Medical Science MCQ & Objective Questions
Medical Science is a crucial subject for students aspiring to excel in their school and competitive exams. Understanding key concepts and practicing MCQs can significantly enhance your exam preparation. By solving objective questions, you can identify important topics and improve your chances of scoring better in exams.
What You Will Practise Here
Fundamentals of Human Anatomy and Physiology
Key Concepts in Microbiology and Immunology
Essential Definitions and Terminology in Medical Science
Important Diagrams related to Body Systems
Pathology and Disease Mechanisms
Pharmacology Basics and Drug Classifications
Common Medical Procedures and Their Implications
Exam Relevance
Medical Science is a significant part of the curriculum for CBSE, State Boards, NEET, and JEE exams. Questions often focus on understanding human body systems, disease processes, and medical terminology. Common patterns include multiple-choice questions that test both theoretical knowledge and practical application, making it essential to be well-prepared with important Medical Science MCQ questions.
Common Mistakes Students Make
Overlooking the importance of diagrams in understanding anatomy.
Confusing similar terms in pharmacology and their applications.
Neglecting to connect theoretical concepts with practical scenarios.
Misinterpreting questions due to lack of careful reading.
FAQs
Question: What are the best ways to prepare for Medical Science MCQs?Answer: Regular practice of objective questions, reviewing key concepts, and understanding diagrams are effective strategies.
Question: How can I improve my score in Medical Science exams?Answer: Focus on solving practice questions and revising important topics consistently.
Now is the time to enhance your understanding of Medical Science! Dive into our practice MCQs and test your knowledge to ensure you are well-prepared for your exams. Remember, consistent practice leads to success!
Q. Which animal is most commonly used for transgenic research?
A.
Dogs
B.
Cats
C.
Mice
D.
Rabbits
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Solution
Mice are the most commonly used animals in transgenic research due to their genetic similarity to humans and short reproductive cycles.
Correct Answer:
C
— Mice
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Q. Which antibiotic class is primarily used to treat infections caused by Gram-positive bacteria and works by inhibiting cell wall synthesis?
A.
Cephalosporins
B.
Fluoroquinolones
C.
Macrolides
D.
Tetracyclines
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Solution
Cephalosporins are used to treat infections caused by Gram-positive bacteria and inhibit cell wall synthesis.
Correct Answer:
A
— Cephalosporins
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Q. Which antibiotic is commonly used to treat severe Vibrio infections?
A.
Amoxicillin
B.
Ciprofloxacin
C.
Vancomycin
D.
Metronidazole
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Solution
Ciprofloxacin is often used to treat severe infections caused by Vibrio species.
Correct Answer:
B
— Ciprofloxacin
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Q. Which antibiotic is commonly used to treat tuberculosis?
A.
Ciprofloxacin
B.
Isoniazid
C.
Vancomycin
D.
Doxycycline
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Solution
Isoniazid is a first-line medication used to treat tuberculosis.
Correct Answer:
B
— Isoniazid
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Q. Which antibiotic is effective against anaerobic bacteria?
A.
Cefazolin
B.
Metronidazole
C.
Amoxicillin
D.
Azithromycin
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Solution
Metronidazole is effective against anaerobic bacteria and is often used for such infections.
Correct Answer:
B
— Metronidazole
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Q. Which antibiotic is effective against methicillin-resistant Staphylococcus aureus (MRSA)?
A.
Cloxacillin
B.
Vancomycin
C.
Ampicillin
D.
Gentamicin
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Solution
Vancomycin is effective against MRSA due to its mechanism of inhibiting cell wall synthesis.
Correct Answer:
B
— Vancomycin
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Q. Which antibiotic is often ineffective against Pseudomonas aeruginosa?
A.
Ciprofloxacin
B.
Piperacillin
C.
Vancomycin
D.
Ceftazidime
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Solution
Vancomycin is often ineffective against Pseudomonas aeruginosa, as it is primarily effective against Gram-positive bacteria.
