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 viruses is known for causing severe respiratory illness?
A.
Ebola virus
B.
SARS-CoV-2
C.
Zika virus
D.
Herpes simplex virus
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Solution
SARS-CoV-2 is known for causing severe respiratory illness, particularly COVID-19.
Correct Answer:
B
— SARS-CoV-2
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Q. Which of the following viruses is known to cause severe acute respiratory syndrome (SARS)?
A.
HIV
B.
SARS-CoV
C.
Influenza virus
D.
Ebola virus
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Solution
SARS is caused by the SARS coronavirus (SARS-CoV), which emerged in the early 2000s.
Correct Answer:
B
— SARS-CoV
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Q. Which of the following viruses is known to cause the common cold?
A.
HIV
B.
Rhinovirus
C.
Hepatitis B
D.
Ebola
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Solution
Rhinovirus is the most common viral agent responsible for the common cold.
Correct Answer:
B
— Rhinovirus
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Q. Which organ is located in the left upper quadrant of the abdomen?
A.
Appendix
B.
Gallbladder
C.
Spleen
D.
Cecum
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Solution
The spleen is located in the left upper quadrant of the abdomen.
Correct Answer:
C
— Spleen
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Q. Which organ is primarily involved in detoxification?
A.
Kidneys
B.
Liver
C.
Spleen
D.
Pancreas
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Solution
The liver is the primary organ responsible for detoxifying various metabolites and drugs.
Correct Answer:
B
— Liver
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Q. Which organ is primarily responsible for detoxifying chemicals and metabolizing drugs?
A.
Kidney
B.
Liver
C.
Pancreas
D.
Spleen
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Solution
The liver is responsible for detoxifying chemicals and metabolizing drugs, making it a vital organ for maintaining metabolic homeostasis.
Correct Answer:
B
— Liver
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Q. Which organ is primarily responsible for detoxifying chemicals in the body?
A.
Kidney
B.
Liver
C.
Lung
D.
Heart
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Solution
The liver is primarily responsible for detoxifying chemicals and metabolizing drugs.
Correct Answer:
B
— Liver
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Q. Which organ is primarily responsible for detoxifying harmful substances in the body?
A.
Kidney
B.
Liver
C.
Pancreas
D.
Spleen
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Solution
The liver plays a key role in detoxifying harmful substances, metabolizing drugs, and processing nutrients.
Correct Answer:
B
— Liver
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Q. Which organ is primarily responsible for filtering blood and producing urine?
A.
Liver
B.
Heart
C.
Kidney
D.
Lungs
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Solution
The kidneys filter blood and produce urine as part of the body's waste management system.
Correct Answer:
C
— Kidney
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Q. Which organ is primarily responsible for maintaining homeostasis of blood glucose levels?
A.
Liver
B.
Kidneys
C.
Pancreas
D.
Heart
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Solution
The pancreas plays a crucial role in maintaining homeostasis of blood glucose levels by secreting insulin and glucagon.
Correct Answer:
C
— Pancreas
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Q. Which organ is primarily responsible for regulating blood volume?
A.
Heart
B.
Liver
C.
Kidneys
D.
Lungs
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Solution
The kidneys play a crucial role in regulating blood volume by controlling the excretion of water and electrolytes.
Correct Answer:
C
— Kidneys
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Q. Which organ is primarily responsible for the absorption of nutrients in the abdomen?
A.
Liver
B.
Stomach
C.
Small intestine
D.
Large intestine
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Solution
The small intestine is the primary site for nutrient absorption in the digestive system.
Correct Answer:
C
— Small intestine
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Q. Which organ is primarily responsible for the absorption of nutrients?
A.
Stomach
B.
Liver
C.
Small intestine
D.
Large intestine
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Solution
The small intestine is primarily responsible for the absorption of nutrients from digested food.
Correct Answer:
C
— Small intestine
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Q. Which organ is primarily responsible for the detoxification of drugs?
A.
Heart
B.
Liver
C.
Lungs
D.
Kidneys
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Solution
The liver is the main organ responsible for detoxifying drugs and other harmful substances in the body.
Correct Answer:
B
— Liver
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Q. Which organ is primarily responsible for the production of bile?
A.
Pancreas
B.
Liver
C.
Gallbladder
D.
Spleen
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Solution
The liver produces bile, which is stored in the gallbladder and released into the small intestine to aid in digestion.
Correct Answer:
B
— Liver
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Q. Which organ system is primarily responsible for gas exchange in the body?
A.
Circulatory system
B.
Respiratory system
C.
Digestive system
D.
Nervous system
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Solution
The respiratory system is responsible for gas exchange, allowing oxygen to enter the blood and carbon dioxide to be expelled.
