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 part of speech modifies a verb, an adjective, or another adverb? (2023)
A.
Noun
B.
Adverb
C.
Conjunction
D.
Pronoun
Show solution
Solution
An adverb modifies a verb, an adjective, or another adverb, providing more detail about how, when, where, or to what extent.
Correct Answer:
B
— Adverb
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Q. What part of speech provides more information about a noun?
A.
Adverb
B.
Conjunction
C.
Adjective
D.
Pronoun
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Solution
An adjective provides more information about a noun.
Correct Answer:
C
— Adjective
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Q. What part of speech typically expresses an action or state of being? (2019)
A.
Noun
B.
Adjective
C.
Verb
D.
Pronoun
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Solution
A verb is a part of speech that expresses an action or a state of being.
Correct Answer:
C
— Verb
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Q. What part of the brain controls balance and coordination?
A.
Cerebrum
B.
Cerebellum
C.
Brainstem
D.
Thalamus
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Solution
The cerebellum controls balance and coordination.
Correct Answer:
B
— Cerebellum
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Q. What percentage of the Earth's water is freshwater?
A.
2.5%
B.
5%
C.
10%
D.
20%
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Solution
Only about 2.5% of the Earth's water is freshwater.
Correct Answer:
A
— 2.5%
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Q. What percentage of the total sales does Product A represent in the pie chart?
A.
10%
B.
25%
C.
40%
D.
50%
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Solution
Product A represents 40% of the total sales as shown in the pie chart.
Correct Answer:
C
— 40%
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Q. What percentage of total sales does Product B represent in Q4?
A.
10%
B.
20%
C.
30%
D.
40%
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Solution
Total sales in Q4 are $10000. Product B sales are $3000. Percentage = ($3000 / $10000) * 100 = 30%.
Correct Answer:
C
— 30%
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Q. What percentage of total sales does Product D represent in Q3?
A.
10%
B.
20%
C.
30%
D.
40%
Show solution
Solution
Product D represents 40% of total sales in Q3.
Correct Answer:
D
— 40%
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Q. What phenomenon explains why a straw appears bent when placed in a glass of water? (2020)
A.
Reflection
B.
Refraction
C.
Diffraction
D.
Dispersion
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Solution
Refraction is the bending of light as it passes from one medium to another, which causes the straw to appear bent in water.
Correct Answer:
B
— Refraction
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Q. What phenomenon is characterized by a significant drop in temperature and heavy snowfall?
A.
Heatwave
B.
Blizzard
C.
Drought
D.
Tornado
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Solution
A blizzard is characterized by a significant drop in temperature and heavy snowfall.
Correct Answer:
B
— Blizzard
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Q. What phenomenon occurs when a liquid rises in a narrow tube against gravity?
A.
Viscosity
B.
Surface tension
C.
Capillarity
D.
Hydrostatic pressure
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Solution
Capillarity is the phenomenon where liquid rises in a narrow tube due to surface tension.
Correct Answer:
C
— Capillarity
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Q. What phenomenon occurs when sound waves bounce off a surface?
A.
Refraction
B.
Diffraction
C.
Reflection
D.
Absorption
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Solution
The bouncing back of sound waves from a surface is called reflection.
Correct Answer:
C
— Reflection
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Q. What process do cells use to divide and replicate?
A.
Meiosis
B.
Mitosis
C.
Fission
D.
Budding
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Solution
Mitosis is the process by which a cell divides to produce two identical daughter cells.
Correct Answer:
B
— Mitosis
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Q. What role did child labor play during the Industrial Revolution?
A.
It was banned in all industries
B.
It was a significant source of cheap labor
C.
It was limited to agricultural work
D.
It was primarily voluntary
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Solution
Child labor played a significant role during the Industrial Revolution as children were employed in factories and mines due to their ability to be paid lower wages, contributing to the workforce.
Correct Answer:
B
— It was a significant source of cheap labor
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Q. What role did Louis Pasteur play in the development of biotechnology?
A.
Developed the first vaccine
B.
Discovered the structure of DNA
C.
Pioneered fermentation and pasteurization
D.
Created the first GMO
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Solution
Louis Pasteur is known for pioneering fermentation and pasteurization processes, which are foundational to the field of biotechnology.
Correct Answer:
C
— Pioneered fermentation and pasteurization
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Q. What role did the establishment of the United Nations play in shaping global disaster response frameworks post-World War II? (1945)
A.
Promoting military intervention
B.
Facilitating international cooperation
C.
Encouraging isolationist policies
D.
Limiting humanitarian aid
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Solution
The United Nations facilitated international cooperation in disaster response, leading to coordinated efforts in humanitarian aid.
Correct Answer:
B
— Facilitating international cooperation
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Q. What role do constraints play in the analysis of mechanical systems? (2021)
A.
They simplify the equations of motion
B.
They increase the complexity of the system
C.
They have no significant impact
D.
They only affect energy calculations
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Solution
Constraints simplify the equations of motion by limiting the degrees of freedom in a mechanical system.
Correct Answer:
A
— They simplify the equations of motion
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Q. What role do enzymes play in biological systems?
