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. In Mendel's experiments, which trait was observed to be dominant over the other? (2018)
A.
Green seed color
B.
Yellow seed color
C.
Round seed shape
D.
Wrinkled seed shape
Show solution
Solution
In Mendel's experiments, yellow seed color was observed to be dominant over green seed color.
Correct Answer:
B
— Yellow seed color
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Q. In nuclear fission, the mass of the products is less than the mass of the reactants. What is this mass difference called? (2019)
A.
Nuclear mass
B.
Binding energy
C.
Mass defect
D.
Fission energy
Show solution
Solution
The mass difference in nuclear fission is referred to as the mass defect, which is converted into energy according to Einstein's equation E=mc².
Correct Answer:
C
— Mass defect
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Q. In nuclear fission, the mass of the products is less than the mass of the reactants. What is this mass difference converted into? (2019)
A.
Kinetic energy
B.
Potential energy
C.
Binding energy
D.
Radiation
Show solution
Solution
The mass difference in nuclear fission is converted into kinetic energy of the fission fragments, according to Einstein's equation E=mc².
Correct Answer:
A
— Kinetic energy
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Q. In nuclear fission, what is released as a result of the reaction? (2022)
A.
Energy and neutrons
B.
Only energy
C.
Only neutrons
D.
Protons and electrons
Show solution
Solution
Nuclear fission releases a significant amount of energy and additional neutrons, which can induce further fission reactions.
Correct Answer:
A
— Energy and neutrons
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Q. In nuclear fission, what is released? (2022)
A.
Energy and neutrons
B.
Only energy
C.
Only neutrons
D.
Protons and electrons
Show solution
Solution
Nuclear fission releases a significant amount of energy and additional neutrons, which can induce further fission reactions.
Correct Answer:
A
— Energy and neutrons
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Q. In nuclear reactions, what is conserved? (2022)
A.
Mass only
B.
Charge only
C.
Mass and charge
D.
Energy only
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Solution
In nuclear reactions, both mass and charge are conserved, which is a fundamental principle of physics.
Correct Answer:
C
— Mass and charge
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Q. In plants, which structure is primarily responsible for asexual reproduction? (2023)
A.
Roots
B.
Leaves
C.
Stems
D.
Flowers
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Solution
Stems, particularly in the form of runners or tubers, are primarily responsible for asexual reproduction in many plants.
Correct Answer:
C
— Stems
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Q. In plants, which structure is responsible for sexual reproduction? (2021)
A.
Roots
B.
Leaves
C.
Flowers
D.
Stems
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Solution
Flowers are the reproductive structures in plants that facilitate sexual reproduction.
Correct Answer:
C
— Flowers
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Q. In the context of adsorption, what does the term 'selectivity' refer to? (2022)
A.
The ability to adsorb multiple gases
B.
The preference for one gas over another
C.
The rate of adsorption
D.
The temperature dependence of adsorption
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Solution
Selectivity in adsorption refers to the preference of an adsorbent for one gas over another, which can be crucial in separation processes.
Correct Answer:
B
— The preference for one gas over another
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Q. In the context of atomic structure, what does the term 'isotope' refer to? (2021)
A.
Atoms with the same number of protons but different neutrons
B.
Atoms with different numbers of protons
C.
Atoms with the same mass number
D.
Atoms that are chemically identical
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Solution
Isotopes are defined as atoms that have the same number of protons but different numbers of neutrons.
Correct Answer:
A
— Atoms with the same number of protons but different neutrons
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Q. In the context of atomic structure, what does the term 'quantum leap' refer to? (2022)
A.
Movement of electrons in a circular path
B.
Transition of an electron between energy levels
C.
Emission of light
D.
Absorption of energy
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Solution
A 'quantum leap' refers to the transition of an electron between discrete energy levels in an atom.
Correct Answer:
B
— Transition of an electron between energy levels
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Q. In the context of measurements, what does precision refer to? (2022)
A.
Closeness to the true value
B.
Consistency of repeated measurements
C.
Range of values
D.
Average of measurements
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Solution
Precision refers to the consistency of repeated measurements, regardless of their accuracy.
Correct Answer:
B
— Consistency of repeated measurements
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Q. In the context of surface chemistry, what does the term 'adsorption' refer to? (2022)
A.
The process of a substance being taken up by a liquid
B.
The process of a substance adhering to a surface
C.
The process of a substance dissolving in a solvent
D.
The process of a substance being absorbed into a solid
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Solution
Adsorption refers to the process where molecules adhere to the surface of a solid or liquid, forming a film.
Correct Answer:
B
— The process of a substance adhering to a surface
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Q. In the context of surface chemistry, what does the term 'desorption' mean? (2023)
A.
The process of adsorption
B.
The release of adsorbed molecules from a surface
C.
The absorption of a gas into a liquid
D.
The formation of a solid from a gas
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Solution
Desorption refers to the process where adsorbed molecules are released from the surface back into the gas or liquid phase.
Correct Answer:
B
— The release of adsorbed molecules from a surface
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Q. In the context of surface chemistry, what does the term 'desorption' refer to? (2022)
A.
The process of adsorption
B.
The release of adsorbate from the surface
C.
The formation of a new layer
D.
The increase in surface area
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Solution
Desorption refers to the process by which an adsorbate is released from the surface of the adsorbent.
