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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
181

Which respiratory condition involves inflammation and narrowing of the airways causing difficulty in breathing?

  • ADiabetes
  • BAsthma
  • CArthritis
  • DHypertension
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Correct Answer: Option B — Asthma
Explanation: Asthma is a chronic respiratory condition characterized by inflammation and narrowing of the airways causing wheezing shortness of breath and difficulty breathing especially during triggers.
Submitted by: PaperMCQs
182

Which common disease is caused by a deficiency of insulin or the body's inability to use insulin effectively?

  • AHypertension
  • BDiabetes
  • CAsthma
  • DArthritis
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Correct Answer: Option B — Diabetes
Explanation: Diabetes is a chronic disease caused by insufficient insulin production or the body's inability to use insulin effectively leading to elevated blood glucose levels over time.
Submitted by: PaperMCQs
183

Which cell organelle is primarily responsible for breaking down waste materials and cellular debris?

  • ARibosome
  • BLysosome
  • CNucleus
  • DChloroplast
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Correct Answer: Option B — Lysosome
Explanation: Lysosomes contain digestive enzymes that break down waste materials cellular debris and damaged organelles playing a crucial role in maintaining cellular cleanliness and recycling.
Submitted by: PaperMCQs
184

Which cell organelle is responsible for protein synthesis within a cell?

  • ARibosome
  • BMitochondria
  • CLysosome
  • DGolgi apparatus
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Correct Answer: Option A — Ribosome
Explanation: Ribosomes are responsible for protein synthesis within a cell by translating genetic information from messenger RNA into functional protein chains essential for cellular activity.
Submitted by: PaperMCQs
185

Which cell organelle is often referred to as the powerhouse of the cell due to its role in energy production?

  • ANucleus
  • BMitochondria
  • CRibosome
  • DGolgi apparatus
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Correct Answer: Option B — Mitochondria
Explanation: Mitochondria are referred to as the powerhouse of the cell because they generate ATP through cellular respiration providing the energy required for various cellular functions.
Submitted by: PaperMCQs
186

Which part of a plant cell is primarily responsible for photosynthesis?

  • AMitochondria
  • BNucleus
  • CChloroplast
  • DVacuole
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Correct Answer: Option C — Chloroplast
Explanation: Chloroplasts contain chlorophyll pigment and are primarily responsible for capturing light energy to drive photosynthesis converting carbon dioxide and water into glucose and oxygen.
Submitted by: PaperMCQs
187

Which scientist is credited with developing the first successful smallpox vaccine?

  • ALouis Pasteur
  • BRobert Koch
  • CEdward Jenner
  • DAlexander Fleming
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Correct Answer: Option C — Edward Jenner
Explanation: Edward Jenner developed the first successful smallpox vaccine in 1796 using cowpox material laying the foundation for the field of immunology and modern vaccination practices.
Submitted by: PaperMCQs
188

Which scientist developed the process of pasteurization and contributed significantly to the germ theory of disease?

  • ARobert Koch
  • BLouis Pasteur
  • CAlexander Fleming
  • DEdward Jenner
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Correct Answer: Option B — Louis Pasteur
Explanation: Louis Pasteur developed the pasteurization process and made significant contributions to the germ theory of disease demonstrating that microorganisms cause many illnesses and fermentation processes.
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189

Which scientist is known as the father of modern genetics for his work on pea plant inheritance?

  • ACharles Darwin
  • BGregor Mendel
  • CLouis Pasteur
  • DJames Watson
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Correct Answer: Option B — Gregor Mendel
Explanation: Gregor Mendel is known as the father of modern genetics due to his pioneering experiments on pea plants that established the fundamental laws of inheritance and trait transmission.
Submitted by: PaperMCQs
190

Which scientist is credited with developing the theory of evolution by natural selection?

  • AGregor Mendel
  • BCharles Darwin
  • CLouis Pasteur
  • DRobert Hooke
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Correct Answer: Option B — Charles Darwin
Explanation: Charles Darwin developed the theory of evolution by natural selection explaining how species change over generations through differential survival and reproduction based on inherited traits.
Submitted by: PaperMCQs