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. Which hormone regulates blood pressure by affecting blood vessel constriction? (2023)
A.
Insulin
B.
Adrenaline
C.
Aldosterone
D.
Angiotensin II
Show solution
Solution
Angiotensin II is a potent vasoconstrictor that plays a key role in regulating blood pressure.
Correct Answer:
D
— Angiotensin II
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Q. Which hormone regulates blood pressure by causing vasoconstriction? (2019)
A.
Insulin
B.
Adrenaline
C.
Aldosterone
D.
Angiotensin II
Show solution
Solution
Angiotensin II is a potent vasoconstrictor that plays a key role in regulating blood pressure.
Correct Answer:
D
— Angiotensin II
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Q. Which hormone regulates the production of red blood cells? (2019)
A.
Insulin
B.
Erythropoietin
C.
Adrenaline
D.
Thyroxine
Show solution
Solution
Erythropoietin is a hormone produced by the kidneys that stimulates the production of red blood cells in the bone marrow.
Correct Answer:
B
— Erythropoietin
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Q. Which hormone regulates the reabsorption of water in the kidneys? (2021)
A.
Aldosterone
B.
Antidiuretic hormone (ADH)
C.
Insulin
D.
Cortisol
Show solution
Solution
Antidiuretic hormone (ADH) regulates the reabsorption of water in the kidneys, reducing urine output.
Correct Answer:
B
— Antidiuretic hormone (ADH)
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Q. Which hormone regulates the sleep-wake cycle? (2022)
A.
Melatonin
B.
Serotonin
C.
Cortisol
D.
Adrenaline
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Solution
Melatonin is a hormone produced by the pineal gland that regulates the sleep-wake cycle, promoting sleep.
Correct Answer:
A
— Melatonin
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Q. Which hormone triggers ovulation? (2019)
A.
Follicle-stimulating hormone
B.
Luteinizing hormone
C.
Estrogen
D.
Progesterone
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Solution
Luteinizing hormone (LH) triggers ovulation, leading to the release of a mature egg from the ovary.
Correct Answer:
B
— Luteinizing hormone
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Q. Which hormone triggers the onset of labor? (2019)
A.
Oxytocin
B.
Estrogen
C.
Progesterone
D.
Relaxin
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Solution
Oxytocin is the hormone that triggers the onset of labor by stimulating uterine contractions.
Correct Answer:
A
— Oxytocin
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Q. Which instrument is used to measure atmospheric pressure? (2020)
A.
Barometer
B.
Thermometer
C.
Anemometer
D.
Hygrometer
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Solution
A barometer is used to measure atmospheric pressure.
Correct Answer:
A
— Barometer
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Q. Which ion is primarily responsible for depolarization during an action potential? (2023)
A.
Sodium (Na+)
B.
Potassium (K+)
C.
Calcium (Ca2+)
D.
Chloride (Cl-)
Show solution
Solution
Sodium ions (Na+) rush into the neuron during depolarization, causing the membrane potential to become more positive.
Correct Answer:
A
— Sodium (Na+)
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Q. Which ion is primarily responsible for the depolarization phase of an action potential? (2023)
A.
Sodium (Na+)
B.
Potassium (K+)
C.
Calcium (Ca2+)
D.
Chloride (Cl-)
Show solution
Solution
Sodium ions (Na+) rush into the neuron during depolarization, causing the membrane potential to become more positive.
Correct Answer:
A
— Sodium (Na+)
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Q. Which isotope of hydrogen is also known as deuterium? (2021)
A.
Protium
B.
Tritium
C.
Hydrogen-1
D.
Hydrogen-2
Show solution
Solution
Deuterium is the isotope of hydrogen with one neutron, also referred to as Hydrogen-2.
Correct Answer:
D
— Hydrogen-2
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Q. Which isotope of hydrogen is also known as heavy hydrogen? (2020)
A.
Protium
B.
Deuterium
C.
Tritium
D.
Hydrogen-1
Show solution
Solution
Deuterium is known as heavy hydrogen because it has one neutron in addition to the single proton.
Correct Answer:
B
— Deuterium
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Q. Which kingdom includes organisms that are unicellular and prokaryotic? (2019)
A.
Plantae
B.
Animalia
C.
Fungi
D.
Monera
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Solution
The kingdom Monera includes unicellular and prokaryotic organisms.
Correct Answer:
D
— Monera
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Q. Which kingdom is characterized by organisms that are multicellular and autotrophic? (2022)
A.
Animalia
B.
Fungi
C.
Plantae
D.
Monera
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Solution
The kingdom Plantae is characterized by multicellular and autotrophic organisms.
Correct Answer:
C
— Plantae
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Q. Which kingdom is characterized by organisms that are primarily autotrophic? (2021)
A.
Animalia
B.
Fungi
C.
Plantae
D.
Monera
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Solution
The kingdom Plantae is characterized by autotrophic organisms that perform photosynthesis.
Correct Answer:
C
— Plantae
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Q. Which law states that for every action, there is an equal and opposite reaction? (2022)
A.
Newton's First Law
B.
Newton's Second Law
C.
Newton's Third Law
D.
Law of Conservation of Momentum
Show solution
Solution
Newton's Third Law states that for every action, there is an equal and opposite reaction.
