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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
21

Which warm-blooded animal group nourishes its young with milk and typically gives birth to live young?

  • ABirds
  • BReptiles
  • CAmphibians
  • DMammals
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Correct Answer: Option D — Mammals
Explanation: Mammals are warm-blooded vertebrates that nourish their young with milk secreted from mammary glands most give birth to live young and have body hair or fur.
Submitted by: PaperMCQs
22

Which cold-blooded animal group is covered in scales breathes air through lungs and lays eggs on land?

  • AAmphibians
  • BReptiles
  • CFish
  • DArthropods
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Correct Answer: Option B — Reptiles
Explanation: Reptiles are cold-blooded animals covered in scales that breathe through lungs and typically lay leathery eggs on land including snakes lizards turtles and crocodiles.
Submitted by: PaperMCQs
23

Which type of animal can live both on land and in water, such as frogs and toads?

  • AReptiles
  • BMammals
  • CAmphibians
  • DFish
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Correct Answer: Option C — Amphibians
Explanation: Amphibians are cold-blooded animals adapted to live both on land and in water breathing through gills as larvae and developing lungs as adults examples include frogs toads and salamanders.
Submitted by: PaperMCQs
24

Which animal group lacks a backbone and includes insects worms and molluscs?

  • AVertebrates
  • BAmphibians
  • CReptiles
  • DInvertebrates
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Correct Answer: Option D — Invertebrates
Explanation: Invertebrates are animals that lack a backbone representing approximately 97 percent of all animal species including insects worms spiders and molluscs.
Submitted by: PaperMCQs
25

Which animal group is characterised by having a backbone or vertebral column?

  • AVertebrates
  • BInvertebrates
  • CArachnids
  • DArthropods
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Correct Answer: Option A — Vertebrates
Explanation: Vertebrates are animals characterised by having a backbone or vertebral column and include fish amphibians reptiles birds and mammals.
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26

Which everyday substance when mixed with water forms a solution that conducts electricity?

  • ASugar
  • BTable salt
  • CSand
  • DOil
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Correct Answer: Option B — Table salt
Explanation: Table salt sodium chloride dissolves in water and dissociates into positively charged sodium ions and negatively charged chloride ions which allow electric current to flow through the solution.
Submitted by: PaperMCQs
27

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

  • AChlorination
  • BReverse osmosis
  • CDistillation
  • DFiltration through sand beds
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Correct Answer: Option D — Filtration through sand beds
Explanation: Sand bed filtration passes water through layers of sand and gravel that trap suspended particles and some bacteria providing one of the main stages in drinking water treatment.
Submitted by: PaperMCQs
28

Which common acid is found in citrus fruits like lemons and oranges giving them a sour taste?

  • AAcetic acid
  • BSulfuric acid
  • CCitric acid
  • DFormic acid
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Correct Answer: Option C — Citric acid
Explanation: Citric acid is the naturally occurring organic acid found abundantly in citrus fruits such as lemons limes and oranges responsible for their distinctive sour or tart taste.
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29

Which common household acid is found in vinegar and gives it its sour taste and smell?

  • ASulfuric acid
  • BAcetic acid
  • CHydrochloric acid
  • DCitric acid
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Correct Answer: Option B — Acetic acid
Explanation: Acetic acid also known as ethanoic acid is the organic acid present in vinegar typically at a concentration of 4 to 8 percent giving it its characteristic sour taste.
Submitted by: PaperMCQs
30

Which process in plants involves losing water vapour through stomata helping in cooling and nutrient transport?

  • ATranspiration
  • BPhotosynthesis
  • CRespiration
  • DOsmosis
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Correct Answer: Option A — Transpiration
Explanation: Transpiration is the loss of water vapour from plant leaves through stomata which creates a suction force that helps pull water and nutrients up from the roots.
Submitted by: PaperMCQs