Major Competitive Exams MCQ & Objective Questions
Major Competitive Exams play a crucial role in shaping the academic and professional futures of students in India. These exams not only assess knowledge but also test problem-solving skills and time management. Practicing MCQs and objective questions is essential for scoring better, as they help in familiarizing students with the exam format and identifying important questions that frequently appear in tests.
What You Will Practise Here
Key concepts and theories related to major subjects
Important formulas and their applications
Definitions of critical terms and terminologies
Diagrams and illustrations to enhance understanding
Practice questions that mirror actual exam patterns
Strategies for solving objective questions efficiently
Time management techniques for competitive exams
Exam Relevance
The topics covered under Major Competitive Exams are integral to various examinations such as CBSE, State Boards, NEET, and JEE. Students can expect to encounter a mix of conceptual and application-based questions that require a solid understanding of the subjects. Common question patterns include multiple-choice questions that test both knowledge and analytical skills, making it essential to be well-prepared with practice MCQs.
Common Mistakes Students Make
Rushing through questions without reading them carefully
Overlooking the negative marking scheme in MCQs
Confusing similar concepts or terms
Neglecting to review previous years’ question papers
Failing to manage time effectively during the exam
FAQs
Question: How can I improve my performance in Major Competitive Exams?Answer: Regular practice of MCQs and understanding key concepts will significantly enhance your performance.
Question: What types of questions should I focus on for these exams?Answer: Concentrate on important Major Competitive Exams questions that frequently appear in past papers and mock tests.
Question: Are there specific strategies for tackling objective questions?Answer: Yes, practicing under timed conditions and reviewing mistakes can help develop effective strategies.
Start your journey towards success by solving practice MCQs today! Test your understanding and build confidence for your upcoming exams. Remember, consistent practice is the key to mastering Major Competitive Exams!
Q. What is the relationship between pressure and volume of a gas at constant temperature according to Boyle's Law?
A.
P ∝ V
B.
PV = constant
C.
P + V = constant
D.
PV = nRT
Show solution
Solution
Boyle's Law states that the pressure of a gas is inversely proportional to its volume at constant temperature, which can be expressed as PV = constant.
Correct Answer:
B
— PV = constant
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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
Show solution
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 RMS speed and kinetic energy of gas molecules?
A.
Directly proportional
B.
Inversely proportional
C.
No relationship
D.
Depends on the gas
Show solution
Solution
The kinetic energy of gas molecules is directly proportional to the square of the RMS speed, as KE = (1/2)mv_rms^2.
Correct Answer:
A
— Directly proportional
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Q. What is the relationship between RMS speed and molecular weight?
A.
Directly proportional
B.
Inversely proportional
C.
No relation
D.
Exponential relation
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Solution
RMS speed is inversely proportional to the square root of molecular weight.
Correct Answer:
B
— Inversely proportional
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Q. What is the relationship between shear modulus (G) and Young's modulus (E)?
A.
G = E / (2(1 + ν))
B.
G = E * (2(1 + ν))
C.
G = E / (1 + ν)
D.
G = E * (1 + ν)
Show solution
Solution
The relationship is given by G = E / (2(1 + ν)), where ν is Poisson's ratio.
Correct Answer:
A
— G = E / (2(1 + ν))
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Q. What is the relationship between shear modulus and Young's modulus for isotropic materials?
A.
G = E/2(1 + ν)
B.
G = E(1 + ν)/2
C.
G = E/3
D.
G = 2E
Show solution
Solution
The shear modulus (G) is related to Young's modulus (E) and Poisson's ratio (ν) by the formula G = E/2(1 + ν).
Correct Answer:
A
— G = E/2(1 + ν)
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Q. What is the relationship between shear modulus and Young's modulus?
A.
They are equal
B.
Shear modulus is always greater
C.
Shear modulus is less than Young's modulus
D.
They are inversely proportional
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Solution
Shear modulus is generally less than Young's modulus for most materials.
Correct Answer:
C
— Shear modulus is less than Young's modulus
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Q. What is the relationship between shear rate and viscosity in a Newtonian fluid?
A.
Directly proportional
B.
Inversely proportional
C.
No relationship
D.
Exponential relationship
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Solution
In a Newtonian fluid, shear stress is directly proportional to shear rate.
Correct Answer:
A
— Directly proportional
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Q. What is the relationship between shear stress and shear rate in a Newtonian fluid?
A.
Directly proportional
B.
Inversely proportional
C.
Exponential
D.
No relationship
Show solution
Solution
In a Newtonian fluid, shear stress is directly proportional to shear rate, which defines its viscosity.
Correct Answer:
A
— Directly proportional
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Q. What is the relationship between shear stress and shear strain in a material?
A.
Shear modulus
B.
Bulk modulus
C.
Young's modulus
D.
Poisson's ratio
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Solution
The relationship between shear stress and shear strain is defined by the shear modulus.
Correct Answer:
A
— Shear modulus
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Q. What is the relationship between stress and strain in the elastic limit of a material?
A.
Directly proportional
B.
Inversely proportional
C.
Exponential
D.
Logarithmic
Show solution
Solution
Within the elastic limit, stress is directly proportional to strain, as described by Hooke's Law.
Correct Answer:
A
— Directly proportional
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Q. What is the relationship between stress and strain in the elastic region of a material?
A.
Stress is directly proportional to strain
B.
Stress is inversely proportional to strain
C.
Stress is independent of strain
D.
Stress is proportional to the square of strain
Show solution
Solution
In the elastic region, stress is directly proportional to strain, as described by Hooke's Law.
Correct Answer:
A
— Stress is directly proportional to strain
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Q. What is the relationship between surface tension and temperature for most liquids?
A.
Directly proportional
B.
Inversely proportional
C.
No relationship
D.
