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. What is the functional unit of the kidney called?
A.
Nephron
B.
Glomerulus
C.
Collecting duct
D.
Renal pelvis
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Solution
The nephron is the functional unit of the kidney, responsible for filtering blood and forming urine.
Correct Answer:
A
— Nephron
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Q. What is the functional unit of the kidney?
A.
Nephron
B.
Glomerulus
C.
Alveolus
D.
Neuron
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Solution
The nephron is the functional unit of the kidney, responsible for filtering blood and producing urine.
Correct Answer:
A
— Nephron
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Q. What is the Gram stain result for Spirochaetes?
A.
Gram-positive
B.
Gram-negative
C.
Gram-variable
D.
Gram-nonreactive
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Solution
Spirochaetes are typically classified as Gram-negative bacteria.
Correct Answer:
B
— Gram-negative
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Q. What is the hallmark histopathological feature of granulomatous inflammation?
A.
Neutrophilic infiltration
B.
Caseous necrosis
C.
Lymphocytic infiltration
D.
Epithelioid cell formation
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Solution
Epithelioid cell formation is a characteristic feature of granulomatous inflammation, often seen in conditions like tuberculosis.
Correct Answer:
D
— Epithelioid cell formation
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Q. What is the hallmark symptom of major depressive disorder?
A.
Increased energy
B.
Persistent sadness
C.
Euphoria
D.
Hyperactivity
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Solution
The hallmark symptom of major depressive disorder is persistent sadness or a low mood that lasts for most of the day, nearly every day.
Correct Answer:
B
— Persistent sadness
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Q. What is the impact of special proteins on crop yield?
A.
No impact
B.
Decreases yield
C.
Increases yield
D.
Varies by crop type
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Solution
Special proteins can significantly increase crop yield by enhancing stress tolerance and nutrient uptake.
Correct Answer:
C
— Increases yield
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Q. What is the incubation period for brucellosis after exposure?
A.
1-3 days
B.
1-2 weeks
C.
2-4 weeks
D.
1-3 months
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Solution
The incubation period for brucellosis typically ranges from 2 to 4 weeks after exposure.
Correct Answer:
C
— 2-4 weeks
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Q. What is the incubation period for most Norovirus infections?
A.
1-2 hours
B.
12-48 hours
C.
2-5 days
D.
1 week
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Solution
The incubation period for Norovirus is typically 12-48 hours.
Correct Answer:
B
— 12-48 hours
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Q. What is the incubation period for rabies after exposure?
A.
1-3 days
B.
1-2 weeks
C.
1-3 months
D.
6-12 months
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Solution
The incubation period for rabies can range from 1 to 3 months, depending on the site of entry and viral load.
Correct Answer:
C
— 1-3 months
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Q. What is the incubation period for smallpox?
A.
1-3 days
B.
7-17 days
C.
21-28 days
D.
30-40 days
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Solution
The incubation period for smallpox is typically 7-17 days before symptoms appear.
Correct Answer:
B
— 7-17 days
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Q. What is the main advantage of high-performance liquid chromatography (HPLC)?
A.
It requires larger sample sizes
B.
It provides faster separation and higher resolution
C.
It is less expensive than other methods
D.
It does not require a solvent
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Solution
HPLC provides faster separation and higher resolution compared to other chromatography methods.
Correct Answer:
B
— It provides faster separation and higher resolution
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Q. What is the main advantage of using a fed-batch fermentation process?
A.
Higher yield
B.
Lower cost
C.
Faster fermentation
D.
Easier to control pH
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Solution
The main advantage of fed-batch fermentation is the potential for higher yield due to controlled nutrient addition.
Correct Answer:
A
— Higher yield
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Q. What is the main advantage of using affinity chromatography?
A.
Cost-effectiveness
B.
High selectivity
C.
Simplicity of operation
D.
Speed of processing
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Solution
Affinity chromatography offers high selectivity for the target biomolecule, allowing for effective purification.
Correct Answer:
B
— High selectivity
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Q. What is the main advantage of using CRISPR-Cas9 in plant gene editing?
A.
High precision
B.
Low cost
C.
No need for selectable markers
D.
All of the above
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Solution
CRISPR-Cas9 offers high precision, is relatively low cost, and can be designed to work without selectable markers.
Correct Answer:
D
— All of the above
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Q. What is the main advantage of using gas chromatography over liquid chromatography?
A.
Higher sensitivity for volatile compounds
B.
Lower cost
C.
Easier sample preparation
D.
Wider range of analytes
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Solution
Gas chromatography offers higher sensitivity for volatile compounds compared to liquid chromatography.
Correct Answer:
A
— Higher sensitivity for volatile compounds
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Q. What is the main advantage of using high-performance liquid chromatography (HPLC) for protein purification?
