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 purpose of using markers in genetically modified crops? (2021)
A.
To enhance flavor
B.
To track genetic changes
C.
To increase size
D.
To improve color
Show solution
Solution
Markers are used to track genetic changes and ensure the desired traits are present in genetically modified crops.
Correct Answer:
B
— To track genetic changes
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Q. What is the purpose of using plasmids in genetic engineering? (2023)
A.
To increase crop yield
B.
To serve as vectors for gene transfer
C.
To produce antibiotics
D.
To enhance photosynthesis
Show solution
Solution
Plasmids are used as vectors to transfer genes into host cells in genetic engineering.
Correct Answer:
B
— To serve as vectors for gene transfer
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Q. What is the purpose of using restriction enzymes in genetic engineering? (2023)
A.
To cut DNA at specific sites
B.
To amplify DNA
C.
To sequence DNA
D.
To repair DNA
Show solution
Solution
Restriction enzymes are used to cut DNA at specific sequences, which is essential for cloning and genetic engineering.
Correct Answer:
A
— To cut DNA at specific sites
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Q. What is the reactance of an inductor at a frequency of 50 Hz if the inductance is 0.1 H? (2023)
A.
31.4 Ω
B.
6.28 Ω
C.
157 Ω
D.
12.56 Ω
Show solution
Solution
Reactance (X_L) = 2πfL = 2π(50)(0.1) = 31.4 Ω.
Correct Answer:
A
— 31.4 Ω
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Q. What is the reactance of an inductor in an AC circuit with frequency f? (2023)
A.
2πfL
B.
1/(2πfL)
C.
L/(2πf)
D.
0
Show solution
Solution
The reactance of an inductor in an AC circuit is given by the formula X_L = 2πfL.
Correct Answer:
A
— 2πfL
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Q. What is the relationship between charge (Q), capacitance (C), and voltage (V) in a capacitor? (2023)
A.
Q = CV
B.
Q = C/V
C.
Q = V/C
D.
Q = C + V
Show solution
Solution
The relationship is given by Q = CV, where Q is the charge, C is the capacitance, and V is the voltage across the capacitor.
Correct Answer:
A
— Q = CV
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Q. What is the relationship between current (I), charge (Q), and time (t)? (2022)
A.
I = Q × t
B.
I = Q / t
C.
I = t / Q
D.
I = Q + t
Show solution
Solution
The relationship is given by I = Q / t, where I is current, Q is charge, and t is time.
Correct Answer:
B
— I = Q / t
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Q. What is the relationship between current (I), voltage (V), and resistance (R) in a circuit? (2021)
A.
I = V/R
B.
I = R/V
C.
I = V*R
D.
I = V + R
Show solution
Solution
The relationship is given by Ohm's law: I = V/R.
Correct Answer:
A
— I = V/R
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Q. What is the relationship between electric field (E) and electric potential (V) in a uniform field? (2022)
A.
E = V/d
B.
E = d/V
C.
E = V^2
D.
E = V/d^2
Show solution
Solution
In a uniform electric field, the electric field E is related to the potential difference V and the distance d by the equation E = V/d.
Correct Answer:
A
— E = V/d
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Q. What is the relationship between frequency (f) and period (T) of a wave? (2023)
A.
f = T
B.
f = 1/T
C.
f = T^2
D.
f = 2πT
Show solution
Solution
The frequency (f) is the reciprocal of the period (T), given by the formula f = 1/T.
Correct Answer:
B
— f = 1/T
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Q. What is the relationship between frequency and period of a wave? (2020)
A.
Frequency = Period × Speed
B.
Frequency = 1/Period
C.
Frequency = Speed × Wavelength
D.
Frequency = Wavelength/Speed
Show solution
Solution
The frequency (f) of a wave is the reciprocal of the period (T), given by the formula f = 1/T.
Correct Answer:
B
— Frequency = 1/Period
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Q. What is the relationship between frequency and the time period of an AC signal? (2023)
A.
Frequency = Time period × 2
B.
Frequency = 1 / Time period
C.
Frequency = Time period / 2
D.
Frequency = Time period × π
Show solution
Solution
The frequency (f) is the reciprocal of the time period (T), given by f = 1 / T.
Correct Answer:
B
— Frequency = 1 / Time period
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Q. What is the relationship between magnetic field strength and distance from a long straight conductor? (2023)
A.
Increases with distance
B.
Decreases with distance
C.
Remains constant
D.
Increases then decreases
Show solution
Solution
The magnetic field strength around a long straight conductor decreases with distance from the conductor, following the inverse relationship.
Correct Answer:
B
— Decreases with distance
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Q. What is the relationship between pressure and depth in a fluid at rest? (2019)
A.
Pressure increases with depth
B.
Pressure decreases with depth
C.
Pressure remains constant
D.
Pressure varies randomly
Show solution
Solution
In a fluid at rest, pressure increases with depth due to the weight of the fluid above.
Correct Answer:
A
— Pressure increases with depth
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Q. What is the relationship between RMS and average value of an AC waveform? (2023)
A.
RMS = Average
B.
RMS = Average × √2
C.
RMS = Average / √2
D.
RMS = Average × 2
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Solution
For a sinusoidal AC waveform, the RMS value is related to the average value by RMS = Average / √2.
Correct Answer:
C
— RMS = Average / √2
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Q. What is the relationship between the equilibrium constant (K) and the Gibbs free energy change (ΔG) at standard conditions? (2022)
A.
