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PPSC MCQs

Punjab Public Service Commission β€” Complete MCQ Bank

273 Questions
Exam Preparation Guide

How to prepare for PPSC

PPSC examinations recruit candidates for Punjab government departments and commonly test general knowledge, current affairs, English and post-related subjects.

Punjab AffairsGeneral KnowledgeCurrent AffairsEnglish
Give special attention to Punjab geography, history and administration alongside the advertised post’s specialist syllabus.
PPSC preparation illustration
191

Which medical condition is characterized by persistently high blood pressure that can increase the risk of heart disease?

  • AHypertension
  • BDiabetes
  • CAsthma
  • DAnemia
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Correct Answer: Option A β€” Hypertension
Explanation: Hypertension is a medical condition characterized by persistently elevated blood pressure which over time increases the risk of heart disease stroke and kidney damage if untreated.
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192

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 β€” 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.
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193

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 β€” 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.
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194

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 β€” 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.
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195

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

  • ARibosome
  • BMitochondria
  • CLysosome
  • DGolgi apparatus
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Correct Answer: Option A β€” 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.
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196

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 β€” 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.
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197

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

  • AMitochondria
  • BNucleus
  • CChloroplast
  • DVacuole
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Correct Answer: Option C β€” 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.
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198

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 β€” 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.
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199

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 β€” 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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200

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 β€” 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.
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