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 colligative property can be used to determine the molar mass of a solute?
A.
Vapor pressure lowering
B.
Boiling point elevation
C.
Freezing point depression
D.
All of the above
Show solution
Solution
All of these colligative properties can be used to determine the molar mass of a solute.
Correct Answer:
D
— All of the above
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Q. Which colligative property is affected by the presence of electrolytes?
A.
Vapor pressure lowering
B.
Boiling point elevation
C.
Freezing point depression
D.
All of the above
Show solution
Solution
Electrolytes dissociate into ions, affecting all colligative properties by increasing the number of solute particles.
Correct Answer:
D
— All of the above
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Q. Which colligative property is used to determine molar mass of a solute?
A.
Boiling point elevation
B.
Freezing point depression
C.
Osmotic pressure
D.
All of the above
Show solution
Solution
All of these colligative properties can be used to determine the molar mass of a solute by applying the appropriate formulas.
Correct Answer:
D
— All of the above
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Q. Which colligative property is used to determine the molar mass of a solute?
A.
Boiling point elevation
B.
Freezing point depression
C.
Osmotic pressure
D.
All of the above
Show solution
Solution
All of the listed colligative properties can be used to determine the molar mass of a solute.
Correct Answer:
D
— All of the above
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Q. Which component is responsible for converting digital signals to analog signals? (2022)
A.
Modem
B.
Router
C.
Switch
D.
Hub
Show solution
Solution
A modem (modulator-demodulator) converts digital signals from a computer into analog signals for transmission over telephone lines.
Correct Answer:
A
— Modem
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Q. Which component is responsible for rendering graphics in a computer?
A.
CPU
B.
GPU
C.
RAM
D.
Motherboard
Show solution
Solution
The GPU (Graphics Processing Unit) is responsible for rendering graphics and images in a computer.
Correct Answer:
B
— GPU
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Q. Which component of blood is primarily responsible for the immune response? (2020)
A.
Plasma
B.
Red blood cells
C.
White blood cells
D.
Platelets
Show solution
Solution
White blood cells, or leukocytes, are the key players in the immune response, helping to defend the body against infections.
Correct Answer:
C
— White blood cells
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Q. Which component of blood is responsible for the immune response? (2020)
A.
Plasma
B.
Red blood cells
C.
White blood cells
D.
Platelets
Show solution
Solution
White blood cells (leukocytes) are responsible for the immune response, helping to fight infections and foreign substances.
Correct Answer:
C
— White blood cells
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Q. Which component of the nervous system is responsible for voluntary movements? (2019)
A.
Autonomic nervous system
B.
Central nervous system
C.
Peripheral nervous system
D.
Somatic nervous system
Show solution
Solution
The somatic nervous system controls voluntary movements, making option 3 the correct answer.
Correct Answer:
D
— Somatic nervous system
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Q. Which compound can exhibit both structural and geometric isomerism?
A.
C2H4
B.
C4H8
C.
C5H10
D.
C3H6
Show solution
Solution
C4H8 can exhibit both structural isomerism (different structures) and geometric isomerism (cis/trans forms).
Correct Answer:
B
— C4H8
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Q. Which compound does NOT exhibit optical isomerism?
A.
Lactic acid
B.
Glucose
C.
2-butanol
D.
Butan-2-one
Show solution
Solution
Butan-2-one does not have a chiral center and therefore does not exhibit optical isomerism.
Correct Answer:
D
— Butan-2-one
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Q. Which compound exhibits optical isomerism?
A.
2-butanol
B.
1-butanol
C.
Cyclohexane
D.
Ethylene
Show solution
Solution
2-butanol has a chiral center and can exist as two enantiomers, thus exhibiting optical isomerism.
Correct Answer:
A
— 2-butanol
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Q. Which compound is a carboxylic acid? (2023)
A.
CH3COOH
B.
C2H5OH
C.
C3H6
D.
C4H10
Show solution
Solution
CH3COOH (acetic acid) is a carboxylic acid, containing the -COOH functional group.
Correct Answer:
A
— CH3COOH
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Q. Which compound is a ketone? (2023)
A.
Ethanol
B.
Acetone
C.
Formaldehyde
D.
Acetic acid
Show solution
Solution
Acetone is a ketone, which contains a carbonyl group (C=O) bonded to two carbon atoms.
Correct Answer:
B
— Acetone
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Q. Which compound is a saturated hydrocarbon? (2023)
A.
Ethylene
B.
Propylene
C.
Hexane
D.
Benzene
Show solution
Solution
Hexane is a saturated hydrocarbon, containing only single bonds between carbon atoms.
Correct Answer:
C
— Hexane
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Q. Which compound is a saturated hydrocarbon? (2023) 2023
A.
