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 of the following is a common non-sporing anaerobe found in the human mouth?
A.
Clostridium
B.
Bacteroides
C.
Fusobacterium
D.
Staphylococcus
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Solution
Fusobacterium is a common non-sporing anaerobe found in the human oral cavity.
Correct Answer:
C
— Fusobacterium
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Q. Which of the following is a common opportunistic infection in immunocompromised patients?
A.
Streptococcal pharyngitis
B.
Candidiasis
C.
Tuberculosis
D.
Chlamydia
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Solution
Candidiasis, caused by Candida species, is a common opportunistic infection that can occur in immunocompromised individuals.
Correct Answer:
B
— Candidiasis
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Q. Which of the following is a common pathogen in the Enterobacteriaceae family?
A.
Escherichia coli
B.
Staphylococcus aureus
C.
Streptococcus pneumoniae
D.
Clostridium difficile
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Solution
Escherichia coli is a well-known pathogen within the Enterobacteriaceae family.
Correct Answer:
A
— Escherichia coli
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Q. Which of the following is a common pathological finding in chronic inflammation?
A.
Neutrophilic infiltration
B.
Granuloma formation
C.
Fibrinous exudate
D.
Necrosis
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Solution
Granuloma formation is a characteristic feature of chronic inflammation, often seen in conditions like tuberculosis.
Correct Answer:
B
— Granuloma formation
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Q. Which of the following is a common physical agent that can cause thermal burns?
A.
Steam
B.
Chlorine gas
C.
Benzene
D.
Lead
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Solution
Steam is a common physical agent that can cause thermal burns due to its high temperature.
Correct Answer:
A
— Steam
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Q. Which of the following is a common postmortem change observed in the liver?
A.
Cirrhosis
B.
Fatty change
C.
Postmortem hypostasis
D.
Hemorrhage
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Solution
Postmortem hypostasis refers to the pooling of blood in the liver, which is a common observation after death.
Correct Answer:
C
— Postmortem hypostasis
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Q. Which of the following is a common probiotic strain found in fermented foods like sauerkraut?
A.
Lactobacillus
B.
Escherichia coli
C.
Staphylococcus
D.
Bacillus cereus
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Solution
Lactobacillus is a common probiotic strain found in fermented foods like sauerkraut.
Correct Answer:
A
— Lactobacillus
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Q. Which of the following is a common receptor type that binds steroid hormones?
A.
Tyrosine kinase receptors
B.
G-protein coupled receptors
C.
Nuclear receptors
D.
Ion channel receptors
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Solution
Nuclear receptors are a common type of receptor that binds steroid hormones and regulates gene expression.
Correct Answer:
C
— Nuclear receptors
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Q. Which of the following is a common risk factor for Burkholderia cepacia infection?
A.
Healthy immune system
B.
Cystic fibrosis
C.
Recent surgery
D.
Diabetes mellitus
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Solution
Cystic fibrosis is a common risk factor for Burkholderia cepacia infection due to the compromised lung function.
Correct Answer:
B
— Cystic fibrosis
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Q. Which of the following is a common selectable marker used in plant gene transfer?
A.
Kanamycin resistance
B.
Ampicillin resistance
C.
Tetracycline resistance
D.
Streptomycin resistance
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Solution
Kanamycin resistance is commonly used as a selectable marker in plant gene transfer to identify successfully transformed cells.
Correct Answer:
A
— Kanamycin resistance
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Q. Which of the following is a common side effect of aminoglycosides?
A.
Hepatotoxicity
B.
Nephrotoxicity
C.
Cardiotoxicity
D.
Ototoxicity
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Solution
Aminoglycosides are known to cause ototoxicity, affecting hearing and balance.
Correct Answer:
D
— Ototoxicity
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Q. Which of the following is a common side effect of combining NSAIDs with anticoagulants?
A.
Increased risk of thrombosis
B.
Gastrointestinal bleeding
C.
Hypertension
D.
Renal failure
Show solution
Solution
Combining NSAIDs with anticoagulants increases the risk of gastrointestinal bleeding due to the effects of both drug classes on the gastric mucosa.
Correct Answer:
B
— Gastrointestinal bleeding
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Q. Which of the following is a common side effect of isoniazid?
A.
Nausea
B.
Hearing loss
C.
Rash
D.
Peripheral neuropathy
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Solution
Peripheral neuropathy is a common side effect of isoniazid, often due to pyridoxine (vitamin B6) deficiency.
Correct Answer:
D
— Peripheral neuropathy
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Q. Which of the following is a common side effect of macrolides?
A.
Diarrhea
B.
Rash
C.
Nephrotoxicity
D.
Hepatotoxicity
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Solution
Diarrhea is a common side effect associated with macrolide antibiotics.
Correct Answer:
A
— Diarrhea
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Q. Which of the following is a common side effect of opioids?
A.
