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 potential drawback of digital sum mentioned in the passage? (2023)
A.
It is too complex for practical use.
B.
It may lead to oversimplification of data.
C.
It is not widely recognized in the industry.
D.
It requires advanced mathematical knowledge.
Show solution
Solution
The passage mentions that a potential drawback of digital sum is that it may lead to oversimplification of data, which can be problematic.
Correct Answer:
B
— It may lead to oversimplification of data.
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Q. Which of the following is a potential drawback of having a highly diverse team?
A.
Increased creativity
B.
Broader perspectives
C.
Potential for miscommunication
D.
Enhanced problem-solving
Show solution
Solution
While diversity brings many benefits, a potential drawback is the increased potential for miscommunication due to differing backgrounds and perspectives.
Correct Answer:
C
— Potential for miscommunication
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Q. Which of the following is a potential risk associated with genetically modified crops? (2021)
A.
Increased biodiversity
B.
Development of resistant pests
C.
Higher nutritional value
D.
Lower production costs
Show solution
Solution
One potential risk of genetically modified crops is the development of resistant pests, which can lead to increased agricultural challenges.
Correct Answer:
B
— Development of resistant pests
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Q. Which of the following is a potential risk associated with the use of biotechnology in agriculture? (2022)
A.
Increased food production
B.
Development of resistant pests
C.
Improved nutritional value
D.
Lower environmental impact
Show solution
Solution
One potential risk is the development of resistant pests, which can lead to increased pesticide use.
Correct Answer:
B
— Development of resistant pests
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Q. Which of the following is a potential risk associated with the use of GMOs? (2019)
A.
Increased biodiversity
B.
Development of resistant pests
C.
Higher nutritional value
D.
Lower environmental impact
Show solution
Solution
A potential risk associated with the use of GMOs is the development of resistant pests, which can lead to increased pesticide use.
Correct Answer:
B
— Development of resistant pests
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Q. Which of the following is a potential solution to climate change mentioned in the passage?
A.
Increased fossil fuel consumption.
B.
Afforestation and reforestation.
C.
Reduction of renewable energy investments.
D.
Expansion of urban areas.
Show solution
Solution
The passage highlights afforestation and reforestation as effective strategies to combat climate change and enhance carbon sequestration.
Correct Answer:
B
— Afforestation and reforestation.
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Q. Which of the following is a power exclusive to the Lok Sabha? (2020)
A.
Impeachment of the President
B.
Money bills
C.
Ratification of treaties
D.
Appointment of the Prime Minister
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Solution
Only the Lok Sabha can introduce Money Bills, as per Article 110 of the Constitution.
Correct Answer:
B
— Money bills
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Q. Which of the following is a power exclusive to the State Legislature? (1950)
A.
To legislate on defense
B.
To legislate on education
C.
To legislate on foreign affairs
D.
To legislate on currency
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Solution
Legislation on education is a power exclusive to the State Legislature, as it falls under the Concurrent List.
Correct Answer:
B
— To legislate on education
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Q. Which of the following is a power of the Parliament in India?
A.
To declare war
B.
To appoint the Prime Minister
C.
To legislate on matters in the Concurrent List
D.
All of the above
Show solution
Solution
The Parliament has the power to declare war, appoint the Prime Minister, and legislate on matters in the Concurrent List.
Correct Answer:
D
— All of the above
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Q. Which of the following is a practical application of diffraction?
A.
Optical instruments
B.
Radio transmission
C.
Medical imaging
D.
All of the above
Show solution
Solution
Diffraction is utilized in various applications including optical instruments, radio transmission, and medical imaging.
Correct Answer:
D
— All of the above
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Q. Which of the following is a practical application of electromagnetic induction? (2019)
A.
Electric generator
B.
Resistor
C.
Capacitor
D.
Diode
Show solution
Solution
Electric generators utilize electromagnetic induction to convert mechanical energy into electrical energy.
Correct Answer:
A
— Electric generator
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Q. Which of the following is a practical application of total internal reflection?
A.
Lenses in glasses.
B.
Mirrors in telescopes.
C.
Fiber optic communication.
D.
Convex lenses.
Show solution
Solution
Fiber optic communication relies on total internal reflection to transmit light signals over long distances with minimal loss.
Correct Answer:
C
— Fiber optic communication.
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Q. Which of the following is a primary alcohol derived from an alkane?
A.
Methanol
B.
Ethanol
C.
Propan-1-ol
D.
Butanol
Show solution
Solution
Propan-1-ol is a primary alcohol derived from propane.
Correct Answer:
C
— Propan-1-ol
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Q. Which of the following is a primary alcohol?
A.
1-butanol
B.
2-butanol
C.
tert-butanol
D.
cyclohexanol
Show solution
Solution
1-butanol has the hydroxyl group attached to a primary carbon atom.
Correct Answer:
A
— 1-butanol
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Q. Which of the following is a primary alcohol? (2020) 2020
A.
2-Propanol
B.
1-Butanol
C.
Cyclohexanol
D.
2-Pentanol
Show solution
Solution
1-Butanol has the hydroxyl group (-OH) attached to a primary carbon, making it a primary alcohol.