Correct Answer:
B
— The release of adsorbate from the surface
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Q. In the context of surface chemistry, what does the term 'surface area' refer to? (2020)
A.
Total area of the solid
B.
Area available for adsorption
C.
Area of the bulk material
D.
Area of the gas
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Solution
In surface chemistry, 'surface area' refers to the area available for adsorption, which is crucial for determining the adsorption capacity.
Correct Answer:
B
— Area available for adsorption
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Q. In the electrochemical cell, what occurs at the anode? (2022)
A.
Reduction
B.
Oxidation
C.
Neutralization
D.
Precipitation
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Solution
At the anode of an electrochemical cell, oxidation occurs, which involves the loss of electrons.
Correct Answer:
B
— Oxidation
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Q. In the electrochemical cell, which electrode is the site of reduction? (2023)
A.
Anode
B.
Cathode
C.
Salt bridge
D.
Electrolyte
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Solution
In an electrochemical cell, the cathode is the electrode where reduction occurs.
Correct Answer:
B
— Cathode
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Q. In the electrochemical series, which element is the best reducing agent? (2022)
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Solution
Li is the best reducing agent among the given alkali metals due to its low ionization energy.
Correct Answer:
A
— Li
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Q. In the electrochemical series, which element is the strongest oxidizing agent? (2023)
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Solution
Fluorine (F2) is the strongest oxidizing agent in the electrochemical series due to its high electronegativity and tendency to gain electrons.
Correct Answer:
B
— F2
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Q. In the electrochemical series, which of the following has the highest reduction potential? (2022)
A.
Li+
B.
Na+
C.
K+
D.
F+
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Solution
Fluorine (F+) has the highest reduction potential in the electrochemical series, indicating it is a strong oxidizing agent.
Correct Answer:
D
— F+
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Q. In the hydrogen atom, which transition would emit the photon with the highest energy? (2019)
A.
n=2 to n=1
B.
n=3 to n=2
C.
n=4 to n=3
D.
n=5 to n=4
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Solution
The energy of the emitted photon is highest for the transition from n=2 to n=1, as it involves the largest energy difference.
Correct Answer:
A
— n=2 to n=1
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Q. In the kinetic theory of gases, the temperature of a gas is a measure of: (2022)
A.
The average potential energy of the molecules
B.
The average kinetic energy of the molecules
C.
The total energy of the gas
D.
The number of molecules in the gas
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Solution
In the kinetic theory of gases, the temperature of a gas is a measure of the average kinetic energy of the molecules.
Correct Answer:
B
— The average kinetic energy of the molecules
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Q. In the kinetic theory of gases, the term 'elastic collision' means: (2019)
A.
Kinetic energy is conserved
B.
Momentum is conserved
C.
Both kinetic energy and momentum are conserved
D.
Neither kinetic energy nor momentum is conserved
Show solution
Solution
In elastic collisions, both kinetic energy and momentum are conserved, which is a key assumption in the kinetic theory of gases.
Correct Answer:
C
— Both kinetic energy and momentum are conserved
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Q. In the kinetic theory, the internal energy of an ideal gas is primarily due to:
A.
Potential energy
B.
Kinetic energy of molecules
C.
Work done on the gas
D.
Heat energy
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Solution
In an ideal gas, the internal energy is primarily due to the kinetic energy of the gas molecules, as potential energy is negligible.
Correct Answer:
B
— Kinetic energy of molecules
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Q. In the kinetic theory, the temperature of a gas is a measure of: (2022)
A.
The average potential energy of the molecules
B.
The average kinetic energy of the molecules
C.
The total energy of the gas
D.
The speed of the gas molecules
Show solution
Solution
In the kinetic theory, the temperature of a gas is a measure of the average kinetic energy of the molecules.
Correct Answer:
B
— The average kinetic energy of the molecules
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Q. In the Langmuir adsorption isotherm, which assumption is NOT made? (2019)
A.
Adsorption occurs on a surface with a finite number of identical sites
B.
Adsorption is reversible
C.
There is no interaction between adsorbed molecules
D.
Adsorption occurs only at high pressures
Show solution
Solution
The Langmuir isotherm assumes that adsorption occurs at all pressures, not just high pressures.
Correct Answer:
D
— Adsorption occurs only at high pressures
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Q. In the photoelectric effect, what happens to the kinetic energy of emitted electrons as the frequency of incident light increases? (2021)
A.
Increases
B.
Decreases
C.
Remains constant
D.
Becomes zero
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Solution
According to the photoelectric effect, the kinetic energy of emitted electrons increases with the frequency of the incident light, provided the frequency is above the threshold frequency.
Correct Answer:
A
— Increases
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Q. In the photoelectric effect, what happens to the kinetic energy of emitted electrons when the frequency of incident light is increased? (2021)
A.
Increases
B.
Decreases
C.
Remains constant
D.
Becomes zero
Show solution
Solution
According to the photoelectric effect, the kinetic energy of emitted electrons increases with the frequency of the incident light, provided the frequency is above the threshold frequency.
Correct Answer:
A
— Increases
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Q. In the photoelectric effect, what happens when the frequency of incident light is increased? (2020)
A.
More electrons are emitted
B.
Electrons are emitted with higher energy
C.
No electrons are emitted
D.
The current decreases
Show solution
Solution
Increasing the frequency of incident light increases the energy of emitted electrons, as per E = hf.
Correct Answer:
B
— Electrons are emitted with higher energy
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