Diarrhea
B.
Constipation
C.
Insomnia
D.
Hypertension
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Solution
A common side effect of opioids is constipation due to decreased gastrointestinal motility.
Correct Answer:
B
— Constipation
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Q. Which of the following is a common site for hernias in the abdomen?
A.
Inguinal canal
B.
Thoracic cavity
C.
Pelvic floor
D.
Diaphragm
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Solution
The inguinal canal is a common site for inguinal hernias in the abdomen.
Correct Answer:
A
— Inguinal canal
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Q. Which of the following is a common soil-borne pathogen?
A.
Escherichia coli
B.
Streptococcus pneumoniae
C.
Clostridium tetani
D.
Rhizobium leguminosarum
Show solution
Solution
Escherichia coli can be found in soil and is known to cause infections.
Correct Answer:
A
— Escherichia coli
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Q. Which of the following is a common source of citric acid?
A.
Lemons
B.
Vinegar
C.
Honey
D.
Salt
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Solution
Lemons are a well-known source of citric acid, which is abundant in citrus fruits.
Correct Answer:
A
— Lemons
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Q. Which of the following is a common source of E. coli O157:H7?
A.
Contaminated water
B.
Undercooked beef
C.
Raw vegetables
D.
All of the above
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Solution
E. coli O157:H7 can be found in contaminated water, undercooked beef, and raw vegetables.
Correct Answer:
D
— All of the above
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Q. Which of the following is a common source of explants for plant cell culture?
A.
Roots
B.
Leaves
C.
Seeds
D.
All of the above
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Solution
All of the above (roots, leaves, and seeds) can serve as common sources of explants for plant cell culture.
Correct Answer:
D
— All of the above
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Q. Which of the following is a common stain used for visualizing DNA in gel electrophoresis?
A.
Coomassie Brilliant Blue
B.
Ethidium Bromide
C.
Silver Nitrate
D.
Bromophenol Blue
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Solution
Ethidium Bromide is a common stain used for visualizing DNA in gel electrophoresis as it intercalates with DNA.
Correct Answer:
B
— Ethidium Bromide
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Q. Which of the following is a common substrate used in fermentation?
A.
Glucose
B.
Oxygen
C.
Nitrogen
D.
Carbon dioxide
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Solution
Glucose is a common substrate used in fermentation processes as it serves as a primary energy source for microorganisms.
Correct Answer:
A
— Glucose
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Q. Which of the following is a common symptom of a bacterial infection?
A.
Fever
B.
Rash
C.
Nausea
D.
All of the above
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Solution
Fever, rash, and nausea can all be symptoms of a bacterial infection, depending on the specific pathogen.
Correct Answer:
D
— All of the above
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Q. Which of the following is a common symptom of appendicitis?
A.
Severe headache
B.
Right lower quadrant pain
C.
Chest pain
D.
Back pain
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Solution
Severe pain in the right lower quadrant is a common symptom of appendicitis.
Correct Answer:
B
— Right lower quadrant pain
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Q. Which of the following is a common symptom of brucellosis?
A.
High fever
B.
Rash
C.
Cough
D.
Nausea
Show solution
Solution
High fever is a common symptom of brucellosis, often accompanied by other flu-like symptoms.
Correct Answer:
A
— High fever
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Q. Which of the following is a common symptom of foodborne illness?
A.
Headache
B.
Nausea and vomiting
C.
Skin rash
D.
Fatigue
Show solution
Solution
Nausea and vomiting are common symptoms of foodborne illness caused by various pathogens.
Correct Answer:
B
— Nausea and vomiting
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Q. Which of the following is a common symptom of Vibrio infection?
A.
Fever
B.
Diarrhea
C.
Rash
D.
Joint pain
Show solution
Solution
Diarrhea is a common symptom associated with Vibrio infections, particularly cholera.
Correct Answer:
B
— Diarrhea
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Q. Which of the following is a common treatment for fungal infections?
A.
Antibiotics
B.
Antifungals
C.
Antivirals
D.
Corticosteroids
Show solution
Solution
Antifungals are the primary treatment for fungal infections.
Correct Answer:
B
— Antifungals
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Q. Which of the following is a common type of cloning vector?
A.
Plasmids
B.
Ribosomes
C.
Chromosomes
D.
Nucleotides
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Solution
Plasmids are one of the most common types of cloning vectors used in molecular biology.
Correct Answer:
A
— Plasmids
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Q. Which of the following is a common type of medium used for animal cell culture?
A.
Nutrient agar
B.
Luria-Bertani broth
C.
Dulbecco's Modified Eagle Medium (DMEM)
D.
Potato dextrose agar
Show solution
Solution
Dulbecco's Modified Eagle Medium (DMEM) is a widely used culture medium for animal cells, providing essential nutrients.
Correct Answer:
C
— Dulbecco's Modified Eagle Medium (DMEM)
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