A.
They provide structural support
B.
They act as catalysts for biochemical reactions
C.
They store genetic information
D.
They transport molecules across membranes
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Solution
Enzymes are proteins that act as catalysts, speeding up biochemical reactions without being consumed in the process.
Correct Answer:
B
— They act as catalysts for biochemical reactions
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Q. What role do individual actions play in combating climate change according to the passage?
A.
They are insignificant compared to corporate actions.
B.
They can collectively lead to substantial change.
C.
They are the sole solution to climate issues.
D.
They are discouraged by the author.
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Solution
The passage highlights that individual actions, when taken collectively, can contribute significantly to combating climate change.
Correct Answer:
B
— They can collectively lead to substantial change.
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Q. What role does 'statistics' play in modern mathematics?
A.
It is used to prove mathematical theorems.
B.
It helps in making inferences from data.
C.
It is only applicable in theoretical contexts.
D.
It simplifies complex equations.
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Solution
Statistics plays a crucial role in modern mathematics by helping to make inferences and decisions based on data analysis.
Correct Answer:
B
— It helps in making inferences from data.
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Q. What role does community participation play in disaster management? (2018)
A.
It is not significant in disaster management.
B.
It helps in effective response and recovery.
C.
It complicates the disaster management process.
D.
It is only relevant during the recovery phase.
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Solution
Community participation is crucial in disaster management as it enhances the effectiveness of response and recovery efforts by involving local knowledge and resources.
Correct Answer:
B
— It helps in effective response and recovery.
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Q. What role does context play in understanding complex arrangements according to the passage?
A.
Context is irrelevant to complexity.
B.
Context simplifies complex arrangements.
C.
Context enhances the understanding of complexity.
D.
Context complicates the interpretation of arrangements.
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Solution
The passage indicates that context is crucial for grasping the nuances of complex arrangements, supporting option 2.
Correct Answer:
C
— Context enhances the understanding of complexity.
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Q. What role does current affairs play in essay writing for the UPSC Mains examination?
A.
It is irrelevant to the essay topic.
B.
It provides examples to support arguments.
C.
It distracts from the main topic.
D.
It is only useful for the introduction.
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Solution
Current affairs provide relevant examples and case studies that can enhance the arguments made in the essay, making it more relatable and grounded.
Correct Answer:
B
— It provides examples to support arguments.
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Q. What role does digital sum play in enhancing technology, according to the passage?
A.
It serves as a foundational principle for new inventions.
B.
It acts as a barrier to technological advancement.
C.
It complicates existing processes.
D.
It is irrelevant to modern technology.
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Solution
The passage indicates that digital sum serves as a foundational principle that supports and enhances new technological inventions.
Correct Answer:
A
— It serves as a foundational principle for new inventions.
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Q. What role does digital sum play in enhancing user experience according to the passage?
A.
It makes technology more accessible.
B.
It increases the speed of data retrieval.
C.
It personalizes user interactions.
D.
It reduces the need for technical knowledge.
Show solution
Solution
The passage indicates that digital sum contributes to making technology more accessible, thereby enhancing user experience.
Correct Answer:
A
— It makes technology more accessible.
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Q. What role does digital sum play in error detection according to the passage? (2023)
A.
It is irrelevant to error detection.
B.
It helps identify discrepancies in data.
C.
It complicates the error detection process.
D.
It is only useful in theoretical scenarios.
Show solution
Solution
The passage states that digital sum helps identify discrepancies in data, making it valuable for error detection.
Correct Answer:
B
— It helps identify discrepancies in data.
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Q. What role does digital sum play in error detection as per the passage? (2023)
A.
It identifies errors in data entry.
B.
It verifies the accuracy of calculations.
C.
It helps in correcting data automatically.
D.
It provides a checksum for data integrity.
Show solution
Solution
The passage states that digital sum provides a checksum, which is essential for maintaining data integrity and detecting errors.
Correct Answer:
D
— It provides a checksum for data integrity.
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Q. What role does feedback play in team formation and development?
A.
It creates tension among members.
B.
It is unnecessary for team success.
C.
It fosters improvement and growth.
D.
It should be avoided to maintain morale.
Show solution
Solution
Feedback is essential as it fosters improvement and growth, helping teams to evolve and perform better.
Correct Answer:
C
— It fosters improvement and growth.
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Q. What role does phosphorus play in plants? (2021)
A.
Energy transfer
B.
Water absorption
C.
Cell wall formation
D.
Photosynthesis
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Solution
Phosphorus is vital for energy transfer through ATP and is also important for nucleic acid synthesis.
Correct Answer:
A
— Energy transfer
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Q. What role does the 'Reserve Bank of India' play in the Indian economy?
A.
It is responsible for formulating fiscal policy.
B.
It regulates the banking sector and manages monetary policy.
C.
It oversees the stock market operations.
D.
It provides loans to state governments.
Show solution
Solution
The Reserve Bank of India regulates the banking sector and manages the country's monetary policy to ensure economic stability.
Correct Answer:
B
— It regulates the banking sector and manages monetary policy.
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