Correct Answer:
B
— 1-Butanol
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Q. Which of the following is a primary alcohol? (2022) 2022
A.
1-butanol
B.
2-butanol
C.
tert-butanol
D.
cyclohexanol
Show solution
Solution
1-butanol has the hydroxyl group (-OH) attached to a primary carbon atom, making it a primary alcohol.
Correct Answer:
A
— 1-butanol
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Q. Which of the following is a primary amine?
A.
CH3NH2
B.
(CH3)2NH
C.
(C2H5)3N
D.
C6H5NH2
Show solution
Solution
CH3NH2 is a primary amine as it has one alkyl group attached to the nitrogen atom.
Correct Answer:
A
— CH3NH2
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Q. Which of the following is a primary amine? (2022) 2022
A.
Ethylamine
B.
Dimethylamine
C.
Trimethylamine
D.
Aniline
Show solution
Solution
Ethylamine (C2H5NH2) is a primary amine as it has one alkyl group attached to the nitrogen atom.
Correct Answer:
A
— Ethylamine
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Q. Which of the following is a primary cell?
A.
Lead-acid battery
B.
Nickel-cadmium battery
C.
Zinc-carbon battery
D.
Lithium-ion battery
Show solution
Solution
The zinc-carbon battery is a primary cell, while the others are secondary cells.
Correct Answer:
C
— Zinc-carbon battery
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Q. Which of the following is a primary cell? (2023) 2023
A.
Lead-acid battery
B.
Nickel-cadmium battery
C.
Zinc-carbon battery
D.
Lithium-ion battery
Show solution
Solution
The zinc-carbon battery is a type of primary cell, which cannot be recharged.
Correct Answer:
C
— Zinc-carbon battery
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Q. Which of the following is a primary function of the phloem? (2023)
A.
Transport of water
B.
Transport of nutrients
C.
Transport of food
D.
Storage of water
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Solution
Phloem is responsible for the transport of food, primarily in the form of sucrose, from the leaves to other parts of the plant.
Correct Answer:
C
— Transport of food
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Q. Which of the following is a primary haloalkane?
A.
1-bromobutane
B.
2-bromobutane
C.
3-bromobutane
D.
Bromobenzene
Show solution
Solution
1-bromobutane is a primary haloalkane as the carbon attached to the halogen is bonded to only one other carbon.
Correct Answer:
A
— 1-bromobutane
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Q. Which of the following is a primary producer in an ecosystem? (2022)
A.
Herbivores
B.
Carnivores
C.
Plants
D.
Decomposers
Show solution
Solution
Primary producers, such as plants, convert solar energy into chemical energy through photosynthesis.
Correct Answer:
C
— Plants
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Q. Which of the following is a primary structure of proteins?
A.
Sequence of amino acids
B.
Alpha-helix structure
C.
Beta-pleated sheet
D.
Quaternary structure
Show solution
Solution
The primary structure of proteins refers to the linear sequence of amino acids linked by peptide bonds.
Correct Answer:
A
— Sequence of amino acids
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Q. Which of the following is a product of biotechnology used in agriculture? (2019)
A.
Insulin
B.
Bt cotton
C.
Human growth hormone
D.
Vaccines
Show solution
Solution
Bt cotton is a genetically modified organism (GMO) that has been engineered to express a bacterial toxin, making it resistant to certain pests.
Correct Answer:
B
— Bt cotton
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Q. Which of the following is a product of microbial fermentation? (2022)
A.
Antibiotics
B.
Vitamins
C.
Alcohol
D.
All of the above
Show solution
Solution
Microbial fermentation can produce antibiotics, vitamins, and alcohol, among other products.
Correct Answer:
D
— All of the above
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Q. Which of the following is a product of photosynthesis? (2021)
A.
Carbon Dioxide
B.
Glucose
C.
Oxygen
D.
Both Glucose and Oxygen
Show solution
Solution
Photosynthesis produces glucose and oxygen as products, using sunlight, carbon dioxide, and water.
Correct Answer:
D
— Both Glucose and Oxygen
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Q. Which of the following is a prokaryotic cell? (2022)
A.
Plant cell
B.
Animal cell
C.
Bacterial cell
D.
Fungal cell
Show solution
Solution
Bacterial cells are prokaryotic, meaning they lack a defined nucleus and membrane-bound organelles.
Correct Answer:
C
— Bacterial cell
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Q. Which of the following is a prokaryotic organism? (2022)
A.
Fungi
B.
Bacteria
C.
Plants
D.
Animals
Show solution
Solution
Bacteria are prokaryotic organisms, which means they lack a defined nucleus and membrane-bound organelles.
Correct Answer:
B
— Bacteria
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Q. Which of the following is a property of a Newtonian fluid?
A.
Viscosity changes with shear rate
B.
Constant viscosity regardless of shear rate
C.
Non-linear flow behavior
D.
High compressibility
Show solution
Solution
A Newtonian fluid has a constant viscosity regardless of the shear rate.
Correct Answer:
B
— Constant viscosity regardless of shear rate
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