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 bulk modulus of a material if a pressure increase of 1000 kPa causes a volume decrease of 0.01 m³ in a 1 m³ sample? (2022)
A.
10000 kPa
B.
1000 kPa
C.
100 kPa
D.
100 kPa
Show solution
Solution
Bulk modulus (K) = -ΔP / (ΔV/V) = 1000 kPa / (0.01 m³ / 1 m³) = 100000 kPa = 10000 kPa.
Correct Answer:
A
— 10000 kPa
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Q. What is the bulk modulus of a material if a pressure increase of 1000 kPa results in a volume decrease of 0.5%? (2022)
A.
200000 kPa
B.
500000 kPa
C.
1000000 kPa
D.
250000 kPa
Show solution
Solution
Bulk modulus (K) = -ΔP / (ΔV/V) = 1000 kPa / 0.005 = 200000 kPa.
Correct Answer:
B
— 500000 kPa
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Q. What is the bulk modulus of a material if a pressure increase of 1000 kPa results in a volume decrease of 0.01 m³ for a volume of 1 m³? (2022)
A.
10000 kPa
B.
1000 kPa
C.
100 kPa
D.
100000 kPa
Show solution
Solution
Bulk modulus (K) = -ΔP / (ΔV/V) = 1000 kPa / (0.01 m³ / 1 m³) = 100000 kPa.
Correct Answer:
A
— 10000 kPa
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Q. What is the bulk modulus of a material if a pressure increase of 50 MPa results in a volume decrease of 0.02 m³ for a volume of 1 m³? (2022)
A.
2500 MPa
B.
500 MPa
C.
1000 MPa
D.
2000 MPa
Show solution
Solution
Bulk modulus (K) = -ΔP / (ΔV/V) = 50 MPa / (0.02 m³ / 1 m³) = 2500 MPa.
Correct Answer:
A
— 2500 MPa
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Q. What is the bulk modulus of a material if a pressure increase of 50 MPa results in a volume decrease of 0.002 m³ for a volume of 1 m³? (2022)
A.
25 GPa
B.
50 GPa
C.
100 GPa
D.
200 GPa
Show solution
Solution
Bulk modulus (K) = -ΔP / (ΔV/V) = -50 MPa / (-0.002 m³ / 1 m³) = 25000 MPa = 25 GPa.
Correct Answer:
B
— 50 GPa
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Q. What is the capacitance of a capacitor if it stores 6μC of charge at a potential difference of 3V? (2022)
A.
2μF
B.
3μF
C.
4μF
D.
5μF
Show solution
Solution
Using the formula C = Q/V, we have C = 6μC / 3V = 2μF.
Correct Answer:
A
— 2μF
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Q. What is the capacitance of a spherical capacitor with inner radius a and outer radius b? (2023)
A.
4πε₀ab/(b-a)
B.
4πε₀/(1/a - 1/b)
C.
4πε₀/(a+b)
D.
4πε₀/(b-a)
Show solution
Solution
The capacitance of a spherical capacitor is given by C = 4πε₀ab/(b-a).
Correct Answer:
A
— 4πε₀ab/(b-a)
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Q. What is the change in internal energy (ΔU) for an ideal gas during an isothermal process? (2021)
A.
ΔU = 0
B.
ΔU = nRT
C.
ΔU = -nRT
D.
ΔU = PV
Show solution
Solution
In an isothermal process for an ideal gas, the temperature remains constant, which means the internal energy does not change. Therefore, ΔU = 0.
Correct Answer:
A
— ΔU = 0
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Q. What is the change in internal energy (ΔU) for an ideal gas undergoing an isothermal process? (2021)
A.
ΔU = 0
B.
ΔU = Q
C.
ΔU = W
D.
ΔU = Q + W
Show solution
Solution
In an isothermal process for an ideal gas, the temperature remains constant, which means the internal energy does not change. Therefore, ΔU = 0.
Correct Answer:
A
— ΔU = 0
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Q. What is the change in internal energy (ΔU) for an isothermal process for an ideal gas? (2021)
A.
ΔU = 0
B.
ΔU = nRT
C.
ΔU = -nRT
D.
ΔU = PV
Show solution
Solution
In an isothermal process for an ideal gas, the temperature remains constant, which means the internal energy does not change. Therefore, ΔU = 0.
Correct Answer:
A
— ΔU = 0
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Q. What is the change in internal energy (ΔU) for an isothermal process of an ideal gas? (2021)
A.
ΔU = 0
B.
ΔU = nRT
C.
ΔU = -nRT
D.
ΔU = PV
Show solution
Solution
In an isothermal process for an ideal gas, the temperature remains constant, which means the internal energy does not change. Therefore, ΔU = 0.
Correct Answer:
A
— ΔU = 0
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Q. What is the change in oxidation state of carbon in the reaction C6H12O6 → 2C2H5OH? (2023)
Show solution
Solution
In the conversion of glucose to ethanol, the oxidation state of carbon decreases, indicating a reduction of -1.
