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 osmotic pressure of a solution containing 0.1 moles of glucose in 1 L of solution at 25 °C? (R = 0.0821 L·atm/(K·mol)) (2020)
A.
2.03 atm
B.
1.96 atm
C.
0.82 atm
D.
0.25 atm
Show solution
Solution
Osmotic pressure (π) = nRT/V = (0.1 mol)(0.0821 L·atm/(K·mol))(298 K) = 2.03 atm.
Correct Answer:
A
— 2.03 atm
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Q. What is the osmotic pressure of a solution containing 0.1 moles of solute in 1 liter of solution at 25 °C? (R = 0.0821 L·atm/(K·mol)) (2020)
A.
2.5 atm
B.
0.82 atm
C.
1.0 atm
D.
0.25 atm
Show solution
Solution
Osmotic pressure (π) = nRT/V = (0.1 moles * 0.0821 * 298) / 1 = 2.5 atm.
Correct Answer:
A
— 2.5 atm
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Q. What is the osmotic pressure of a solution containing 0.5 moles of solute in 1 liter of solution at 25 °C? (2021)
A.
12.3 atm
B.
24.6 atm
C.
6.1 atm
D.
3.1 atm
Show solution
Solution
Osmotic pressure (π) = nRT/V = (0.5 moles)(0.0821 L·atm/(K·mol))(298 K) = 12.3 atm.
Correct Answer:
B
— 24.6 atm
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Q. What is the osmotic pressure of a solution containing 0.5 moles of solute in 1 liter of solution at 25 °C? (R = 0.0821 L·atm/(K·mol)) (2021)
A.
12.3 atm
B.
10.2 atm
C.
8.2 atm
D.
6.1 atm
Show solution
Solution
Osmotic pressure (π) = nRT/V = (0.5 moles * 0.0821 L·atm/(K·mol) * 298 K) / 1 L = 12.3 atm.
Correct Answer:
B
— 10.2 atm
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Q. What is the osmotic pressure of a solution containing 2 moles of glucose in 1 liter of solution at 25 °C? (R = 0.0821 L·atm/(K·mol)) (2020)
A.
0.82 atm
B.
1.64 atm
C.
2.46 atm
D.
4.92 atm
Show solution
Solution
Osmotic pressure (π) = nRT/V = (2 moles * 0.0821 L·atm/(K·mol) * 298 K) / 1 L = 4.92 atm.
Correct Answer:
B
— 1.64 atm
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Q. What is the osmotic pressure of a solution containing 2 moles of glucose in 1 liter of solution at 25 °C? (2021)
A.
0.0821 atm
B.
1.0 atm
C.
2.0 atm
D.
4.0 atm
Show solution
Solution
Osmotic pressure (π) = iCRT = 1 * 2 * 0.0821 * 298 = 4.0 atm (i = 1 for glucose).
Correct Answer:
C
— 2.0 atm
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Q. What is the outermost layer of a plant stem called? (2022)
A.
Cortex
B.
Epidermis
C.
Phloem
D.
Xylem
Show solution
Solution
The outermost layer of a plant stem is called the epidermis, which protects the plant from environmental damage.
Correct Answer:
B
— Epidermis
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Q. What is the outermost layer of cells in a plant called? (2023)
A.
Cortex
B.
Epidermis
C.
Phloem
D.
Xylem
Show solution
Solution
The outermost layer of cells in a plant is called the epidermis, which protects the plant from environmental damage.
Correct Answer:
B
— Epidermis
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Q. What is the outermost whorl of a flower called? (2023)
A.
Calyx
B.
Corolla
C.
Androecium
D.
Gynoecium
Show solution
Solution
The outermost whorl of a flower is called the calyx, which is made up of sepals.
Correct Answer:
A
— Calyx
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Q. What is the oxidation state of nitrogen in NH4Cl? (2023)
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Solution
In NH4Cl, the oxidation state of nitrogen is -3, as it is bonded to four hydrogens.
Correct Answer:
A
— -3
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Q. What is the packing efficiency of a body-centered cubic (BCC) structure? (2020)
A.
52%
B.
68%
C.
74%
D.
100%
Show solution
Solution
The packing efficiency of a body-centered cubic (BCC) structure is approximately 68%.
Correct Answer:
B
— 68%
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Q. What is the path difference for the first minimum in a single-slit diffraction pattern? (2021)
A.
λ/2
B.
λ
C.
3λ/2
D.
λ/4
Show solution
Solution
The path difference for the first minimum in single-slit diffraction is λ/2.
Correct Answer:
A
— λ/2
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Q. What is the peak voltage of an AC source if its RMS voltage is 220 V? (2021)
A.
311 V
B.
220 V
C.
155 V
D.
440 V
Show solution
Solution
The peak voltage (V_peak) is related to the RMS voltage (V_rms) by the formula V_peak = V_rms × √2. Therefore, V_peak = 220 V × √2 ≈ 311 V.
Correct Answer:
A
— 311 V
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Q. What is the peak voltage of an AC supply if its RMS voltage is 220 V? (2021)
A.
311 V
B.
220 V
C.
155 V
D.
