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 effect of increasing resistance in a series RLC circuit at resonance? (2023)
A.
Increases current
B.
Decreases current
C.
No effect on current
D.
Increases voltage
Show solution
Solution
Increasing resistance in a series RLC circuit at resonance will decrease the current, as the impedance increases.
Correct Answer:
B
— Decreases current
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Q. What is the effect of increasing temperature on the conductivity of an electrolyte solution? (2019)
A.
Increases conductivity
B.
Decreases conductivity
C.
No effect
D.
Depends on the electrolyte
Show solution
Solution
Increasing temperature generally increases the conductivity of an electrolyte solution due to increased ion mobility.
Correct Answer:
A
— Increases conductivity
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Q. What is the effect of increasing temperature on the kinetic energy of particles in a solid? (2023)
A.
Decreases kinetic energy
B.
Increases kinetic energy
C.
No effect
D.
Causes phase change
Show solution
Solution
Increasing temperature increases the kinetic energy of particles, leading to potential phase change.
Correct Answer:
B
— Increases kinetic energy
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Q. What is the effect of increasing temperature on the viscosity of liquids? (2019)
A.
Increases viscosity
B.
Decreases viscosity
C.
No effect
D.
Depends on the liquid
Show solution
Solution
Increasing temperature generally decreases the viscosity of liquids, allowing them to flow more easily.
Correct Answer:
B
— Decreases viscosity
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Q. What is the effect of increasing the area of the plates of a capacitor on its capacitance? (2022)
A.
Increases capacitance
B.
Decreases capacitance
C.
No effect
D.
Capacitance becomes zero
Show solution
Solution
Increasing the area A of the plates increases the capacitance, as C = εA/d.
Correct Answer:
A
— Increases capacitance
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Q. What is the effect of increasing the capacitance in a capacitive AC circuit? (2023)
A.
Increases current
B.
Decreases current
C.
No effect on current
D.
Increases voltage
Show solution
Solution
In a capacitive AC circuit, increasing the capacitance decreases the capacitive reactance (X_C), which increases the current (I = V/X_C).
Correct Answer:
A
— Increases current
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Q. What is the effect of increasing the capacitance in an AC circuit? (2019)
A.
Increases inductive reactance
B.
Decreases capacitive reactance
C.
Increases total impedance
D.
Decreases total current
Show solution
Solution
Increasing the capacitance decreases the capacitive reactance (X_C = 1/(2πfC)), which can lead to an increase in current.
Correct Answer:
B
— Decreases capacitive reactance
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Q. What is the effect of increasing the concentration of reactants on the rate of reaction? (2023)
A.
Increases the rate
B.
Decreases the rate
C.
No effect
D.
Depends on the reaction
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Solution
Increasing the concentration of reactants generally increases the rate of reaction due to more frequent collisions.
Correct Answer:
A
— Increases the rate
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Q. What is the effect of increasing the distance between the plates of a capacitor on its capacitance? (2022)
A.
Increases capacitance
B.
Decreases capacitance
C.
No effect
D.
Doubles capacitance
Show solution
Solution
Increasing the distance between the plates of a capacitor decreases its capacitance, as capacitance is inversely proportional to the distance.
Correct Answer:
B
— Decreases capacitance
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Q. What is the effect of increasing the frequency of AC on the inductive reactance? (2021)
A.
Increases
B.
Decreases
C.
Remains constant
D.
Becomes zero
Show solution
Solution
Inductive reactance increases with the frequency of AC.
Correct Answer:
A
— Increases
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Q. What is the effect of increasing the frequency of an AC source on the inductive reactance? (2023)
A.
Increases
B.
Decreases
C.
Remains constant
D.
Becomes zero
Show solution
Solution
Increasing the frequency of an AC source increases the inductive reactance.
Correct Answer:
A
— Increases
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Q. What is the effect of increasing the frequency of the AC supply on the inductive reactance? (2020)
A.
Increases
B.
Decreases
C.
Remains constant
D.
Becomes zero
Show solution
Solution
Inductive reactance increases with frequency, as X_L = 2πfL.
Correct Answer:
A
— Increases
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Q. What is the effect of increasing the number of turns in a coil on its inductance? (2023)
A.
Increases inductance
B.
Decreases inductance
C.
No effect
D.
Depends on the material
Show solution
Solution
Increasing the number of turns in a coil increases its inductance.
Correct Answer:
A
— Increases inductance
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Q. What is the effect of increasing the number of turns in a solenoid on its magnetic field strength? (2022)
A.
Decreases the field strength
B.
Increases the field strength
C.
No effect
D.
Reverses the field direction
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Solution
Increasing the number of turns (n) in a solenoid increases the magnetic field strength, as B = μ₀nI.
Correct Answer:
B
— Increases the field strength
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Q. What is the effect of increasing the plate area of a parallel plate capacitor on its capacitance? (2022)
A.
Increases capacitance
B.
Decreases capacitance
C.
No effect
D.
Capacitance becomes zero
Show solution
Solution
Increasing the plate area A of a parallel plate capacitor increases its capacitance, as C = ε₀A/d.
Correct Answer:
A
— Increases capacitance
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Q. What is the effect of increasing the resistance in a circuit while keeping the voltage constant? (2019)
A.
Current increases
B.
Current decreases
C.