Correct Answer:
C
— Vancomycin
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Q. Which antibiotic is often used to treat MRSA infections?
A.
Ceftriaxone
B.
Clindamycin
C.
Amoxicillin
D.
Gentamicin
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Solution
Clindamycin is commonly used to treat infections caused by MRSA.
Correct Answer:
B
— Clindamycin
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Q. Which antibody is associated with blood group incompatibility in transfusions?
A.
IgG
B.
IgM
C.
IgA
D.
IgE
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Solution
IgM antibodies can cause agglutination of red blood cells in cases of blood group incompatibility during transfusions.
Correct Answer:
B
— IgM
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Q. Which antibody is primarily found in mucosal areas such as the gut and respiratory tract?
A.
IgG
B.
IgA
C.
IgM
D.
IgD
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Solution
IgA is the main antibody found in mucosal areas, providing a first line of defense against pathogens entering through mucosal surfaces.
Correct Answer:
B
— IgA
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Q. Which antibody is the first to be produced in response to an infection?
A.
IgG
B.
IgA
C.
IgM
D.
IgE
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Solution
IgM is the first antibody produced in response to an infection, providing an initial defense.
Correct Answer:
C
— IgM
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Q. Which antioxidant found in red wine is linked to potential health benefits?
A.
Resveratrol
B.
Quercetin
C.
Catechin
D.
Flavonoids
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Solution
Resveratrol is an antioxidant found in red wine that is linked to potential health benefits.
Correct Answer:
A
— Resveratrol
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Q. Which application is NOT commonly associated with PCR?
A.
Genetic testing
B.
Forensic analysis
C.
Protein synthesis
D.
Pathogen detection
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Solution
PCR is not used for protein synthesis; it is primarily used for amplifying DNA for various applications.
Correct Answer:
C
— Protein synthesis
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Q. Which aquatic microbe is primarily responsible for the decomposition of organic matter?
A.
Cyanobacteria
B.
Fungi
C.
Archaea
D.
Protozoa
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Solution
Fungi play a significant role in the decomposition of organic matter in aquatic environments, breaking down complex materials.
Correct Answer:
B
— Fungi
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Q. Which area of the brain is primarily involved in language comprehension?
A.
Broca's area
B.
Wernicke's area
C.
Motor cortex
D.
Visual cortex
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Solution
Wernicke's area is primarily involved in language comprehension.
Correct Answer:
B
— Wernicke's area
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Q. Which artery supplies blood to the face?
A.
Subclavian artery
B.
Carotid artery
C.
Facial artery
D.
Brachial artery
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Solution
The facial artery is the primary vessel supplying blood to the face.
Correct Answer:
C
— Facial artery
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Q. Which artery supplies blood to the heart muscle itself?
A.
Coronary artery
B.
Pulmonary artery
C.
Aorta
D.
Subclavian artery
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Solution
The coronary arteries supply blood to the heart muscle itself, ensuring it receives oxygen and nutrients.
Correct Answer:
A
— Coronary artery
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Q. Which artery supplies blood to the liver?
A.
Celiac trunk
B.
Renal artery
C.
Hepatic artery
D.
Mesenteric artery
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Solution
The hepatic artery supplies oxygenated blood to the liver.
Correct Answer:
C
— Hepatic artery
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Q. Which autoimmune disease is characterized by dry eyes and dry mouth due to the immune system attacking exocrine glands?
A.
Sjögren's Syndrome
B.
Rheumatoid Arthritis
C.
Systemic Lupus Erythematosus
D.
Ankylosing Spondylitis
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Solution
Sjögren's Syndrome is an autoimmune disease where the immune system attacks the glands that produce moisture, leading to dry eyes and mouth.
Correct Answer:
A
— Sjögren's Syndrome
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Q. Which autoimmune disease is characterized by the presence of anti-citrullinated protein antibodies (ACPAs)?
