Join WhatsApp ChannelDaily MCQs & Exam Updates

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
131

Which B vitamin deficiency commonly causes the disease beriberi affecting the nervous and cardiovascular systems?

  • AVitamin B1 Thiamine
  • BVitamin B6
  • CVitamin B12
  • DVitamin B2
Permalink
Correct Answer: Option A β€” Vitamin B1 Thiamine
Explanation: Beriberi is caused by a deficiency of Vitamin B1 or thiamine affecting the nervous and cardiovascular systems and was historically common among populations consuming polished rice.
Submitted by: PaperMCQs
132

Which vitamin acts as an antioxidant protecting cells from damage and is found in nuts and seeds?

  • AVitamin A
  • BVitamin E
  • CVitamin K
  • DVitamin D
Permalink
Correct Answer: Option B β€” Vitamin E
Explanation: Vitamin E acts as an antioxidant protecting cells from oxidative damage caused by free radicals and is commonly found in nuts seeds and vegetable oils.
Submitted by: PaperMCQs
133

Which vitamin is essential for proper blood clotting and is often associated with green leafy vegetables?

  • AVitamin A
  • BVitamin C
  • CVitamin K
  • DVitamin E
Permalink
Correct Answer: Option C β€” Vitamin K
Explanation: Vitamin K is essential for proper blood clotting by activating clotting factors in the liver and is commonly found in green leafy vegetables like spinach and kale.
Submitted by: PaperMCQs
134

Which white blood cell type is the most abundant and primarily fights bacterial infections?

  • ALymphocytes
  • BNeutrophils
  • CEosinophils
  • DMonocytes
Permalink
Correct Answer: Option B β€” Neutrophils
Explanation: Neutrophils are the most abundant type of white blood cells and serve as the first line of defense against bacterial infections by engulfing and destroying pathogens.
Submitted by: PaperMCQs
135

Which white blood cell type is primarily responsible for producing antibodies against pathogens?

  • ANeutrophils
  • BLymphocytes
  • CEosinophils
  • DBasophils
Permalink
Correct Answer: Option B β€” Lymphocytes
Explanation: Lymphocytes including B cells and T cells are primarily responsible for producing antibodies and coordinating the immune response against specific pathogens in the body.
Submitted by: PaperMCQs
136

Which fluid in the lymphatic system helps transport white blood cells and remove waste from tissues?

  • APlasma
  • BLymph
  • CSynovial fluid
  • DCerebrospinal fluid
Permalink
Correct Answer: Option B β€” Lymph
Explanation: Lymph is a clear fluid in the lymphatic system that transports white blood cells and helps remove waste and excess fluid from body tissues supporting immune function.
Submitted by: PaperMCQs
137

Which fluid lubricates joints and reduces friction between bones during movement?

  • ACerebrospinal fluid
  • BSynovial fluid
  • CLymph
  • DPlasma
Permalink
Correct Answer: Option B β€” Synovial fluid
Explanation: Synovial fluid lubricates joints and reduces friction between articulating bones allowing smooth and pain free movement during physical activity.
Submitted by: PaperMCQs
138

Which fluid cushions and protects the brain and spinal cord from mechanical shock?

  • ALymph
  • BCerebrospinal fluid
  • CSynovial fluid
  • DPlasma
Permalink
Correct Answer: Option B β€” Cerebrospinal fluid
Explanation: Cerebrospinal fluid surrounds and cushions the brain and spinal cord providing mechanical protection while also supplying nutrients and removing waste from the central nervous system.
Submitted by: PaperMCQs
139

Which protective membranes cover and protect the brain and spinal cord?

  • APleura
  • BPericardium
  • CPeritoneum
  • DMeninges
Permalink
Correct Answer: Option D β€” Meninges
Explanation: The meninges are three protective membrane layers that cover and protect the brain and spinal cord while also containing cerebrospinal fluid that cushions the central nervous system.
Submitted by: PaperMCQs
140

Which membrane surrounds the heart and protects it within the chest cavity?

  • APleura
  • BPericardium
  • CPeritoneum
  • DMeninges
Permalink
Correct Answer: Option B β€” Pericardium
Explanation: The pericardium is a protective membrane surrounding the heart that reduces friction during heartbeats and helps anchor the heart within the chest cavity.
Submitted by: PaperMCQs