Medical Entrance MCQ & Objective Questions
Preparing for medical entrance exams is a crucial step for aspiring doctors in India. Mastering MCQs and objective questions can significantly enhance your exam performance. By practicing these questions, you not only familiarize yourself with the exam format but also strengthen your understanding of important concepts and topics essential for scoring better.
What You Will Practise Here
Key concepts in Biology, Chemistry, and Physics relevant to medical entrance.
Important formulas and definitions that frequently appear in exams.
Diagrams and illustrations to help visualize complex processes.
Practice questions based on previous years' medical entrance exams.
Conceptual clarity through detailed explanations of difficult topics.
Strategies for tackling tricky MCQs and objective questions.
Time management techniques for effective exam preparation.
Exam Relevance
Medical entrance topics are integral to various examinations like NEET, JEE, and state board assessments. These subjects often feature MCQs that test your grasp of fundamental concepts and application skills. Common question patterns include multiple-choice questions that assess both theoretical knowledge and practical understanding, making it vital to practice regularly with important Medical Entrance questions for exams.
Common Mistakes Students Make
Overlooking the importance of reading questions carefully, leading to misinterpretation.
Neglecting to revise basic concepts, which can result in confusion during exams.
Relying solely on rote memorization instead of understanding the underlying principles.
Failing to practice time management, which can hinder performance in timed exams.
FAQs
Question: What are Medical Entrance MCQ questions?Answer: Medical Entrance MCQ questions are multiple-choice questions designed to test your knowledge and understanding of subjects relevant to medical entrance exams.
Question: How can I improve my performance in Medical Entrance objective questions?Answer: Regular practice of MCQs, understanding key concepts, and reviewing previous years' papers can significantly improve your performance.
Start your journey towards success by solving practice MCQs today! Test your understanding and build confidence as you prepare for your medical entrance exams.
Q. What is the primary source of genetic variation in populations? (2023)
A.
Mutation
B.
Natural Selection
C.
Gene Flow
D.
Genetic Drift
Show solution
Solution
Mutations are the primary source of genetic variation, providing the raw material for evolution.
Correct Answer:
A
— Mutation
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Q. What is the primary source of sulfur dioxide in the atmosphere? (2020)
A.
Volcanic eruptions
B.
Automobile emissions
C.
Industrial processes
D.
Natural gas combustion
Show solution
Solution
Industrial processes, especially those involving the burning of fossil fuels, are the primary source of sulfur dioxide emissions.
Correct Answer:
C
— Industrial processes
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Q. What is the primary source of water pollution? (2023)
A.
Industrial discharge
B.
Agricultural runoff
C.
Sewage disposal
D.
All of the above
Show solution
Solution
All of the listed options contribute significantly to water pollution, affecting aquatic life and human health.
Correct Answer:
D
— All of the above
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Q. What is the primary type of bonding in metallic solids? (2020)
A.
Ionic bonding
B.
Covalent bonding
C.
Metallic bonding
D.
Hydrogen bonding
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Solution
Metallic solids are primarily held together by metallic bonding, which involves a 'sea of electrons' that are free to move.
Correct Answer:
C
— Metallic bonding
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Q. What is the primary use of bioremediation? (2023)
A.
To produce biofuels
B.
To clean up environmental pollutants
C.
To enhance soil fertility
D.
To increase crop yield
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Solution
Bioremediation is primarily used to clean up environmental pollutants using microorganisms.
Correct Answer:
B
— To clean up environmental pollutants
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Q. What is the primary use of boron in the industry? (2023)
A.
Fertilizers
B.
Glass production
C.
Detergents
D.
Pharmaceuticals
Show solution
Solution
Boron is primarily used in the production of glass and ceramics.
Correct Answer:
B
— Glass production
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Q. What is the primary use of calcium carbonate? (2019)
A.
As a fertilizer
B.
In the production of glass
C.
As a building material
D.
In antacids
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Solution
Calcium carbonate is commonly used in antacids to neutralize stomach acid.
Correct Answer:
D
— In antacids
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Q. What is the primary use of CRISPR technology in biotechnology? (2023)
A.
Gene editing
B.
Protein synthesis
C.
Cell culture
D.
DNA replication
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Solution
CRISPR technology is primarily used for gene editing, allowing precise modifications to DNA sequences.
Correct Answer:
A
— Gene editing
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Q. What is the primary use of glycerol in the food industry? (2023)
A.
Sweetener
B.
Preservative
C.
Thickening agent
D.
Flavor enhancer
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Solution
Glycerol is commonly used as a sweetener in food products due to its sweet taste and ability to retain moisture.
Correct Answer:
A
— Sweetener
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Q. What is the primary use of insulin produced through recombinant DNA technology? (2022)
A.
To treat diabetes
B.
To enhance growth in livestock
C.
To improve crop yield
D.
To produce biofuels
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Solution
Insulin produced through recombinant DNA technology is primarily used to treat diabetes by regulating blood sugar levels.
Correct Answer:
A
— To treat diabetes
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Q. What is the primary use of lithium in batteries? (2023)
A.
As a conductor
B.
As a cathode material
C.
As an anode material
D.
As an electrolyte
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Solution
Lithium is primarily used as an anode material in lithium-ion batteries due to its high electrochemical potential.
Correct Answer:
C
— As an anode material
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Q. What is the primary use of magnesium in industries? (2021)
A.
Construction
B.
Aerospace
C.
Electronics
D.
Pharmaceuticals
Show solution
Solution
Magnesium is primarily used in the aerospace industry due to its lightweight and strength.
