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. Which of the following is a characteristic of a solution?
A.
Heterogeneous mixture
B.
Uniform composition
C.
Variable composition
D.
Settles upon standing
Show solution
Solution
A solution has a uniform composition throughout.
Correct Answer:
B
— Uniform composition
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Q. Which of the following is a characteristic of a sound wave?
A.
Transverse wave
B.
Longitudinal wave
C.
Electromagnetic wave
D.
Static wave
Show solution
Solution
Sound waves are longitudinal waves, where the particle displacement is parallel to the direction of wave propagation.
Correct Answer:
B
— Longitudinal wave
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Q. Which of the following is a characteristic of a stable ecosystem? (2023)
A.
High biodiversity
B.
Low productivity
C.
Limited interactions
D.
Constant change
Show solution
Solution
High biodiversity is a characteristic of a stable ecosystem, as it enhances resilience and stability.
Correct Answer:
A
— High biodiversity
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Q. Which of the following is a characteristic of a strong acid?
A.
Partially ionizes in solution
B.
Completely ionizes in solution
C.
Has a high pH
D.
Is a weak electrolyte
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Solution
A strong acid completely ionizes in solution.
Correct Answer:
B
— Completely ionizes in solution
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Q. Which of the following is a characteristic of a supercooled liquid?
A.
It has a definite shape
B.
It flows like a solid
C.
It has a higher viscosity than normal liquids
D.
It can exist below its freezing point
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Solution
Supercooled liquids can exist below their freezing point without solidifying.
Correct Answer:
D
— It can exist below its freezing point
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Q. Which of the following is a characteristic of a system of linear equations that has a unique solution?
A.
The equations are dependent.
B.
The equations are inconsistent.
C.
The equations intersect at one point.
D.
The equations are parallel.
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Solution
A unique solution occurs when the equations intersect at exactly one point.
Correct Answer:
C
— The equations intersect at one point.
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Q. Which of the following is a characteristic of a tundra climate?
A.
High humidity
B.
Permafrost
C.
Heavy rainfall
D.
Warm temperatures
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Solution
Tundra climates are characterized by permafrost, which is permanently frozen ground.
Correct Answer:
B
— Permafrost
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Q. Which of the following is a characteristic of a virus?
A.
Can reproduce independently
B.
Contains DNA or RNA
C.
Has a cellular structure
D.
Can be treated with antibiotics
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Solution
Viruses contain either DNA or RNA and cannot reproduce independently without a host.
Correct Answer:
B
— Contains DNA or RNA
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Q. Which of the following is a characteristic of a Zener diode? (2019)
A.
Used for rectification
B.
Operates in reverse bias
C.
Has a high forward voltage drop
D.
Acts as a switch
Show solution
Solution
A Zener diode is designed to operate in reverse bias and maintain a constant voltage.
Correct Answer:
B
— Operates in reverse bias
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Q. Which of the following is a characteristic of acids? (2022)
A.
Bitter taste
B.
Slippery feel
C.
Sour taste
D.
Conduct electricity poorly
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Solution
Acids are known for their sour taste, while bases are typically bitter and slippery.
Correct Answer:
C
— Sour taste
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Q. Which of the following is a characteristic of addition polymers? (2019)
A.
Formed by condensation
B.
Involves the elimination of small molecules
C.
Monomers have double bonds
D.
Decomposes easily
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Solution
Addition polymers are formed from monomers that contain double bonds, which open up to form long chains.
Correct Answer:
C
— Monomers have double bonds
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Q. Which of the following is a characteristic of adsorption isotherms?
A.
They describe the relationship between pressure and volume.
B.
They describe the relationship between concentration and temperature.
C.
They describe the relationship between the amount of adsorbate and pressure at constant temperature.
D.
They describe the relationship between the amount of adsorbate and the surface area.
Show solution
Solution
Adsorption isotherms describe the relationship between the amount of adsorbate and pressure at constant temperature.
Correct Answer:
C
— They describe the relationship between the amount of adsorbate and pressure at constant temperature.
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Q. Which of the following is a characteristic of adsorption? (2023)
A.
It is a bulk phenomenon.
B.
It is a surface phenomenon.
C.
It occurs at high temperatures only.
D.
It is always exothermic.
Show solution
Solution
Adsorption is a surface phenomenon, as it occurs at the interface between phases.
Correct Answer:
B
— It is a surface phenomenon.
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Q. Which of the following is a characteristic of algae? (2019)
A.
They are all terrestrial
B.
They are autotrophic
C.
They have true roots
D.
They are vascular plants
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Solution
Algae are primarily autotrophic organisms that can perform photosynthesis.
Correct Answer:
B
— They are autotrophic
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Q. Which of the following is a characteristic of alkali metals? (2023)
A.
High density
B.
Softness
C.
High melting points
D.
