Major Competitive Exams

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Major Competitive Exams

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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!

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Q. Differentiate f(x) = ln(x^2 + 1). (2022)

A. 2x/(x^2 + 1)
B. 1/(x^2 + 1)
C. 2x/(x^2 - 1)
D. x/(x^2 + 1)

Solution

Using the chain rule, f'(x) = 2x/(x^2 + 1).

Correct Answer: A — 2x/(x^2 + 1)

Q. Differentiate f(x) = x^2 * e^x. (2022)

A. x^2 * e^x + 2x * e^x
B. 2x * e^x + x^2 * e^x
C. x^2 * e^x + e^x
D. 2x * e^x

Solution

Using the product rule, f'(x) = x^2 * e^x + 2x * e^x.

Correct Answer: A — x^2 * e^x + 2x * e^x

Q. Differentiate f(x) = x^2 * ln(x).

A. 2x * ln(x) + x
B. x * ln(x) + 2x
C. 2x * ln(x)
D. x^2/x

Solution

Using the product rule, f'(x) = 2x * ln(x) + x.

Correct Answer: A — 2x * ln(x) + x

Q. Differentiate the function f(x) = ln(x^2 + 1).

A. 2x/(x^2 + 1)
B. 2/(x^2 + 1)
C. 1/(x^2 + 1)
D. x/(x^2 + 1)

Solution

Using the chain rule, f'(x) = (1/(x^2 + 1)) * (2x) = 2x/(x^2 + 1).

Correct Answer: A — 2x/(x^2 + 1)

Q. Differentiate the function f(x) = x^2 * e^x.

A. x^2 * e^x + 2x * e^x
B. 2x * e^x + x^2 * e^x
C. x^2 * e^x + e^x
D. 2x * e^x + e^x

Solution

Using the product rule, f'(x) = (x^2)' * e^x + x^2 * (e^x)' = 2x * e^x + x^2 * e^x.

Correct Answer: A — x^2 * e^x + 2x * e^x

Q. During a badminton tournament, if Player A wins against Player B and Player B wins against Player C, what can be concluded about Player A and Player C?

A. Player A is better than Player C.
B. Player C is better than Player A.
C. The outcome between Player A and Player C is uncertain.
D. Player A and Player C have never played against each other.

Solution

The transitive property does not apply in sports; thus, we cannot conclude the relationship between Player A and Player C.

Correct Answer: C — The outcome between Player A and Player C is uncertain.

Q. During a badminton tournament, if player A won against player B, and player B won against player C, which of the following can be inferred?

A. Player A is better than player C
B. Player C is better than player A
C. Player A and C are equally skilled
D. Player B is the weakest

Solution

If A beats B and B beats C, it can be inferred that A is better than C.

Correct Answer: A — Player A is better than player C

Q. During a badminton tournament, Player A won 3 matches, lost 2, and had 1 match that was a draw. What is Player A's win-loss record?

A. 3-2-1
B. 2-3-1
C. 1-3-2
D. 3-1-2

Solution

Player A's record is expressed as wins-losses-draws, which is 3-2-1.

Correct Answer: A — 3-2-1

Q. During a disaster, a response team needs to set up 15 shelters. If each shelter requires 3 tents, how many tents are needed in total?

A. 30
B. 35
C. 40
D. 45

Solution

Total tents needed = 15 shelters * 3 tents/shelter = 45 tents.

Correct Answer: D — 45

Q. During a disaster, a shelter can accommodate 150 people. If 1,200 people need shelter, how many shelters are required?

A. 6
B. 7
C. 8
D. 9

Solution

1,200 people / 150 people/shelter = 8 shelters required.

Correct Answer: C — 8

Q. During a folk music event, 8 musicians perform. If each musician plays 2 instruments, how many instruments are played in total?

A. 16
B. 14
C. 12
D. 10

Solution

8 musicians * 2 instruments = 16 instruments.

Correct Answer: A — 16

Q. During a global conference, 40% of the attendees were women. If there were 500 attendees, how many were men? (2023)

A. 200
B. 250
C. 300
D. 350

Solution

Number of women = 40% of 500 = 200. Number of men = 500 - 200 = 300.

Correct Answer: C — 300

Q. During a national celebration, 25% of the attendees are children. If there are 800 attendees, how many are adults? (2020)

A. 600
B. 200
C. 400
D. 300

Solution

Number of children = 25% of 800 = 0.25 * 800 = 200. Number of adults = 800 - 200 = 600.

Correct Answer: A — 600

Q. During a national event, 25% of the attendees are from outside the country. If there are 800 attendees, how many are from outside the country? (2021)

A. 200
B. 250
C. 300
D. 350

Solution

Number of attendees from outside = 25% of 800 = 0.25 * 800 = 200.