A.
It is less expensive
B.
It provides high resolution and speed
C.
It requires less sample
D.
It is easier to set up
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Solution
HPLC provides high resolution and speed, making it a powerful technique for protein purification.
Correct Answer:
B
— It provides high resolution and speed
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Q. What is the main advantage of using monoclonal antibodies in medicine?
A.
They are less expensive
B.
They target specific antigens
C.
They can be produced quickly
D.
They have fewer side effects
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Solution
Monoclonal antibodies are advantageous because they can be engineered to target specific antigens, improving treatment efficacy.
Correct Answer:
B
— They target specific antigens
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Q. What is the main advantage of using plant cell culture for genetic engineering?
A.
It allows for the production of larger plants
B.
It enables the introduction of foreign genes
C.
It reduces the need for fertilizers
D.
It increases the growth rate of plants
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Solution
The main advantage of using plant cell culture for genetic engineering is that it enables the introduction of foreign genes into plant cells.
Correct Answer:
B
— It enables the introduction of foreign genes
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Q. What is the main advantage of using Raman spectroscopy?
A.
It requires no sample preparation
B.
It can analyze solid samples only
C.
It is less expensive than other methods
D.
It provides information on molecular mass
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Solution
One of the main advantages of Raman spectroscopy is that it typically requires no sample preparation, allowing for in situ analysis.
Correct Answer:
A
— It requires no sample preparation
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Q. What is the main advantage of using recombinant antibodies?
A.
They can be produced in large quantities
B.
They are more stable than natural antibodies
C.
They can be engineered for specific functions
D.
All of the above
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Solution
Recombinant antibodies can be produced in large quantities, are often more stable, and can be engineered for specific functions.
Correct Answer:
D
— All of the above
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Q. What is the main advantage of using recombinant DNA technology in biochemical engineering?
A.
Increased production of natural products
B.
Ability to produce proteins with modified properties
C.
Reduction of production costs
D.
Simplification of fermentation processes
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Solution
Recombinant DNA technology allows for the production of proteins with modified properties, enhancing their functionality and application.
Correct Answer:
B
— Ability to produce proteins with modified properties
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Q. What is the main application of the complement fixation test?
A.
To detect the presence of specific antibodies
B.
To measure cell proliferation
C.
To isolate DNA
D.
To visualize cellular structures
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Solution
The complement fixation test is primarily used to detect the presence of specific antibodies in a patient's serum.
Correct Answer:
A
— To detect the presence of specific antibodies
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Q. What is the main artery supplying the upper limb?
A.
Subclavian artery
B.
Brachial artery
C.
Radial artery
D.
Ulnar artery
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Solution
The subclavian artery is the main artery supplying the upper limb.
Correct Answer:
A
— Subclavian artery
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Q. What is the main artery that supplies blood to the heart muscle?
A.
Coronary artery
B.
Pulmonary artery
C.
Aorta
D.
Subclavian artery
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Solution
The coronary artery supplies blood to the heart muscle.
Correct Answer:
A
— Coronary artery
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Q. What is the main benefit of using microbial processes in wastewater treatment?
A.
Increase in pathogens
B.
Reduction of organic matter
C.
Increase in nutrients
D.
Production of methane
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Solution
Microbial processes in wastewater treatment help reduce organic matter, making water safer for discharge.
Correct Answer:
B
— Reduction of organic matter
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Q. What is the main byproduct of aerobic respiration?
A.
Lactic acid
B.
Ethanol
C.
Carbon dioxide
D.
Oxygen
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Solution
Carbon dioxide is the main byproduct of aerobic respiration.
Correct Answer:
C
— Carbon dioxide
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Q. What is the main byproduct of ethanol fermentation?
A.
Carbon dioxide
B.
Methane
C.
Hydrogen sulfide
D.
Acetic acid
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Solution
The main byproduct of ethanol fermentation is carbon dioxide, which is released during the process.
Correct Answer:
A
— Carbon dioxide
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Q. What is the main clinical concern associated with Candida species?
A.
Skin infections
B.
Gastrointestinal infections
C.
Systemic infections
D.
Respiratory infections
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Solution
Candida species can cause systemic infections, especially in immunocompromised individuals.
Correct Answer:
C
— Systemic infections
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Q. What is the main component of bone tissue?
A.
Collagen
B.
Elastin
C.
Keratin
D.
Chitin
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Solution
Collagen is the main component of bone tissue, providing strength and flexibility.
Correct Answer:
A
— Collagen
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Q. What is the main component of chromosomes?
A.
RNA
B.
Proteins
C.
Lipids
D.
DNA
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Solution
DNA is the main component of chromosomes, carrying the genetic instructions for the development and functioning of living organisms.
Correct Answer:
D
— DNA
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