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 primary intermolecular force present in water?
A.
Ionic bonds
B.
Covalent bonds
C.
Hydrogen bonds
D.
Van der Waals forces
Show solution
Solution
Water exhibits hydrogen bonding due to the presence of O-H bonds.
Correct Answer:
C
— Hydrogen bonds
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Q. What is the primary legal document that outlines the terms of a partnership?
A.
Partnership deed
B.
Business plan
C.
Operating agreement
D.
Shareholder agreement
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Solution
The primary legal document that outlines the terms of a partnership is called a partnership deed.
Correct Answer:
A
— Partnership deed
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Q. What is the primary mechanism by which nutrients are transported in phloem?
A.
Diffusion
B.
Bulk flow
C.
Active transport
D.
Osmosis
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Solution
Nutrients in phloem are primarily transported by bulk flow, which is driven by pressure differences.
Correct Answer:
B
— Bulk flow
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Q. What is the primary mechanism of adsorption in activated charcoal?
A.
Chemical bonding
B.
Physical adsorption
C.
Capillary action
D.
Electrostatic attraction
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Solution
Activated charcoal primarily adsorbs substances through physical adsorption due to its high surface area and porous structure.
Correct Answer:
B
— Physical adsorption
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Q. What is the primary mechanism of adsorption in physisorption?
A.
Chemical bonding
B.
Van der Waals forces
C.
Hydrogen bonding
D.
Ionic bonding
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Solution
Physisorption occurs primarily due to weak Van der Waals forces.
Correct Answer:
B
— Van der Waals forces
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Q. What is the primary mechanism of current flow in semiconductors?
A.
Electron flow only
B.
Hole flow only
C.
Both electron and hole flow
D.
Ionic flow
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Solution
Current flow in semiconductors occurs due to the movement of both electrons and holes.
Correct Answer:
C
— Both electron and hole flow
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Q. What is the primary mechanism of evolution proposed by Charles Darwin?
A.
Natural Selection
B.
Genetic Drift
C.
Mutation
D.
Gene Flow
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Solution
Charles Darwin proposed the mechanism of evolution known as Natural Selection, which explains how species adapt and evolve over time based on environmental pressures.
Correct Answer:
A
— Natural Selection
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Q. What is the primary mechanism of heat transfer in a vacuum?
A.
Conduction
B.
Convection
C.
Radiation
D.
None of the above
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Solution
In a vacuum, heat transfer occurs primarily through radiation, as there are no particles to conduct or convect heat.
Correct Answer:
C
— Radiation
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Q. What is the primary mechanism of heat transfer in liquids and gases?
A.
Conduction
B.
Convection
C.
Radiation
D.
Insulation
Show solution
Solution
In liquids and gases, convection is the primary mechanism of heat transfer, as it involves the movement of fluid.
Correct Answer:
B
— Convection
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Q. What is the primary mechanism of heat transfer in liquids?
A.
Conduction
B.
Convection
C.
Radiation
D.
All of the above
Show solution
Solution
In liquids, convection is the primary mechanism of heat transfer, although conduction and radiation can also occur.
Correct Answer:
B
— Convection
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Q. What is the primary message of the passage about healthy eating?
A.
Healthy eating is too complicated for most people.
B.
A balanced diet is essential for maintaining good health.
C.
Healthy eating is only important for weight loss.
D.
All diets are equally effective.
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Solution
The passage advocates for the importance of a balanced diet in promoting overall health and well-being.
Correct Answer:
B
— A balanced diet is essential for maintaining good health.
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Q. What is the primary method for reducing carbon emissions in urban areas?
A.
Increasing fossil fuel use
B.
Promoting public transportation
C.
Encouraging deforestation
D.
Reducing recycling efforts
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Solution
Promoting public transportation is a primary method for reducing carbon emissions in urban areas.
Correct Answer:
B
— Promoting public transportation
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Q. What is the primary method for treating wastewater?
A.
Filtration
B.
Chlorination
C.
Biological treatment
D.
Incineration
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Solution
Biological treatment is the primary method for treating wastewater, utilizing microorganisms to break down organic matter.
Correct Answer:
C
— Biological treatment
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Q. What is the primary method of heat transfer from the Sun to the Earth?
A.
Conduction
B.
Convection
C.
Radiation
D.
Conduction and Convection
Show solution
Solution
The primary method of heat transfer from the Sun to the Earth is radiation, as it travels through the vacuum of space.
Correct Answer:
C
— Radiation
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Q. What is the primary method of reducing carbon emissions in transportation?
A.
Switching to electric vehicles
B.
Increasing fossil fuel use
C.
Using more plastic
D.
Reducing public transport
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Solution
Switching to electric vehicles is a primary method of reducing carbon emissions in transportation.