Correct Answer: A — 200

Q. During a national event, 25% of the attendees are from outside the country. If there are 1,200 attendees, how many are from outside the country?

A. 300
B. 250
C. 400
D. 350

Solution

Number of attendees from outside = 25% of 1,200 = 0.25 * 1,200 = 300.

Correct Answer: A — 300

Q. During a national event, 25% of the attendees are from rural areas. If there are 800 attendees, how many are from urban areas?

A. 600
B. 200
C. 400
D. 300

Solution

Number of attendees from urban areas = 800 * (1 - 0.25) = 800 * 0.75 = 600.

Correct Answer: A — 600

Q. During a national event, 25% of the attendees are students. If there are 1,600 attendees, how many are not students?

A. 1,200
B. 1,000
C. 1,400
D. 1,600

Solution

Number of non-students = 1,600 * (1 - 0.25) = 1,600 * 0.75 = 1,200.

Correct Answer: A — 1,200

Q. During a national event, 30% of the attendees are from abroad. If there are 1,000 attendees, how many are from abroad? (2021)

A. 300
B. 400
C. 500
D. 600

Solution

Number of attendees from abroad = 30% of 1,000 = 0.3 * 1,000 = 300.

Correct Answer: A — 300

Q. During a national event, if 70% of the attendees are adults and there are 350 attendees, how many are children?

A. 105
B. 245
C. 70
D. 140

Solution

Number of adults = 70% of 350 = 0.70 * 350 = 245. Number of children = 350 - 245 = 105.

Correct Answer: A — 105

Q. During a national event, if 70% of the attendees are adults and there are 500 attendees, how many are children? (2022)

A. 150
B. 200
C. 100
D. 250

Solution

Number of adults = 70% of 500 = 0.70 * 500 = 350. Number of children = 500 - 350 = 150.

Correct Answer: B — 200

Q. During a peacekeeping mission, 120 soldiers were deployed. If 25% of them were from country A, how many soldiers were from country A?

A. 20
B. 25
C. 30
D. 35

Solution

Number of soldiers from country A = 25% of 120 = 0.25 * 120 = 30.

Correct Answer: C — 30

Q. During a phase change, the temperature of a substance:

A. Increases
B. Decreases
C. Remains constant
D. Varies unpredictably

Solution

During a phase change, the temperature of a substance remains constant while the substance absorbs or releases heat.

Correct Answer: C — Remains constant

Q. During a team meeting, one member dominates the conversation. What should you do?

A. Let them continue
B. Interrupt them
C. Encourage others to share their opinions
D. Leave the meeting

Solution

Encouraging others to share their opinions helps create a more balanced discussion and values all team members.

Correct Answer: C — Encourage others to share their opinions

Q. During a tournament, if a player has a win-loss record of 8-2, what is the player's winning percentage? (2023)

A. 80%
B. 75%
C. 70%
D. 85%

Solution

Winning percentage = (number of wins / total matches) * 100 = (8 / (8+2)) * 100 = 80%.

Correct Answer: A — 80%

Q. During an isochoric process, the volume of the gas:

A. Increases
B. Decreases
C. Remains constant
D. Varies with temperature

Solution

In an isochoric process, the volume of the gas remains constant.

Correct Answer: C — Remains constant

Q. During an isochoric process, the volume of the system:

A. Increases
B. Decreases
C. Remains constant
D. Varies with temperature

Solution

In an isochoric process, the volume of the system remains constant.

Correct Answer: C — Remains constant

Q. During an isothermal expansion of an ideal gas, what happens to the internal energy?

A. Increases
B. Decreases
C. Remains constant
D. Depends on the amount of gas

Solution

In an isothermal process for an ideal gas, the internal energy remains constant because the temperature does not change.

Correct Answer: C — Remains constant

Q. During inhalation, the pressure in the thoracic cavity: (2022)

A. Increases
B. Decreases
C. Remains constant
D. Fluctuates

Solution

During inhalation, the diaphragm contracts, increasing the volume of the thoracic cavity and decreasing the pressure, allowing air to flow in.

Correct Answer: B — Decreases

Q. During which period did the concept of 'disaster response' begin to take a more organized form in Europe, particularly in response to natural calamities?

A. Middle Ages
B. Renaissance
C. Industrial Revolution
D. Post-World War II

Solution

The Industrial Revolution brought about significant changes in urbanization and infrastructure, leading to more organized disaster response mechanisms.

Correct Answer: C — Industrial Revolution

Q. During which phase of mitosis do the chromosomes align at the cell's equatorial plane? (2021)

A. Prophase
B. Metaphase
C. Anaphase
D. Telophase

Solution

During metaphase, chromosomes align at the metaphase plate, preparing for separation.

Correct Answer: B — Metaphase

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