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NTS MCQs

National Testing Service — Complete MCQ Bank

1,084 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
581

Which type of immunity is passed from mother to infant through breast milk or placental transfer?

  • AActive immunity
  • BPassive immunity
  • CInnate immunity
  • DAcquired immunity through vaccination
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Correct Answer: Option B — Passive immunity
Explanation: Passive immunity is passed from mother to infant through breast milk or placental transfer providing temporary protection against infections during the early stages of an infant's life.
Submitted by: PaperMCQs
582

Which type of immunity is gained through vaccination by introducing a weakened or inactivated pathogen?

  • ANatural immunity
  • BAcquired active immunity
  • CPassive immunity
  • DInnate immunity
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Correct Answer: Option B — Acquired active immunity
Explanation: Acquired active immunity is gained through vaccination by introducing a weakened or inactivated pathogen which stimulates the immune system to produce specific antibodies for future protection.
Submitted by: PaperMCQs
583

Which common food item is fortified with iodine in many countries to prevent deficiency related disorders?

  • ATable salt
  • BSugar
  • CCooking oil
  • DFlour
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Correct Answer: Option A — Table salt
Explanation: Table salt is commonly fortified with iodine in many countries as a public health measure to prevent iodine deficiency disorders such as goiter and developmental issues in children.
Submitted by: PaperMCQs
584

Which mineral deficiency is commonly associated with goiter due to impaired thyroid hormone production?

  • AIron deficiency
  • BIodine deficiency
  • CCalcium deficiency
  • DZinc deficiency
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Correct Answer: Option B — Iodine deficiency
Explanation: Iodine deficiency impairs thyroid hormone production leading to goiter an enlargement of the thyroid gland as the body attempts to compensate for insufficient hormone synthesis.
Submitted by: PaperMCQs
585

Which essential mineral is critical for oxygen transport in the blood as a key component of hemoglobin?

  • ACalcium
  • BIron
  • CZinc
  • DMagnesium
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Correct Answer: Option B — Iron
Explanation: Iron is a critical component of hemoglobin the protein in red blood cells responsible for transporting oxygen throughout the body and its deficiency commonly causes anemia.
Submitted by: PaperMCQs
586

Which essential mineral is critical for maintaining strong bones and teeth in the human body?

  • AIron
  • BCalcium
  • CPotassium
  • DZinc
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Correct Answer: Option B — Calcium
Explanation: Calcium is an essential mineral critical for maintaining strong bones and teeth as well as supporting muscle function nerve transmission and proper blood clotting in the body.
Submitted by: PaperMCQs
587

Which common preventive health practice helps reduce the transmission of airborne respiratory infections?

  • AWearing masks
  • BEating more fruit
  • CDrinking more water
  • DSleeping longer
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Correct Answer: Option A — Wearing masks
Explanation: Wearing masks helps reduce the transmission of airborne respiratory infections by blocking respiratory droplets that carry viruses or bacteria from spreading between individuals.
Submitted by: PaperMCQs
588

Which common food borne bacterial disease causes prolonged fever and is transmitted through contaminated food and water?

  • ACholera
  • BTyphoid
  • CMalaria
  • DDengue
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Correct Answer: Option B — Typhoid
Explanation: Typhoid fever is a bacterial disease caused by Salmonella typhi transmitted through contaminated food and water leading to prolonged fever abdominal pain and other systemic symptoms.
Submitted by: PaperMCQs
589

Which parasitic disease transmitted by mosquitoes causes recurring fever and chills due to infection of red blood cells?

  • ADengue
  • BMalaria
  • CTyphoid
  • DCholera
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Correct Answer: Option B — Malaria
Explanation: Malaria is a parasitic disease transmitted by Anopheles mosquitoes causing recurring fever chills and damage to red blood cells due to infection by Plasmodium parasites.
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590

Which mosquito borne disease is characterized by high fever joint pain and a distinctive skin rash?

  • AMalaria
  • BDengue fever
  • CTyphoid
  • DCholera
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Correct Answer: Option B — Dengue fever
Explanation: Dengue fever is a mosquito borne viral disease characterized by high fever severe joint and muscle pain and a distinctive skin rash transmitted primarily by Aedes mosquitoes.
Submitted by: PaperMCQs