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 probability of rolling an even number on a single six-sided die?
A.
1/2
B.
1/3
C.
1/6
D.
2/3
Show solution
Solution
The even numbers on a die are 2, 4, and 6. There are 3 even numbers out of 6 total numbers, so the probability is 3/6 = 1/2.
Correct Answer:
A
— 1/2
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Q. What is the probability of selecting a vowel from the English alphabet?
A.
1/5
B.
1/10
C.
1/26
D.
1/13
Show solution
Solution
There are 5 vowels (A, E, I, O, U) in the English alphabet of 26 letters. Therefore, P(vowel) = 5/26.
Correct Answer:
A
— 1/5
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Q. What is the process by which DNA is copied to produce an identical molecule? (2020)
A.
Transcription
B.
Translation
C.
Replication
D.
Recombination
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Solution
Replication is the process by which DNA is copied to produce an identical molecule, ensuring genetic continuity.
Correct Answer:
C
— Replication
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Q. What is the process by which DNA is copied to produce two identical DNA molecules? (2021)
A.
Transcription
B.
Translation
C.
Replication
D.
Recombination
Show solution
Solution
Replication is the process by which DNA is copied to produce two identical DNA molecules.
Correct Answer:
C
— Replication
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Q. What is the process by which DNA is copied? (2021)
A.
Transcription
B.
Translation
C.
Replication
D.
Recombination
Show solution
Solution
Replication is the process by which DNA is copied to produce two identical DNA molecules.
Correct Answer:
C
— Replication
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Q. What is the process by which energy is transferred from one trophic level to another? (2020)
A.
Photosynthesis
B.
Respiration
C.
Food chain
D.
Decomposition
Show solution
Solution
The food chain illustrates how energy is transferred from one trophic level to another in an ecosystem.
Correct Answer:
C
— Food chain
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Q. What is the process by which nutrients are recycled in an ecosystem? (2020)
A.
Photosynthesis
B.
Decomposition
C.
Respiration
D.
Transpiration
Show solution
Solution
Decomposition is the process by which nutrients are recycled in an ecosystem, breaking down dead organic matter.
Correct Answer:
B
— Decomposition
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Q. What is the process by which plants lose water vapor called? (2019)
A.
Transpiration
B.
Evaporation
C.
Condensation
D.
Photosynthesis
Show solution
Solution
Transpiration is the process where water vapor is lost from the plant, primarily through stomata in the leaves.
Correct Answer:
A
— Transpiration
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Q. What is the process by which plants lose water vapor through small openings in their leaves called? (2019)
A.
Transpiration
B.
Evaporation
C.
Condensation
D.
Photosynthesis
Show solution
Solution
Transpiration is the process of water vapor loss from plant leaves, which helps in nutrient transport and temperature regulation.
Correct Answer:
A
— Transpiration
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Q. What is the process by which plants lose water vapor to the atmosphere?
A.
Transpiration
B.
Evaporation
C.
Condensation
D.
Precipitation
Show solution
Solution
Transpiration is the process through which water vapor is lost from the plant to the atmosphere, primarily through stomata.
Correct Answer:
A
— Transpiration
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Q. What is the process by which plants make their food? (2023)
A.
Photosynthesis
B.
Respiration
C.
Transpiration
D.
Digestion
Show solution
Solution
Photosynthesis is the process by which plants convert sunlight into chemical energy, producing food.
Correct Answer:
A
— Photosynthesis
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Q. What is the process called when a gas turns into a liquid? (2022)
A.
Sublimation
B.
Condensation
C.
Evaporation
D.
Freezing
Show solution
Solution
Condensation is the process where a gas turns into a liquid.
Correct Answer:
B
— Condensation
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Q. What is the process called when a heavy nucleus splits into two lighter nuclei?
A.
Nuclear fusion
B.
Nuclear fission
C.
Radioactive decay
D.
Nuclear transmutation
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Solution
Nuclear fission is the process in which a heavy nucleus splits into two lighter nuclei, releasing energy in the process.
Correct Answer:
B
— Nuclear fission
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Q. What is the process called when a nucleus emits an alpha particle? (2019)
A.
Beta decay
B.
Gamma decay
C.
Alpha decay
D.
Fission
Show solution
Solution
The emission of an alpha particle from a nucleus is known as alpha decay.
Correct Answer:
C
— Alpha decay
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Q. What is the process called when a polymer is formed by the addition of monomers without the loss of any small molecules?
A.
Condensation polymerization
B.