Correct Answer:
C
— Newton's Third Law
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Q. Which law states that the current through a conductor between two points is directly proportional to the voltage across the two points? (2021)
A.
Ohm's Law
B.
Kirchhoff's Law
C.
Faraday's Law
D.
Ampere's Law
Show solution
Solution
Ohm's Law states that the current (I) through a conductor is directly proportional to the voltage (V) across it, given by the formula V = IR.
Correct Answer:
A
— Ohm's Law
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Q. Which law states that the entropy of an isolated system always increases? (2021)
A.
Zeroth law of thermodynamics
B.
First law of thermodynamics
C.
Second law of thermodynamics
D.
Third law of thermodynamics
Show solution
Solution
The second law of thermodynamics states that the entropy of an isolated system will always increase over time.
Correct Answer:
C
— Second law of thermodynamics
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Q. Which law states that the entropy of an isolated system never decreases? (2021)
A.
Zeroth law of thermodynamics
B.
First law of thermodynamics
C.
Second law of thermodynamics
D.
Third law of thermodynamics
Show solution
Solution
The second law of thermodynamics states that the entropy of an isolated system never decreases over time.
Correct Answer:
C
— Second law of thermodynamics
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Q. Which law states that the heat absorbed or released by a substance is proportional to the change in temperature? (2021)
A.
Boyle's Law
B.
Charles's Law
C.
Newton's Law of Cooling
D.
Calorimetry
Show solution
Solution
Calorimetry states that the heat absorbed or released by a substance is proportional to the change in temperature.
Correct Answer:
D
— Calorimetry
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Q. Which law states that the induced electromotive force (emf) in a closed loop is equal to the negative rate of change of magnetic flux through the loop? (2022)
A.
Faraday's Law
B.
Lenz's Law
C.
Ohm's Law
D.
Ampere's Law
Show solution
Solution
Faraday's Law states that the induced emf in a closed loop is equal to the negative rate of change of magnetic flux through the loop.
Correct Answer:
A
— Faraday's Law
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Q. Which law states that the induced electromotive force is proportional to the rate of change of magnetic flux? (2022)
A.
Faraday's Law
B.
Lenz's Law
C.
Ohm's Law
D.
Ampere's Law
Show solution
Solution
Faraday's Law of electromagnetic induction states that the induced electromotive force in any closed circuit is equal to the rate of change of magnetic flux through the circuit.
Correct Answer:
A
— Faraday's Law
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Q. Which law states that the induced EMF in a circuit is proportional to the rate of change of magnetic flux through the circuit? (2022)
A.
Faraday's Law
B.
Lenz's Law
C.
Ohm's Law
D.
Ampere's Law
Show solution
Solution
Faraday's Law states that the induced EMF is proportional to the rate of change of magnetic flux.
Correct Answer:
A
— Faraday's Law
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Q. Which law states that the induced EMF in a closed loop is equal to the negative rate of change of magnetic flux through the loop? (2022)
A.
Faraday's Law
B.
Lenz's Law
C.
Ohm's Law
D.
Ampere's Law
Show solution
Solution
Faraday's Law states that the induced EMF in a closed loop is equal to the negative rate of change of magnetic flux through the loop.
Correct Answer:
A
— Faraday's Law
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Q. Which law states that the pressure of a gas is directly proportional to its temperature at constant volume? (2019)
A.
Boyle's Law
B.
Charles's Law
C.
Gay-Lussac's Law
D.
Avogadro's Law
Show solution
Solution
Gay-Lussac's Law states that the pressure of a gas is directly proportional to its temperature at constant volume.
Correct Answer:
C
— Gay-Lussac's Law
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Q. Which law states that the rate of heat transfer through a material is proportional to the temperature difference? (2022)
A.
Newton's Law of Cooling
B.
Fourier's Law
C.
Stefan-Boltzmann Law
D.
Boyle's Law
Show solution
Solution
Fourier's Law states that the rate of heat transfer through a material is proportional to the temperature difference across it.
Correct Answer:
B
— Fourier's Law
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Q. Which macromolecule is primarily responsible for genetic information? (2020)
A.
Proteins
B.
Lipids
C.
Carbohydrates
D.
Nucleic Acids
Show solution
Solution
Nucleic acids, such as DNA and RNA, are responsible for storing and transmitting genetic information.
Correct Answer:
D
— Nucleic Acids
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Q. Which macromolecule is primarily responsible for storing genetic information? (2020)
A.
Proteins
B.
Carbohydrates
C.
Lipids
D.
Nucleic acids
Show solution
Solution
Nucleic acids, such as DNA and RNA, are responsible for storing and transmitting genetic information.
Correct Answer:
D
— Nucleic acids
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Q. Which microbe is primarily responsible for the fermentation of vinegar? (2021)
A.
Yeast
B.
Lactic acid bacteria
C.
Acetic acid bacteria
D.
Molds
Show solution
Solution
Acetic acid bacteria are responsible for the fermentation process that converts alcohol into vinegar.
Correct Answer:
C
— Acetic acid bacteria
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Q. Which microbe is primarily responsible for the production of vinegar? (2020)
A.
Yeast
B.
Lactic acid bacteria
C.
Acetic acid bacteria
D.
Molds
Show solution
Solution
Acetic acid bacteria are responsible for the fermentation process that produces vinegar.
Correct Answer:
C
— Acetic acid bacteria
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