440 V
Show solution
Solution
The peak voltage (V_peak) is related to the RMS voltage (V_rms) by the formula V_peak = V_rms × √2. Therefore, V_peak = 220 V × √2 ≈ 311 V.
Correct Answer:
A
— 311 V
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Q. What is the percentage error if the measured value is 10.0 and the true value is 9.5? (2021)
A.
5.26%
B.
4.76%
C.
2.5%
D.
10%
Show solution
Solution
Percentage error = (|Measured - True| / True) × 100 = (|10.0 - 9.5| / 9.5) × 100 = 5.26%.
Correct Answer:
B
— 4.76%
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Q. What is the percentage error if the measured value is 20 and the true value is 25? (2021)
A.
20%
B.
25%
C.
5%
D.
10%
Show solution
Solution
Percentage error is calculated as (|True Value - Measured Value| / True Value) * 100 = (|25 - 20| / 25) * 100 = 20%.
Correct Answer:
D
— 10%
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Q. What is the percentage error if the measured value is 20.0 and the true value is 19.5? (2021)
A.
2.56%
B.
1.25%
C.
3.33%
D.
5.00%
Show solution
Solution
Percentage error = (|Measured - True| / True) × 100 = (|20.0 - 19.5| / 19.5) × 100 ≈ 2.56%.
Correct Answer:
A
— 2.56%
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Q. What is the percentage error if the true value is 50 and the measured value is 48? (2022)
Show solution
Solution
Percentage error = |(True value - Measured value) / True value| * 100 = |(50 - 48) / 50| * 100 = 4%.
Correct Answer:
A
— 4%
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Q. What is the pH of a solution with a hydrogen ion concentration of 1 x 10^-3 M? (2019)
Show solution
Solution
pH = -log[H+] = -log(1 x 10^-3) = 3.
Correct Answer:
B
— 3
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Q. What is the pH range of normal human urine? (2022)
A.
4.5 - 5.5
B.
6.0 - 7.0
C.
7.5 - 8.0
D.
8.5 - 9.0
Show solution
Solution
Normal human urine typically has a pH range of 6.0 to 7.0, which can vary based on diet and health.
Correct Answer:
B
— 6.0 - 7.0
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Q. What is the phase difference between two particles executing simple harmonic motion in the same direction with the same amplitude and frequency? (2023)
Show solution
Solution
If two particles are executing simple harmonic motion in the same direction with the same amplitude and frequency, their phase difference is 0.
Correct Answer:
A
— 0
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Q. What is the phase difference between two particles executing simple harmonic motion in the same direction with the same frequency? (2021)
Show solution
Solution
If they have the same frequency and direction, the phase difference is 0.
Correct Answer:
A
— 0
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Q. What is the phase difference between two particles executing simple harmonic motion in phase? (2021)
A.
0 radians
B.
π/2 radians
C.
π radians
D.
3π/2 radians
Show solution
Solution
In phase means the phase difference is 0 radians.
Correct Answer:
A
— 0 radians
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Q. What is the phase of the cell cycle where DNA is replicated? (2020)
A.
G1 phase
B.
S phase
C.
G2 phase
D.
M phase
Show solution
Solution
The S phase (Synthesis phase) is where DNA replication occurs, resulting in the duplication of chromosomes.
Correct Answer:
B
— S phase
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Q. What is the phase of the cell cycle where the cell grows and prepares for mitosis? (2020)
A.
G1 phase
B.
S phase
C.
G2 phase
D.
M phase
Show solution
Solution
The G1 phase is the first stage of interphase where the cell grows and prepares for DNA replication.
Correct Answer:
A
— G1 phase
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Q. What is the phenomenon called when light bends as it passes from one medium to another? (2020)
A.
Reflection
B.
Refraction
C.
Diffraction
D.
Dispersion
Show solution
Solution
Refraction is the bending of light as it passes from one medium to another due to a change in its speed.
Correct Answer:
B
— Refraction
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Q. What is the phenomenon called when one gene affects the expression of another gene? (2022)
A.
Epistasis
B.
Pleiotropy
C.
Codominance
D.
Incomplete dominance
Show solution
Solution
The phenomenon where one gene affects the expression of another gene is called epistasis.
Correct Answer:
A
— Epistasis
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Q. What is the phenomenon of bending of light called? (2023)
A.
Reflection
B.
Refraction
C.
Diffraction
D.
Dispersion
Show solution
Solution
The bending of light as it passes from one medium to another is called refraction.
Correct Answer:
B
— Refraction
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Q. What is the phenomenon of bending of light when it passes from one medium to another called? (2015)
A.
Reflection
B.
Refraction
C.
Diffraction
D.
Dispersion
Show solution
Solution
The bending of light when it passes from one medium to another is called refraction.
Correct Answer:
B
— Refraction
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Q. What is the Poisson's ratio for a material if a longitudinal strain of 0.005 results in a lateral strain of 0.002? (2019)
A.
0.4
B.
0.5
C.
0.2
D.
0.1
Show solution
Solution
Poisson's ratio (ν) = Lateral strain / Longitudinal strain = 0.002 / 0.005 = 0.4.
Correct Answer:
A
— 0.4
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