electricity through turbines?

  • ASolar energy
  • BWind energy
  • CHydropower
  • DBiomass energy
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Correct Answer: Option B — Wind energy
Explanation: Wind energy uses moving air currents to rotate large turbine blades which drive generators to produce electricity offering a clean and increasingly cost effective renewable power source.
Submitted by: PaperMCQs
208

Which renewable energy source harnesses sunlight directly to generate electricity?

  • AWind energy
  • BSolar energy
  • CHydropower
  • DGeothermal energy
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Correct Answer: Option B — Solar energy
Explanation: Solar energy harnesses sunlight directly using photovoltaic cells to generate electricity providing a clean and renewable alternative to fossil fuel based power generation.
Submitted by: PaperMCQs
209

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

  • ACarbon dioxide
  • BChlorofluorocarbons
  • CMethane
  • DNitrogen
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Correct Answer: Option B — Chlorofluorocarbons
Explanation: Chlorofluorocarbons CFCs once widely used as refrigerants were linked to ozone layer depletion as they release chlorine atoms that break down ozone molecules in the stratosphere.
Submitted by: PaperMCQs
210

Which everyday phenomenon demonstrates the principle of capillary action in plants?

  • APhotosynthesis
  • BTranspiration
  • CWater rising through plant stems
  • DRespiration
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Correct Answer: Option C — Water rising through plant stems
Explanation: Capillary action allows water to rise through narrow xylem vessels in plant stems against gravity helping transport water and nutrients from roots to leaves throughout the plant.
Submitted by: PaperMCQs