Non-reactive
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Solution
Alkali metals are known for their softness and can be cut with a knife.
Correct Answer:
B
— Softness
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Q. Which of the following is a characteristic of alkanes?
A.
Unsaturated
B.
Cyclic
C.
Saturated
D.
Aromatic
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Solution
Alkanes are saturated hydrocarbons, meaning they contain only single bonds.
Correct Answer:
C
— Saturated
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Q. Which of the following is a characteristic of all living organisms? (2023)
A.
Ability to photosynthesize
B.
Ability to move from one place to another
C.
Ability to respond to stimuli
D.
Ability to produce heat
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Solution
The ability to respond to stimuli is a characteristic of all living organisms, allowing them to interact with their environment.
Correct Answer:
C
— Ability to respond to stimuli
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Q. Which of the following is a characteristic of alpha particles?
A.
High penetration power
B.
No charge
C.
Consist of 2 protons and 2 neutrons
D.
Lightest form of radiation
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Solution
Alpha particles consist of 2 protons and 2 neutrons, making them a helium nucleus.
Correct Answer:
C
— Consist of 2 protons and 2 neutrons
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Q. Which of the following is a characteristic of amorphous solids?
A.
Long-range order
B.
Short-range order
C.
Definite melting point
D.
High thermal conductivity
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Solution
Amorphous solids have short-range order but lack long-range order.
Correct Answer:
B
— Short-range order
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Q. Which of the following is a characteristic of an endothermic reaction?
A.
Releases heat
B.
Absorbs heat
C.
No heat change
D.
Increases temperature of surroundings
Show solution
Solution
An endothermic reaction absorbs heat from the surroundings.
Correct Answer:
B
— Absorbs heat
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Q. Which of the following is a characteristic of an exothermic reaction?
A.
Absorbs heat
B.
Releases heat
C.
No heat change
D.
Requires energy input
Show solution
Solution
An exothermic reaction releases heat to the surroundings.
Correct Answer:
B
— Releases heat
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Q. Which of the following is a characteristic of an ideal fluid?
A.
Incompressible
B.
Viscous
C.
Non-conductive
D.
Reactive
Show solution
Solution
An ideal fluid is defined as incompressible and having no viscosity.
Correct Answer:
A
— Incompressible
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Q. Which of the following is a characteristic of an ideal gas?
A.
Attractive forces between molecules
B.
Volume of gas particles is significant
C.
Elastic collisions
D.
Non-zero molecular volume
Show solution
Solution
An ideal gas is characterized by elastic collisions between gas particles.
Correct Answer:
C
— Elastic collisions
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Q. Which of the following is a characteristic of aromatic compounds?
A.
Non-planar structure
B.
Presence of double bonds
C.
Follows Huckel's rule
D.
Saturated
Show solution
Solution
Aromatic compounds follow Huckel's rule, which states that they must have (4n + 2) π electrons in a cyclic, planar structure.
Correct Answer:
C
— Follows Huckel's rule
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Q. Which of the following is a characteristic of aromatic hydrocarbons? (2023)
A.
They are saturated
B.
They have a pleasant smell
C.
They are highly reactive
D.
They contain double bonds only
Show solution
Solution
Aromatic hydrocarbons are known for their pleasant smell and contain a stable ring structure.
Correct Answer:
B
— They have a pleasant smell
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Q. Which of the following is a characteristic of asexual reproduction? (2019)
A.
Involves two parents
B.
Produces genetically identical offspring
C.
Requires gametes
D.
Occurs in higher organisms only
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Solution
Asexual reproduction produces genetically identical offspring from a single parent.
Correct Answer:
B
— Produces genetically identical offspring
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Q. Which of the following is a characteristic of bases?
A.
Taste sour
B.
Turn litmus red
C.
Feel slippery
D.
Release H+ ions
Show solution
Solution
Bases feel slippery and can turn litmus paper blue.
Correct Answer:
C
— Feel slippery
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Q. Which of the following is a characteristic of beta decay?
A.
Emission of alpha particles
B.
Conversion of a neutron into a proton
C.
Emission of gamma rays
D.
No change in atomic number
Show solution
Solution
In beta decay, a neutron is converted into a proton, resulting in an increase in atomic number by one.
Correct Answer:
B
— Conversion of a neutron into a proton
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Q. Which of the following is a characteristic of brittle materials? (2020)
A.
High ductility
B.
Low tensile strength
C.
Low elasticity
D.
Fracture without significant deformation
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Solution
Brittle materials fracture without significant deformation.
Correct Answer:
D
— Fracture without significant deformation
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Q. Which of the following is a characteristic of bryophytes? (2019)
A.
Presence of true roots
B.
Presence of xylem and phloem
C.
Moist habitats
D.
All of the above
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Solution
Bryophytes are typically found in moist habitats and do not have true roots, xylem, or phloem.
Correct Answer:
C
— Moist habitats
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