Correct Answer:
A
— Switching to electric vehicles
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Q. What is the primary method of reproduction in bacteria? (2021)
A.
Binary fission
B.
Budding
C.
Fragmentation
D.
Sexual reproduction
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Solution
Bacteria primarily reproduce asexually through binary fission, where a single cell divides into two identical cells.
Correct Answer:
A
— Binary fission
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Q. What is the primary method of treating wastewater?
A.
Incineration
B.
Filtration
C.
Biological treatment
D.
Chemical treatment
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Solution
Biological treatment is a common method for treating wastewater, utilizing microorganisms to break down organic matter.
Correct Answer:
C
— Biological treatment
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Q. What is the primary method used to study the Earth's interior? (2023)
A.
Seismic waves
B.
Magnetic field analysis
C.
Gravitational studies
D.
Satellite imagery
Show solution
Solution
Seismic waves generated by earthquakes are the primary method used to study the Earth's interior structure.
Correct Answer:
A
— Seismic waves
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Q. What is the primary method used to treat wastewater?
A.
Filtration
B.
Sedimentation
C.
Biological treatment
D.
Chemical treatment
Show solution
Solution
Biological treatment is the primary method used to treat wastewater, utilizing microorganisms to break down organic matter.
Correct Answer:
C
— Biological treatment
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Q. What is the primary mode of heat transfer from the Sun to the Earth?
A.
Conduction
B.
Convection
C.
Radiation
D.
Conduction and Convection
Show solution
Solution
The primary mode of heat transfer from the Sun to the Earth is radiation, as it travels through the vacuum of space.
Correct Answer:
C
— Radiation
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Q. What is the primary mode of heat transfer in a vacuum?
A.
Conduction
B.
Convection
C.
Radiation
D.
Insulation
Show solution
Solution
In a vacuum, there are no particles to conduct or convect heat, so radiation is the only mode of heat transfer.
Correct Answer:
C
— Radiation
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Q. What is the primary mode of heat transfer in liquids and gases?
A.
Conduction
B.
Convection
C.
Radiation
D.
None of the above
Show solution
Solution
Convection is the primary mode of heat transfer in liquids and gases due to the movement of the fluid.
Correct Answer:
B
— Convection
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Q. What is the primary mode of nutrition in the kingdom Animalia? (2023)
A.
Autotrophic
B.
Heterotrophic
C.
Saprophytic
D.
Parasitic
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Solution
The primary mode of nutrition in the kingdom Animalia is heterotrophic.
Correct Answer:
B
— Heterotrophic
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Q. What is the primary mode of nutrition in the kingdom Plantae? (2022)
A.
Heterotrophic
B.
Saprophytic
C.
Autotrophic
D.
Parasitic
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Solution
Plants primarily exhibit autotrophic nutrition through photosynthesis.
Correct Answer:
C
— Autotrophic
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Q. What is the primary mode of reproduction in angiosperms? (2023)
A.
Asexual reproduction
B.
Budding
C.
Fission
D.
Sexual reproduction
Show solution
Solution
Angiosperms primarily reproduce through sexual reproduction, involving flowers and seeds.
Correct Answer:
D
— Sexual reproduction
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Q. What is the primary mode of reproduction in ferns? (2023)
A.
Asexual reproduction
B.
Sexual reproduction
C.
Vegetative propagation
D.
Budding
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Solution
Ferns primarily reproduce through sexual reproduction, producing spores.
Correct Answer:
B
— Sexual reproduction
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Q. What is the primary mode of reproduction in unicellular organisms? (2020)
A.
Asexual reproduction
B.
Sexual reproduction
C.
Binary fission
D.
Budding
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Solution
Unicellular organisms primarily reproduce asexually, often through processes like binary fission.
Correct Answer:
A
— Asexual reproduction
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Q. What is the primary monomer used in the production of polyethylene?
A.
Propylene
B.
Ethylene
C.
Styrene
D.
Vinyl chloride
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Solution
Polyethylene is primarily made from the polymerization of ethylene monomers.
Correct Answer:
B
— Ethylene
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Q. What is the primary monomer used to produce polystyrene?
A.
Ethylene
B.
Propylene
C.
Styrene
D.
Vinyl chloride
Show solution
Solution
Styrene is the primary monomer used to produce polystyrene.
Correct Answer:
C
— Styrene
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Q. What is the primary muscle involved in the process of breathing? (2021)
A.
Diaphragm
B.
Intercostal muscles
C.
Abdominal muscles
D.
Pectoral muscles
Show solution
Solution
The diaphragm is the primary muscle that contracts and relaxes to facilitate breathing.
Correct Answer:
A
— Diaphragm
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