ΔG = -RT ln(K)
B.
ΔG = RT ln(K)
C.
ΔG = KRT
D.
ΔG = K/R
Show solution
Solution
The relationship is given by ΔG = -RT ln(K), where R is the gas constant and T is the temperature in Kelvin.
Correct Answer:
A
— ΔG = -RT ln(K)
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Q. What is the relationship between the frequency and the inductive reactance in an AC circuit? (2022)
A.
Directly proportional
B.
Inversely proportional
C.
No relation
D.
Exponential relation
Show solution
Solution
Inductive reactance is directly proportional to the frequency of the AC source.
Correct Answer:
A
— Directly proportional
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Q. What is the relationship between the frequency and the inductive reactance? (2023)
A.
Directly proportional
B.
Inversely proportional
C.
No relationship
D.
Exponentially related
Show solution
Solution
Inductive reactance (X_L) is directly proportional to frequency (f), as given by the formula X_L = 2πfL.
Correct Answer:
A
— Directly proportional
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Q. What is the relationship between the number of turns in the primary and secondary coils of a transformer and the voltages across them? (2023)
A.
V_p/V_s = N_p/N_s
B.
V_p/V_s = N_s/N_p
C.
V_p = V_s
D.
V_p + V_s = 0
Show solution
Solution
The relationship is given by V_p/V_s = N_p/N_s, where V is voltage and N is the number of turns.
Correct Answer:
A
— V_p/V_s = N_p/N_s
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Q. What is the relationship between the rate of a reaction and the concentration of reactants according to the rate law? (2019)
A.
Directly proportional
B.
Inversely proportional
C.
Exponential
D.
No relationship
Show solution
Solution
The rate of a reaction is directly proportional to the concentration of reactants raised to their respective powers in the rate law.
Correct Answer:
A
— Directly proportional
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Q. What is the relationship between the RMS and average value of a sinusoidal AC current? (2023)
A.
RMS = Average
B.
RMS = Average × √2
C.
RMS = Average / √2
D.
RMS = Average × 2
Show solution
Solution
For a sinusoidal AC current, the relationship is RMS = Average / √2.
Correct Answer:
C
— RMS = Average / √2
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Q. What is the relationship between the units of pressure in SI? (2019)
A.
1 Pa = 1 N/m²
B.
1 Pa = 1 kg/m·s²
C.
Both are correct
D.
None of the above
Show solution
Solution
Both statements are correct; 1 Pascal (Pa) is defined as 1 Newton per square meter.
Correct Answer:
C
— Both are correct
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Q. What is the relationship between the vapor pressure of a solution and the mole fraction of the solvent? (2023)
A.
Directly proportional
B.
Inversely proportional
C.
No relationship
D.
Exponential relationship
Show solution
Solution
The vapor pressure of a solution is directly proportional to the mole fraction of the solvent.
Correct Answer:
A
— Directly proportional
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Q. What is the relationship between voltage, current, and resistance as described by Ohm's Law? (2021)
A.
V = I + R
B.
V = I * R
C.
V = I / R
D.
V = R / I
Show solution
Solution
Ohm's Law states that the voltage (V) across a conductor is directly proportional to the current (I) flowing through it, with the resistance (R) being the constant of proportionality. Therefore, V = I * R.
Correct Answer:
B
— V = I * R
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Q. What is the relationship between voltage, current, and resistance as stated by Ohm's Law? (2021)
A.
V = I + R
B.
V = I * R
C.
V = I / R
D.
V = R / I
Show solution
Solution
Ohm's Law states that the voltage (V) across a conductor is directly proportional to the current (I) flowing through it, with the resistance (R) being the constant of proportionality. Therefore, V = I * R.
Correct Answer:
B
— V = I * R
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Q. What is the repeating unit of polystyrene? (2021)
A.
-CH2-CH2-
B.
-CH=CH2-
C.
-C6H5-
D.
-C3H6-
Show solution
Solution
The repeating unit of polystyrene is derived from the monomer styrene, which has the structure -CH=CH2-.
Correct Answer:
B
— -CH=CH2-
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Q. What is the resonant frequency of a series RLC circuit? (2020)
A.
f = 1/(2π√(LC))
B.
f = R/(2πL)
C.
f = 2π√(LC)
D.
f = 1/(2πR)
Show solution
Solution
The resonant frequency (f) of a series RLC circuit is given by the formula f = 1/(2π√(LC)).
Correct Answer:
A
— f = 1/(2π√(LC))
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Q. What is the resting membrane potential of a typical neuron? (2020)
A.
-70 mV
B.
-50 mV
C.
0 mV
D.
+30 mV
Show solution
Solution
The resting membrane potential of a typical neuron is approximately -70 mV.
Correct Answer:
A
— -70 mV
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Q. What is the result of cytokinesis in animal cells? (2020)
A.
Formation of a cell plate
B.
Formation of two daughter cells
C.
Replication of DNA
D.
Separation of sister chromatids
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Solution
Cytokinesis results in the physical separation of the cytoplasm, leading to the formation of two daughter cells.
Correct Answer:
B
— Formation of two daughter cells
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Q. What is the role of a capacitor in a semiconductor circuit? (2019)
A.
To store charge
B.
To amplify signals
C.
To rectify current
D.
To generate heat
Show solution
Solution
A capacitor is used in semiconductor circuits to store charge temporarily.
Correct Answer:
A
— To store charge
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