A.
Rheumatoid Arthritis
B.
Systemic Lupus Erythematosus
C.
Ankylosing Spondylitis
D.
Psoriatic Arthritis
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Solution
Rheumatoid Arthritis is often associated with the presence of anti-citrullinated protein antibodies (ACPAs), which are used as a diagnostic marker.
Correct Answer:
A
— Rheumatoid Arthritis
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Q. Which autoimmune disorder is associated with the overproduction of thyroid hormones?
A.
Hashimoto's Thyroiditis
B.
Graves' Disease
C.
Sjögren's Syndrome
D.
Celiac Disease
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Solution
Graves' Disease is an autoimmune disorder that leads to the overproduction of thyroid hormones due to the immune system's attack on the thyroid gland.
Correct Answer:
B
— Graves' Disease
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Q. Which Bacillus species is commonly used as a biological pesticide?
A.
Bacillus anthracis
B.
Bacillus thuringiensis
C.
Bacillus cereus
D.
Bacillus subtilis
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Solution
Bacillus thuringiensis is widely used as a biological pesticide due to its insecticidal properties.
Correct Answer:
B
— Bacillus thuringiensis
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Q. Which Bacillus species is known for causing food poisoning associated with rice?
A.
Bacillus anthracis
B.
Bacillus cereus
C.
Bacillus subtilis
D.
Bacillus thuringiensis
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Solution
Bacillus cereus is known for causing food poisoning, particularly from improperly stored rice.
Correct Answer:
B
— Bacillus cereus
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Q. Which bacteria are known for their pleomorphic nature?
A.
Cocci
B.
Bacilli
C.
Mycoplasma
D.
Vibrio
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Solution
Mycoplasma bacteria are known for their pleomorphic nature.
Correct Answer:
C
— Mycoplasma
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Q. Which bacteria is commonly associated with food poisoning from undercooked poultry?
A.
Listeria monocytogenes
B.
Clostridium botulinum
C.
Salmonella enterica
D.
Campylobacter jejuni
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Solution
Salmonella enterica is commonly associated with food poisoning from undercooked poultry.
Correct Answer:
C
— Salmonella enterica
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Q. Which bacteria is commonly associated with undercooked eggs?
A.
Listeria
B.
Salmonella
C.
Staphylococcus
D.
Clostridium
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Solution
Salmonella is commonly associated with undercooked eggs, posing a risk of foodborne illness.
Correct Answer:
B
— Salmonella
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Q. Which bacteria is most commonly associated with improperly canned foods?
A.
E. coli
B.
Salmonella
C.
Clostridium botulinum
D.
Listeria monocytogenes
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Solution
Clostridium botulinum is a bacterium that can produce toxins in improperly canned foods, leading to botulism.
Correct Answer:
C
— Clostridium botulinum
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Q. Which bacteria morphology is described as coccobacilli?
A.
Short rods
B.
Long rods
C.
Spherical
D.
Spiral
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Solution
Coccobacilli are short rod-shaped bacteria.
Correct Answer:
A
— Short rods
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Q. Which bacterial pathogen is known for causing a severe, rapidly progressive necrotizing fasciitis?
A.
Streptococcus pyogenes
B.
Escherichia coli
C.
Clostridium perfringens
D.
Staphylococcus aureus
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Solution
Streptococcus pyogenes is known for causing necrotizing fasciitis, a severe and rapidly progressive soft tissue infection.
Correct Answer:
A
— Streptococcus pyogenes
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Q. Which bacterium is commonly associated with food poisoning from undercooked poultry?
A.
Salmonella enterica
B.
Listeria monocytogenes
C.
Escherichia coli
D.
Clostridium perfringens
Show solution
Solution
Salmonella enterica is a common cause of foodborne illness, often linked to undercooked poultry and eggs.
Correct Answer:
A
— Salmonella enterica
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