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NTS MCQs

National Testing Service — Complete MCQ Bank

323 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
141
Everyday Science Medium Uploaded: 25 Jun 2026

Which microorganism is primarily responsible for fermenting milk into yogurt?

  • AYeast
  • BLactic acid bacteria
  • CMold
  • DVirus
142
Everyday Science Easy Uploaded: 25 Jun 2026

Which gas produced during fermentation causes dough to rise when making bread?

  • AOxygen
  • BCarbon dioxide
  • CNitrogen
  • DHydrogen
143
Everyday Science Medium Uploaded: 25 Jun 2026

Which everyday material is commonly used as a natural disinfectant due to its antimicrobial properties?

  • ASugar
  • BHoney
  • CSalt water alone
  • DCooking oil
144
Everyday Science Medium Uploaded: 25 Jun 2026

Which everyday process explains why water boils at a lower temperature at high altitudes such as on mountains?

  • ALower atmospheric pressure
  • BHigher atmospheric pressure
  • CIncreased oxygen levels
  • DReduced gravity
145
Everyday Science Medium Uploaded: 25 Jun 2026

Which everyday process explains why food cooks faster in a pressure cooker compared to an open pot?

  • ALower boiling point at high pressure
  • BHigher boiling point at high pressure
  • CReduced heat transfer
  • DIncreased oxygen levels
146
Everyday Science Medium Uploaded: 25 Jun 2026

Which optical phenomenon creates the illusion of water on a hot road surface during sunny days?

  • ARainbow
  • BMirage
  • CAurora
  • DHalo
147
Everyday Science Hard Uploaded: 25 Jun 2026

Which natural phenomenon produces colorful displays of light in polar regions due to solar particles interacting with the atmosphere?

  • ARainbow
  • BAurora
  • CHalo
  • DMirage
148
Everyday Science Medium Uploaded: 25 Jun 2026

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

  • AEarth's magnetic field
  • BEarth's gravitational field
  • CEarth's rotation
  • DSolar wind
149
Everyday Science Medium Uploaded: 25 Jun 2026

Which everyday device converts alternating current into direct current for charging electronic devices?

  • AInverter
  • BRectifier
  • CTransformer
  • DGenerator
150
Everyday Science Medium Uploaded: 25 Jun 2026

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

  • ATransformer
  • BInverter
  • CGenerator
  • DRectifier