Correct Answer:
B
— Aerospace
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Q. What is the primary use of magnesium in industry? (2023)
A.
Construction
B.
Aerospace
C.
Electronics
D.
Pharmaceuticals
Show solution
Solution
Magnesium is primarily used in construction and aerospace industries due to its lightweight and strength.
Correct Answer:
B
— Aerospace
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Q. What is the primary use of sodium bicarbonate (NaHCO3)? (2020)
A.
Baking
B.
Cleaning
C.
Medicine
D.
All of the above
Show solution
Solution
Sodium bicarbonate is used in baking, cleaning, and medicine, making it versatile.
Correct Answer:
D
— All of the above
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Q. What is the primary use of sulfuric acid (H2SO4) in industry? (2019)
A.
Fertilizer production
B.
Battery acid
C.
Cleaning agent
D.
Food preservative
Show solution
Solution
Sulfuric acid is primarily used in the production of fertilizers.
Correct Answer:
A
— Fertilizer production
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Q. What is the primary use of sulfuric acid in the industry? (2023)
A.
Fertilizer production
B.
Battery acid
C.
Detergent manufacturing
D.
Food preservation
Show solution
Solution
Sulfuric acid is primarily used as battery acid in lead-acid batteries.
Correct Answer:
B
— Battery acid
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Q. What is the primary use of titanium dioxide (TiO2)? (2023)
A.
Pigment
B.
Catalyst
C.
Semiconductor
D.
Reagent
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Solution
Titanium dioxide (TiO2) is primarily used as a white pigment in paints and coatings.
Correct Answer:
A
— Pigment
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Q. What is the principal quantum number for an electron in the third energy level? (2019)
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Solution
The principal quantum number (n) indicates the energy level; for the third energy level, n = 3.
Correct Answer:
C
— 3
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Q. What is the principal quantum number of the outermost electron in a chlorine atom? (2022)
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Solution
Chlorine has an atomic number of 17, and its outermost electrons are in the 3rd shell, so n=3.
Correct Answer:
C
— 3
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Q. What is the principal quantum number of the outermost electron in an atom of potassium? (2022)
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Solution
Potassium has an atomic number of 19, and its outermost electron is in the n=4 shell.
Correct Answer:
C
— 3
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Q. What is the principal quantum number of the outermost electrons in an atom of chlorine? (2022)
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Solution
Chlorine has an atomic number of 17, and its outermost electrons are in the n=3 shell.
Correct Answer:
C
— 3
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Q. What is the principle behind a manometer? (2023)
A.
It measures temperature.
B.
It measures pressure difference.
C.
It measures fluid density.
D.
It measures flow rate.
Show solution
Solution
A manometer is used to measure the pressure difference between two points in a fluid.
Correct Answer:
B
— It measures pressure difference.
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Q. What is the principle behind a photodiode? (2022)
A.
Thermal emission
B.
Photoelectric effect
C.
P-N junction
D.
Capacitance
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Solution
A photodiode operates on the principle of the photoelectric effect, where light generates electron-hole pairs.
Correct Answer:
B
— Photoelectric effect
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Q. What is the principle behind a thermos flask? (2022)
A.
Conduction
B.
Convection
C.
Radiation
D.
Insulation
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Solution
The principle behind a thermos flask is insulation, which minimizes heat transfer.
Correct Answer:
D
— Insulation
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Q. What is the principle behind the functioning of a lever? (2019)
A.
Conservation of energy
B.
Conservation of momentum
C.
Mechanical advantage
D.
Work-energy theorem
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Solution
A lever operates on the principle of mechanical advantage, allowing a smaller force to lift a larger load.
Correct Answer:
C
— Mechanical advantage
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Q. What is the principle behind the operation of a hydraulic lift? (2019)
A.
Bernoulli's principle
B.
Archimedes' principle
C.
Pascal's law
D.
Newton's law
Show solution
Solution
A hydraulic lift operates based on Pascal's law, which states that pressure applied to a confined fluid is transmitted undiminished in all directions.
Correct Answer:
C
— Pascal's law
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Q. What is the principle behind the working of a galvanometer? (2023)
A.
Electromagnetic induction
B.
Magnetic force on a current-carrying conductor
C.
Electrostatic force
D.
Magnetic field lines
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Solution
A galvanometer works on the principle of the magnetic force acting on a current-carrying conductor placed in a magnetic field.
Correct Answer:
B
— Magnetic force on a current-carrying conductor
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Q. What is the principle that states that an increase in the speed of a fluid occurs simultaneously with a decrease in pressure?
A.
Bernoulli's Principle
B.
Archimedes' Principle
C.
Pascal's Law
D.
Newton's Law
Show solution
Solution
Bernoulli's Principle states that an increase in the speed of a fluid occurs simultaneously with a decrease in pressure.
Correct Answer:
A
— Bernoulli's Principle
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Q. What is the principle that states that the buoyant force on an object is equal to the weight of the fluid displaced by the object?
A.
Archimedes' Principle
B.
Pascal's Law
C.
Bernoulli's Principle
D.
Newton's Law
Show solution
Solution
Archimedes' Principle states that the buoyant force on an object is equal to the weight of the fluid displaced by the object.
Correct Answer:
A
— Archimedes' Principle
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Q. What is the principle that states that the pressure in a fluid decreases as the fluid's velocity increases?
A.
Bernoulli's Principle
B.
Pascal's Principle
C.
Archimedes' Principle
D.
Hydrostatic Principle
Show solution
Solution
Bernoulli's Principle states that an increase in the velocity of a fluid occurs simultaneously with a decrease in pressure.
Correct Answer:
A
— Bernoulli's Principle
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