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 main effect of deforestation on biodiversity? (2019)
A.
Increase in species diversity
B.
Habitat loss
C.
Improvement in ecosystem services
D.
Reduction in carbon footprint
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Solution
Deforestation leads to habitat loss, which is a major threat to biodiversity.
Correct Answer:
B
— Habitat loss
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Q. What is the main effect of deforestation on the environment? (2019)
A.
Increased biodiversity
B.
Soil conservation
C.
Loss of habitat
D.
Improved air quality
Show solution
Solution
Deforestation leads to the loss of habitat for many species, resulting in decreased biodiversity.
Correct Answer:
C
— Loss of habitat
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Q. What is the main effect of heavy metal pollution in water bodies?
A.
Increased biodiversity
B.
Eutrophication
C.
Bioaccumulation
D.
Oxygenation
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Solution
Heavy metal pollution can lead to bioaccumulation in aquatic organisms, which can have harmful effects on the food chain.
Correct Answer:
C
— Bioaccumulation
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Q. What is the main energy source for muscle contraction? (2023)
A.
Glucose
B.
Fatty acids
C.
ATP
D.
Creatine phosphate
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Solution
Adenosine triphosphate (ATP) is the main energy source for muscle contraction.
Correct Answer:
C
— ATP
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Q. What is the main environmental concern associated with plastic waste? (2022)
A.
Air pollution
B.
Soil degradation
C.
Water contamination
D.
All of the above
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Solution
Plastic waste poses multiple environmental concerns, including air pollution from incineration, soil degradation, and water contamination.
Correct Answer:
D
— All of the above
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Q. What is the main environmental concern associated with the use of chlorofluorocarbons (CFCs)?
A.
Ozone layer depletion
B.
Global warming
C.
Acid rain
D.
Water pollution
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Solution
Chlorofluorocarbons (CFCs) are primarily known for their role in ozone layer depletion.
Correct Answer:
A
— Ozone layer depletion
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Q. What is the main enzyme involved in protein digestion in the stomach? (2021)
A.
Amylase
B.
Pepsin
C.
Trypsin
D.
Lipase
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Solution
Pepsin is the main enzyme that digests proteins in the acidic environment of the stomach.
Correct Answer:
B
— Pepsin
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Q. What is the main excretory product of purine metabolism? (2022)
A.
Urea
B.
Creatinine
C.
Uric acid
D.
Ammonia
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Solution
Uric acid is the main excretory product of purine metabolism in humans.
Correct Answer:
C
— Uric acid
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Q. What is the main factor that affects the climate of a region? (2022)
A.
Altitude
B.
Latitude
C.
Longitude
D.
Population
Show solution
Solution
Latitude is the main factor that affects the climate of a region.
Correct Answer:
B
— Latitude
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Q. What is the main factor that determines the climate of a region?
A.
Altitude
B.
Latitude
C.
Longitude
D.
Proximity to water bodies
Show solution
Solution
Latitude is the main factor that determines the climate of a region.
Correct Answer:
B
— Latitude
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Q. What is the main factor that determines the type of ecosystem in a particular area? (2019)
A.
Soil type
B.
Climate
C.
Topography
D.
Human activity
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Solution
Climate is the main factor that determines the type of ecosystem, influencing temperature and precipitation patterns.
Correct Answer:
B
— Climate
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Q. What is the main factor that drives ocean currents?
A.
Wind
B.
Salinity
C.
Temperature
D.
Gravity
Show solution
Solution
Wind is the primary factor that drives ocean currents, influencing their direction and speed.
Correct Answer:
A
— Wind
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Q. What is the main factor that influences climate in a region?
A.
Altitude
B.
Latitude
C.
Longitude
D.
Population
Show solution
Solution
Latitude is the main factor that influences climate in a region.
Correct Answer:
B
— Latitude
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Q. What is the main factor that influences ocean currents?
A.
Wind
B.
Salinity
C.
Temperature
D.
All of the above
Show solution
Solution
All of the above factors influence ocean currents.
Correct Answer:
D
— All of the above
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Q. What is the main factor that influences the climate of a region?
A.
Altitude
B.
Latitude
C.
Longitude
D.
Population density
Show solution
Solution
Latitude is the main factor that influences the climate of a region.
Correct Answer:
B
— Latitude
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Q. What is the main feature of a primary alcohol?
A.
The hydroxyl group is attached to a carbon with one alkyl group
B.
The hydroxyl group is attached to a carbon with two alkyl groups
C.
The hydroxyl group is attached to a carbon with three alkyl groups
D.
The hydroxyl group is attached to a carbon in a ring
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Solution
A primary alcohol has the hydroxyl group (-OH) attached to a carbon atom that is bonded to only one other carbon atom.
Correct Answer:
A
— The hydroxyl group is attached to a carbon with one alkyl group
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Q. What is the main feature of addition polymerization?
A.
Involves the loss of small molecules
B.
Involves the addition of monomers without by-products
C.