Ethylene
B.
Propane
C.
Benzene
D.
Butyne
Show solution
Solution
Propane is a saturated hydrocarbon, containing only single bonds between carbon atoms.
Correct Answer:
B
— Propane
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Q. Which compound is commonly used as a preservative in food?
A.
Sodium chloride
B.
Sodium benzoate
C.
Potassium nitrate
D.
Calcium carbonate
Show solution
Solution
Sodium benzoate is widely used as a food preservative to prevent spoilage.
Correct Answer:
B
— Sodium benzoate
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Q. Which compound is primarily responsible for the sour taste of vinegar? (2019)
A.
Acetic acid
B.
Citric acid
C.
Lactic acid
D.
Formic acid
Show solution
Solution
Acetic acid is the main component of vinegar, giving it its characteristic sour taste.
Correct Answer:
A
— Acetic acid
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Q. Which conclusion can be drawn about the trends in the mixed graph regarding variable K? (2023)
A.
K shows a linear trend.
B.
K's trend is exponential.
C.
K is erratic and unpredictable.
D.
K has a cyclical pattern.
Show solution
Solution
The graph illustrates that variable K exhibits erratic behavior, making its trend unpredictable.
Correct Answer:
C
— K is erratic and unpredictable.
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Q. Which conjunction would best complete the sentence: 'You can have tea, _____ you can have coffee.' (2022)
A.
but
B.
and
C.
nor
D.
for
Show solution
Solution
'And' is used to connect two alternatives in a positive way.
Correct Answer:
B
— and
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Q. Which connective tissue is responsible for the transport of nutrients and gases? (2021)
A.
Adipose tissue
B.
Blood
C.
Bone
D.
Cartilage
Show solution
Solution
Blood is a connective tissue that is responsible for the transport of nutrients, gases, and waste products throughout the body.
Correct Answer:
B
— Blood
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Q. Which connective tissue stores fat in the body? (2022)
A.
Adipose Tissue
B.
Cartilage
C.
Bone
D.
Blood
Show solution
Solution
Adipose tissue stores fat in the body.
Correct Answer:
A
— Adipose Tissue
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Q. Which connective tissue type is responsible for the transport of nutrients and gases? (2021)
A.
Adipose tissue
B.
Blood
C.
Cartilage
D.
Bone
Show solution
Solution
Blood is a connective tissue that transports nutrients, gases, and waste products throughout the body.
Correct Answer:
B
— Blood
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Q. Which constitutional amendment granted the right to education as a fundamental right in India?
A.
86th Amendment
B.
73rd Amendment
C.
42nd Amendment
D.
61st Amendment
Show solution
Solution
The 86th Amendment, enacted in 2002, made the right to education a fundamental right for children aged 6 to 14.
Correct Answer:
A
— 86th Amendment
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Q. Which continent is known as the 'Dark Continent'? (2019)
A.
Asia
B.
Africa
C.
Australia
D.
South America
Show solution
Solution
Africa is often referred to as the 'Dark Continent'.
Correct Answer:
B
— Africa
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Q. Which continent is known for having the most countries?
A.
Asia
B.
Africa
C.
Europe
D.
North America
Show solution
Solution
Africa has the most countries of any continent, with 54 recognized sovereign nations.
Correct Answer:
B
— Africa
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Q. Which contraceptive method is considered permanent? (2022)
A.
Condoms
B.
IUDs
C.
Tubal ligation
D.
Birth control pills
Show solution
Solution
Tubal ligation is a surgical procedure that permanently prevents pregnancy by blocking the fallopian tubes.
Correct Answer:
C
— Tubal ligation
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Q. Which country announced a 'Climate Emergency' in 2021, becoming the first to do so?
A.
New Zealand
B.
United Kingdom
C.
Canada
D.
Australia
Show solution
Solution
New Zealand announced a 'Climate Emergency' in 2021, becoming the first country to do so.
Correct Answer:
A
— New Zealand
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Q. Which country announced a 'National Hydrogen Strategy' in 2020 to become a global leader in hydrogen technology?
A.
Japan
B.
Germany
C.
Australia
D.
Canada
Show solution
Solution
Germany announced a 'National Hydrogen Strategy' in 2020 to lead in hydrogen technology.
Correct Answer:
B
— Germany
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Q. Which country announced a historic peace agreement with Israel in 2020, known as the Abraham Accords?
A.
UAE
B.
Saudi Arabia
C.
Bahrain
D.
Oman
Show solution
Solution
The United Arab Emirates (UAE) announced a historic peace agreement with Israel in 2020, known as the Abraham Accords.
Correct Answer:
A
— UAE
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