Current remains the same
D.
Voltage increases
Show solution
Solution
According to Ohm's law, if resistance increases while voltage remains constant, current decreases.
Correct Answer:
B
— Current decreases
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Q. What is the effect of increasing the size of the halogen atom on the bond strength of haloalkanes? (2021)
A.
Increases bond strength
B.
Decreases bond strength
C.
No effect
D.
Increases reactivity
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Solution
As the size of the halogen atom increases, the bond length increases, leading to a decrease in bond strength.
Correct Answer:
B
— Decreases bond strength
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Q. What is the effect of increasing the size of the halogen in haloalkanes on the reactivity? (2023)
A.
Increases reactivity
B.
Decreases reactivity
C.
No effect
D.
Reactivity depends on the solvent
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Solution
Increasing the size of the halogen decreases the bond strength, thus increasing the reactivity of haloalkanes in nucleophilic substitution.
Correct Answer:
A
— Increases reactivity
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Q. What is the effect of increasing the temperature of a conductor on its resistance? (2019)
A.
Resistance decreases
B.
Resistance increases
C.
Resistance remains constant
D.
Resistance fluctuates
Show solution
Solution
Generally, the resistance of a conductor increases with an increase in temperature.
Correct Answer:
B
— Resistance increases
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Q. What is the effect of increasing the temperature on the equilibrium constant Kc for an endothermic reaction? (2023)
A.
Kc decreases
B.
Kc increases
C.
Kc remains constant
D.
Kc becomes zero
Show solution
Solution
For an endothermic reaction, increasing the temperature shifts the equilibrium to the right, thus increasing the value of Kc.
Correct Answer:
B
— Kc increases
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Q. What is the effect of increasing the voltage in a circuit with constant resistance? (2019)
A.
Current decreases
B.
Current increases
C.
Current remains the same
D.
Resistance increases
Show solution
Solution
Increasing the voltage while keeping resistance constant will increase the current.
Correct Answer:
B
— Current increases
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Q. What is the effect of increasing the wavelength of light on the angle of refraction when it passes from air into glass? (2023)
A.
Increases
B.
Decreases
C.
Remains the same
D.
Becomes zero
Show solution
Solution
Increasing the wavelength of light decreases the angle of refraction when passing from air into glass due to the dispersion of light.
Correct Answer:
B
— Decreases
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Q. What is the effect of increasing the wavelength of light on the diffraction pattern? (2019)
A.
Increases fringe width
B.
Decreases fringe width
C.
No effect
D.
Increases intensity
Show solution
Solution
Increasing the wavelength of light increases the fringe width in a diffraction pattern.
Correct Answer:
A
— Increases fringe width
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Q. What is the effect of introducing a dielectric material between the plates of a capacitor? (2019)
A.
Increases capacitance
B.
Decreases capacitance
C.
No effect
D.
Increases resistance
Show solution
Solution
Introducing a dielectric material increases the capacitance of a capacitor by reducing the electric field between the plates.
Correct Answer:
A
— Increases capacitance
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Q. What is the effect of magnesium deficiency in plants? (2022)
A.
Stunted growth
B.
Leaf curling
C.
Chlorosis
D.
Wilting
Show solution
Solution
Magnesium deficiency leads to chlorosis, particularly in older leaves, as it is a key component of chlorophyll.
Correct Answer:
C
— Chlorosis
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Q. What is the effect of parathyroid hormone (PTH)? (2019)
A.
Increase calcium levels in blood
B.
Decrease calcium levels in blood
C.
Increase phosphate levels
D.
Decrease phosphate levels
Show solution
Solution
Parathyroid hormone (PTH) increases calcium levels in the blood by stimulating the release of calcium from bones and increasing calcium absorption in the intestines.
Correct Answer:
A
— Increase calcium levels in blood
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Q. What is the effect of photoperiod on flowering in plants? (2020)
A.
It has no effect
B.
It determines the timing of flowering
C.
It inhibits flowering
D.
It promotes vegetative growth
Show solution
Solution
Photoperiod is crucial in determining the timing of flowering in many plants, influencing their reproductive cycle.
Correct Answer:
B
— It determines the timing of flowering
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Q. What is the effect of placing a ferromagnetic material in a magnetic field? (2023)
A.
It becomes a magnet
B.
It repels the magnetic field
C.
It has no effect
D.
It weakens the magnetic field
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Solution
When a ferromagnetic material is placed in a magnetic field, it becomes magnetized and can retain its magnetism even after the external field is removed.
Correct Answer:
A
— It becomes a magnet
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Q. What is the effect of placing a ferromagnetic material inside a solenoid? (2023)
A.
Decreases the magnetic field
B.
Increases the magnetic field
C.
No effect
D.
Reverses the magnetic field
Show solution
Solution
Placing a ferromagnetic material inside a solenoid increases the magnetic field due to the material's high magnetic permeability.
Correct Answer:
B
— Increases the magnetic field
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Q. What is the effect of plastic pollution on marine life? (2022)
A.
Increased fish populations
B.
Habitat destruction
C.
Bioaccumulation of toxins
D.
Both b and c
Show solution
Solution
Plastic pollution leads to habitat destruction and bioaccumulation of toxins in marine organisms, severely impacting marine ecosystems.
Correct Answer:
D
— Both b and c
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