Requires a catalyst
D.
Involves the formation of cross-linked structures
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Solution
Addition polymerization involves the addition of monomers to form a polymer without the loss of small molecules.
Correct Answer:
B
— Involves the addition of monomers without by-products
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Q. What is the main feature of addition polymers?
A.
They release small molecules during polymerization
B.
They are formed from monomers with double bonds
C.
They have a high degree of crystallinity
D.
They are always biodegradable
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Solution
Addition polymers are formed from monomers that contain double bonds, which open up to form long chains.
Correct Answer:
B
— They are formed from monomers with double bonds
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Q. What is the main feature of aromatic compounds?
A.
Presence of double bonds
B.
Presence of a benzene ring
C.
Presence of hydroxyl groups
D.
Presence of carboxylic groups
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Solution
Aromatic compounds are characterized by the presence of a benzene ring.
Correct Answer:
B
— Presence of a benzene ring
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Q. What is the main feature of condensation polymerization?
A.
It produces small molecules as byproducts
B.
It requires high temperatures
C.
It involves ionic bonds
D.
It is a reversible reaction
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Solution
Condensation polymerization produces small molecules, such as water, as byproducts.
Correct Answer:
A
— It produces small molecules as byproducts
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Q. What is the main feature of elastomers?
A.
High tensile strength
B.
Elasticity
C.
Brittleness
D.
Thermal stability
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Solution
Elastomers are characterized by their elasticity, allowing them to stretch and return to their original shape.
Correct Answer:
B
— Elasticity
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Q. What is the main feature of terminal alkynes?
A.
They have a triple bond in the middle
B.
They can form carbanions
C.
They are less acidic than alkenes
D.
They cannot undergo substitution reactions
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Solution
Terminal alkynes can form carbanions due to the acidity of the hydrogen atom attached to the sp-hybridized carbon.
Correct Answer:
B
— They can form carbanions
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Q. What is the main feature of the Atal Pension Yojana? (2015)
A.
To provide loans to farmers
B.
To offer a guaranteed pension to workers in the unorganized sector
C.
To promote digital payments
D.
To enhance women's savings
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Solution
The Atal Pension Yojana offers a guaranteed pension to workers in the unorganized sector, ensuring financial security in old age.
Correct Answer:
B
— To offer a guaranteed pension to workers in the unorganized sector
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Q. What is the main feature that distinguishes alkynes from alkenes?
A.
Presence of double bonds
B.
Presence of triple bonds
C.
Saturation
D.
Molecular weight
Show solution
Solution
Alkynes are distinguished from alkenes by the presence of triple bonds.
Correct Answer:
B
— Presence of triple bonds
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Q. What is the main flaw in the argument presented in the passage?
A.
It relies too heavily on anecdotal evidence.
B.
It fails to consider counterarguments.
C.
It is based on outdated information.
D.
It lacks a clear conclusion.
Show solution
Solution
The main flaw in the argument is that it fails to consider counterarguments, which weakens the overall validity of the claims made.
Correct Answer:
B
— It fails to consider counterarguments.
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Q. What is the main focus of the 'Atmanirbhar Bharat' initiative launched by the Indian government?
A.
Self-reliance in manufacturing
B.
Boosting exports
C.
Increasing foreign investments
D.
Enhancing tourism
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Solution
'Atmanirbhar Bharat' focuses on self-reliance in manufacturing and reducing dependency on imports.
Correct Answer:
A
— Self-reliance in manufacturing
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Q. What is the main focus of the 'National Digital Health Mission' launched by the Indian government in 2020?
A.
Universal health coverage
B.
Digital health records
C.
Telemedicine services
D.
Health insurance for all
Show solution
Solution
The 'National Digital Health Mission' focuses on creating digital health records for citizens.
Correct Answer:
B
— Digital health records
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Q. What is the main focus of the 'Skill India' initiative launched by the Government of India?
A.
To promote entrepreneurship
B.
To enhance skill development and vocational training
C.
To increase foreign employment
D.
To improve digital literacy
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Solution
'Skill India' focuses on enhancing skill development and vocational training to empower the youth.
Correct Answer:
B
— To enhance skill development and vocational training
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Q. What is the main focus of the 'Skill India' initiative launched by the Indian government?
A.
To promote entrepreneurship
B.
To enhance vocational training
C.
To provide scholarships for higher education
D.
To support small businesses
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Solution
'Skill India' focuses on enhancing vocational training and skill development among the youth.
Correct Answer:
B
— To enhance vocational training
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Q. What is the main focus of the Beti Bachao Beti Padhao scheme?
A.
To promote women's entrepreneurship
B.
To improve the sex ratio and promote education for girls
C.
To provide financial aid for women's health
D.
To enhance women's political participation
Show solution
Solution
The Beti Bachao Beti Padhao scheme focuses on improving the child sex ratio and promoting education for girls.
Correct Answer:
B
— To improve the sex ratio and promote education for girls
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