Exponential
Show solution
Solution
Surface tension is inversely proportional to temperature for most liquids.
Correct Answer:
B
— Inversely proportional
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Q. What is the relationship between surface tension and the shape of a liquid droplet?
A.
Droplets are always flat
B.
Droplets are spherical
C.
Droplets can be any shape
D.
Droplets are cubic
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Solution
Due to surface tension, liquid droplets tend to minimize their surface area, resulting in a spherical shape.
Correct Answer:
B
— Droplets are spherical
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Q. What is the relationship between technology and student engagement as described in the passage? (2023)
A.
Technology decreases student engagement.
B.
Technology has no effect on student engagement.
C.
Technology increases student engagement.
D.
Technology only engages students in certain subjects.
Show solution
Solution
The passage indicates that technology increases student engagement by making learning more interactive and accessible.
Correct Answer:
C
— Technology increases student engagement.
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Q. What is the relationship between temperature and kinetic energy of gas molecules?
A.
Directly proportional
B.
Inversely proportional
C.
No relationship
D.
Exponential relationship
Show solution
Solution
The kinetic energy of gas molecules is directly proportional to the temperature.
Correct Answer:
A
— Directly proportional
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Q. What is the relationship between temperature and kinetic energy of particles in a substance?
A.
Directly proportional
B.
Inversely proportional
C.
No relationship
D.
Depends on the substance
Show solution
Solution
The average kinetic energy of particles in a substance is directly proportional to its temperature.
Correct Answer:
A
— Directly proportional
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Q. What is the relationship between temperature and kinetic energy of particles?
A.
Directly proportional
B.
Inversely proportional
C.
No relation
D.
Exponential relation
Show solution
Solution
The temperature of a substance is directly proportional to the average kinetic energy of its particles.
Correct Answer:
A
— Directly proportional
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Q. What is the relationship between temperature and the kinetic energy of gas molecules?
A.
Directly proportional
B.
Inversely proportional
C.
No relationship
D.
Exponential
Show solution
Solution
The kinetic energy of gas molecules is directly proportional to the temperature of the gas.
Correct Answer:
A
— Directly proportional
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Q. What is the relationship between temperature and the rate of a chemical reaction?
A.
Rate decreases with temperature
B.
Rate increases with temperature
C.
Rate is independent of temperature
D.
Rate is constant at all temperatures
Show solution
Solution
The rate of a chemical reaction generally increases with an increase in temperature due to higher kinetic energy.
Correct Answer:
B
— Rate increases with temperature
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Q. What is the relationship between temperature and viscosity for most liquids?
A.
Viscosity increases with temperature
B.
Viscosity decreases with temperature
C.
Viscosity remains constant
D.
Viscosity fluctuates randomly
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Solution
For most liquids, viscosity decreases with an increase in temperature due to increased molecular motion.
Correct Answer:
B
— Viscosity decreases with temperature
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Q. What is the relationship between temperature and viscosity in liquids?
A.
Directly proportional
B.
Inversely proportional
C.
No relationship
D.
Exponential
Show solution
Solution
In general, the viscosity of liquids decreases with an increase in temperature, making them flow more easily.
Correct Answer:
B
— Inversely proportional
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Q. What is the relationship between the amplitude of a damped oscillator and time?
A.
Exponential decay
B.
Linear decay
C.
Quadratic decay
D.
Constant decay
Show solution
Solution
The amplitude of a damped oscillator decreases exponentially with time.
Correct Answer:
A
— Exponential decay
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Q. What is the relationship between the amplitude of a sound wave and its loudness?
A.
Directly proportional
B.
Inversely proportional
C.
No relationship
D.
Exponential relationship
Show solution
Solution
The loudness of a sound is directly proportional to the amplitude of the sound wave.
Correct Answer:
A
— Directly proportional
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Q. What is the relationship between the angle of diffraction and the wavelength of light in a single-slit diffraction pattern?
A.
Directly proportional
B.
Inversely proportional
C.
No relationship
D.
Depends on slit width
Show solution
Solution
The angle of diffraction is inversely proportional to the wavelength; as the wavelength increases, the angle of diffraction increases.
Correct Answer:
B
— Inversely proportional
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Q. What is the relationship between the angle of incidence and the angle of diffraction in a diffraction grating?
A.
They are equal
B.
They are inversely proportional
C.
They are related by the grating equation
D.
They are independent
Show solution
Solution
The angle of incidence and angle of diffraction are related by the grating equation d sin(θ) = mλ.
Correct Answer:
C
— They are related by the grating equation
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Q. What is the relationship between the angle of incidence and the angle of polarization?
A.
They are equal
B.
They are complementary
C.
They are supplementary
D.
There is no relationship
Show solution
Solution
At the angle of polarization, the angle of incidence is equal to the angle of refraction.
Correct Answer:
A
— They are equal
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Q. What is the relationship between the angle of incidence and the angle of reflection in total internal reflection?
A.
They are equal
B.
They are complementary
C.
They are supplementary
D.
There is no relationship
Show solution
Solution
In total internal reflection, the angle of incidence is equal to the angle of reflection.
Correct Answer:
A
— They are equal
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Q. What is the relationship between the angles formed by a transversal intersecting two parallel lines?
A.
All angles are equal
B.
Alternate angles are equal
C.
Consecutive angles are equal
D.
None of the above
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Solution
When a transversal intersects two parallel lines, alternate angles are equal.
Correct Answer:
B
— Alternate angles are equal
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Q. What is the relationship between the angles formed by two intersecting chords in a circle?
A.
They are always equal.
B.
They are supplementary.
C.
They are complementary.
D.
They are proportional to the lengths of the chords.
Show solution
Solution
The angles formed by two intersecting chords are supplementary.
Correct Answer:
B
— They are supplementary.
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