Addition polymerization
C.
Cross-linking
D.
Chain termination
Show solution
Solution
Addition polymerization is the process where monomers add together without the loss of small molecules.
Correct Answer:
B
— Addition polymerization
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Q. What is the process called when a polymer is formed by the elimination of a small molecule?
A.
Addition polymerization
B.
Condensation polymerization
C.
Chain-growth polymerization
D.
Step-growth polymerization
Show solution
Solution
Condensation polymerization is the process where a polymer is formed by the elimination of a small molecule.
Correct Answer:
B
— Condensation polymerization
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Q. What is the process called when a solid changes directly into a gas?
A.
Sublimation
B.
Evaporation
C.
Condensation
D.
Deposition
Show solution
Solution
Sublimation is the process where a solid changes directly into a gas without passing through the liquid state.
Correct Answer:
A
— Sublimation
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Q. What is the process called when heat is transferred through a fluid? (2019)
A.
Conduction
B.
Convection
C.
Radiation
D.
Insulation
Show solution
Solution
Convection is the process of heat transfer through a fluid (liquid or gas) due to the movement of the fluid itself.
Correct Answer:
B
— Convection
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Q. What is the process of a solid turning directly into a gas called? (2021)
A.
Condensation
B.
Sublimation
C.
Evaporation
D.
Deposition
Show solution
Solution
The process of a solid turning directly into a gas is called sublimation.
Correct Answer:
B
— Sublimation
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Q. What is the process of converting a neutron into a proton called? (2020)
A.
Beta decay
B.
Alpha decay
C.
Gamma decay
D.
Fission
Show solution
Solution
Beta decay is the process in which a neutron is converted into a proton, emitting an electron and an antineutrino.
Correct Answer:
A
— Beta decay
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Q. What is the process of converting waste materials into reusable materials called?
A.
Recycling
B.
Composting
C.
Incineration
D.
Landfilling
Show solution
Solution
Recycling is the process of converting waste materials into reusable materials.
Correct Answer:
A
— Recycling
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Q. What is the process of creating a polymer from monomers called?
A.
Polymerization
B.
Depolymerization
C.
Sublimation
D.
Condensation
Show solution
Solution
The process of creating a polymer from monomers is called polymerization.
Correct Answer:
A
— Polymerization
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Q. What is the process of forming a polymer from monomers called?
A.
Polymerization
B.
Condensation
C.
Sublimation
D.
Depolymerization
Show solution
Solution
The process of forming a polymer from monomers is called polymerization.
Correct Answer:
A
— Polymerization
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Q. What is the process of fusion of male and female gametes called? (2019)
A.
Pollination
B.
Fertilization
C.
Germination
D.
Transpiration
Show solution
Solution
The process of fusion of male and female gametes is called fertilization.
Correct Answer:
B
— Fertilization
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Q. What is the process of heat transfer through a fluid due to density differences called? (2023)
A.
Conduction
B.
Convection
C.
Radiation
D.
Insulation
Show solution
Solution
The process of heat transfer through a fluid due to density differences is called convection.
Correct Answer:
B
— Convection
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Q. What is the process of heat transfer through direct contact called? (2022)
A.
Convection
B.
Conduction
C.
Radiation
D.
Insulation
Show solution
Solution
The process of heat transfer through direct contact is called conduction.
Correct Answer:
B
— Conduction
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Q. What is the process of heat transfer through fluid motion called? (2022)
A.
Conduction
B.
Convection
C.
Radiation
D.
Insulation
Show solution
Solution
The process of heat transfer through fluid motion is called convection.
Correct Answer:
B
— Convection
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Q. What is the process of heat transfer through the movement of fluids called? (2022)
A.
Conduction
B.
Convection
C.
Radiation
D.
Insulation
Show solution
Solution
The process of heat transfer through the movement of fluids is called convection.
Correct Answer:
B
— Convection
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Q. What is the product formed when 1-bromopropane reacts with sodium hydroxide in ethanol? (2021)
A.
Propene
B.
1-Propanol
C.
2-Propanol
D.
Bromopropane
Show solution
Solution
1-bromopropane reacts with sodium hydroxide in ethanol to form 1-propanol through a nucleophilic substitution reaction.
Correct Answer:
B
— 1-Propanol
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Q. What is the product formed when Fe2O3 is reduced by carbon monoxide?
Show solution
Solution
The product formed is Fe (iron) when Fe2O3 is reduced by carbon monoxide.
Correct Answer:
A
— Fe
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