Correct Answer:
B
— Respiratory system
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Q. Which organ system is primarily responsible for maintaining homeostasis of body temperature?
A.
Nervous system
B.
Endocrine system
C.
Integumentary system
D.
Muscular system
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Solution
The integumentary system, including the skin, plays a crucial role in thermoregulation and maintaining body temperature.
Correct Answer:
C
— Integumentary system
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Q. Which organ system is primarily responsible for the regulation of body temperature?
A.
Nervous system
B.
Endocrine system
C.
Integumentary system
D.
Muscular system
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Solution
The integumentary system, including the skin, plays a crucial role in regulating body temperature through mechanisms such as sweating and blood flow.
Correct Answer:
C
— Integumentary system
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Q. Which organelle is primarily responsible for ATP production?
A.
Nucleus
B.
Ribosome
C.
Mitochondrion
D.
Endoplasmic reticulum
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Solution
Mitochondria are the organelles responsible for ATP production through cellular respiration.
Correct Answer:
C
— Mitochondrion
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Q. Which organism is commonly used as a model in genetic studies due to its simple genome?
A.
Escherichia coli
B.
Homo sapiens
C.
Mus musculus
D.
Drosophila melanogaster
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Solution
Escherichia coli is widely used as a model organism in genetic studies due to its simple and well-understood genome.
Correct Answer:
A
— Escherichia coli
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Q. Which organism is most commonly associated with community-acquired pneumonia?
A.
Streptococcus pneumoniae
B.
Escherichia coli
C.
Staphylococcus aureus
D.
Klebsiella pneumoniae
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Solution
Streptococcus pneumoniae is the most common cause of community-acquired pneumonia.
Correct Answer:
A
— Streptococcus pneumoniae
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Q. Which organism is often used as a host for cloning in recombinant DNA technology?
A.
Bacteria
B.
Fungi
C.
Plants
D.
Animals
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Solution
Bacteria, particularly E. coli, are commonly used as hosts for cloning in recombinant DNA technology due to their rapid growth and ease of manipulation.
Correct Answer:
A
— Bacteria
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Q. Which organism is often used as a host for recombinant DNA technology?
A.
Humans
B.
Bacteria
C.
Plants
D.
Fungi
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Solution
Bacteria, such as E. coli, are often used as hosts for recombinant DNA technology due to their rapid growth and ease of manipulation.
Correct Answer:
B
— Bacteria
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Q. Which organism is primarily responsible for nitrogen fixation in the soil?
A.
Rhizobium bacteria
B.
Mycorrhizal fungi
C.
Cyanobacteria
D.
Actinomycetes
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Solution
Rhizobium bacteria form symbiotic relationships with leguminous plants and are key players in nitrogen fixation.
Correct Answer:
A
— Rhizobium bacteria
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Q. Which parameter is crucial for optimizing fermentation in reactors?
A.
Temperature
B.
Color
C.
Shape
D.
Size
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Solution
Temperature is a crucial parameter that affects microbial metabolism and product yield in fermentation reactors.
Correct Answer:
A
— Temperature
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Q. Which part of the brain is primarily responsible for regulating balance and coordination?
A.
Cerebrum
B.
Cerebellum
C.
Brainstem
D.
Thalamus
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Solution
The cerebellum is responsible for balance and coordination of voluntary movements.
Correct Answer:
B
— Cerebellum
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Q. Which part of the brain is primarily responsible for regulating breathing?
A.
Cerebrum
B.
Cerebellum
C.
Medulla oblongata
D.
Thalamus
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Solution
The medulla oblongata is the part of the brain that regulates the rhythm and rate of breathing.
Correct Answer:
C
— Medulla oblongata
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Q. Which part of the brain is primarily responsible for the control of respiration?
A.
Cerebrum
B.
Cerebellum
C.
Medulla oblongata
D.
Thalamus
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Solution
The medulla oblongata is the part of the brain that controls the rhythm and rate of breathing.
Correct Answer:
C
— Medulla oblongata
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Q. Which part of the brain is responsible for maintaining body temperature?
A.
Cerebellum
B.
Hypothalamus
C.
Medulla oblongata
D.
Cerebrum
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Solution
The hypothalamus is the part of the brain that regulates body temperature by initiating responses such as sweating or shivering.
Correct Answer:
B
— Hypothalamus
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Q. Which part of the brain is responsible for regulating autonomic functions such as heart rate and breathing?
A.
Cerebrum
B.
Cerebellum
C.
Brainstem
D.
Limbic system
Show solution
Solution
The brainstem regulates autonomic functions such as heart rate and breathing.
Correct Answer:
C
— Brainstem
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