Correct Answer:
C
— -1
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Q. What is the change in oxidation state of manganese in the reaction MnO4- + 8H+ + 5e- → Mn2+ + 4H2O? (2023)
A.
+7 to +2
B.
+2 to +7
C.
0 to +2
D.
+4 to +2
Show solution
Solution
Manganese changes from +7 in MnO4- to +2 in Mn2+, indicating a reduction.
Correct Answer:
A
— +7 to +2
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Q. What is the charge of a neutron? (2022)
A.
Positive
B.
Negative
C.
Neutral
D.
Depends on the isotope
Show solution
Solution
A neutron has no charge; it is electrically neutral.
Correct Answer:
C
— Neutral
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Q. What is the charge of a proton? (2023)
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Solution
A proton carries a positive charge of +1 elementary charge.
Correct Answer:
C
— +1
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Q. What is the charge of one coulomb equivalent to in terms of electric current and time? (2022)
A.
1 A for 1 s
B.
1 A for 2 s
C.
2 A for 1 s
D.
0.5 A for 1 s
Show solution
Solution
1 coulomb is the charge that passes through a conductor when a current of 1 ampere flows for 1 second.
Correct Answer:
A
— 1 A for 1 s
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Q. What is the charge of one coulomb equivalent to in terms of electrons? (2022)
A.
6.25 x 10^18 electrons
B.
1.6 x 10^-19 electrons
C.
3.2 x 10^-19 electrons
D.
1.0 x 10^18 electrons
Show solution
Solution
One coulomb is equivalent to approximately 6.25 x 10^18 electrons.
Correct Answer:
A
— 6.25 x 10^18 electrons
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Q. What is the charge of one coulomb in terms of the number of electrons? (2023)
A.
6.25 x 10^18 electrons
B.
1.6 x 10^-19 electrons
C.
3.2 x 10^-19 electrons
D.
1.0 x 10^18 electrons
Show solution
Solution
One coulomb is equivalent to approximately 6.25 x 10^18 electrons.
Correct Answer:
A
— 6.25 x 10^18 electrons
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Q. What is the chemical formula for the compound formed between strontium and chlorine? (2019)
A.
SrCl
B.
SrCl2
C.
Sr2Cl
D.
Sr2Cl3
Show solution
Solution
Strontium forms a compound with chlorine as SrCl2, where strontium has a +2 charge and chlorine has a -1 charge.
Correct Answer:
B
— SrCl2
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Q. What is the color of potassium permanganate (KMnO4)? (2021)
A.
Colorless
B.
Green
C.
Purple
D.
Yellow
Show solution
Solution
Potassium permanganate (KMnO4) is known for its deep purple color.
Correct Answer:
C
— Purple
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Q. What is the color of the complex ion [Cu(NH3)4]2+? (2021)
A.
Blue
B.
Green
C.
Yellow
D.
Red
Show solution
Solution
[Cu(NH3)4]2+ is known to exhibit a blue color due to d-d transitions.
Correct Answer:
A
— Blue
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Q. What is the color of the flame produced by burning strontium salts? (2023)
A.
Red
B.
Green
C.
Blue
D.
Yellow
Show solution
Solution
Strontium salts produce a red flame when burned.
Correct Answer:
A
— Red
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Q. What is the color of the flame produced by lithium salts? (2019)
A.
Red
B.
Green
C.
Blue
D.
Yellow
Show solution
Solution
Lithium salts produce a red flame when burned.
Correct Answer:
A
— Red
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Q. What is the color of the solution of potassium dichromate (K2Cr2O7)? (2023)
A.
Yellow
B.
Green
C.
Blue
D.
Red
Show solution
Solution
Potassium dichromate (K2Cr2O7) gives a yellow solution.
Correct Answer:
A
— Yellow
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Q. What is the common oxidation state of alkaline earth metals? (2019)
Show solution
Solution
Alkaline earth metals typically exhibit a common oxidation state of +2.
Correct Answer:
B
— +2
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Q. What is the common oxidation state of aluminum in its compounds? (2020)
Show solution
Solution
Aluminum commonly exhibits an oxidation state of +3 in its compounds.
Correct Answer:
C
— +3
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Q. What is the common oxidation state of chromium in CrO3? (2023)
Show solution
Solution
In CrO3, chromium (Cr) has an oxidation state of +6.
Correct Answer:
C
— +6
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Q. What is the common oxidation state of iron in Fe2O3? (2019)
Show solution
Solution
In Fe2O3, iron has a common oxidation state of +3.
Correct Answer:
C
— +3
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Q. What is the common oxidation state of iron in FeCl3? (2023)
Show solution
Solution
In FeCl3, iron (Fe) has an oxidation state of +3.
Correct Answer:
B
— +3
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Q. What is the common oxidation state of sulfur in sulfuric acid (H2SO4)? (2022)
Show solution
Solution
In sulfuric acid, sulfur has an oxidation state of +6.
Correct Answer:
C
— +6
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