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. Which of the following sentences would best fit in the blank of the passage?

A. This phenomenon is often overlooked.
B. Many people are unaware of its implications.
C. It has been widely studied in recent years.
D. The results are often inconclusive.

Solution

The context suggests that many people are unaware of the implications of the phenomenon, making option B the best fit.

Correct Answer: B — Many people are unaware of its implications.

Q. Which of the following sentences would best fit in the blank space in the paragraph?

A. This shift has profound implications for future generations.
B. Many people remain unaware of these changes.
C. The consequences are often overlooked by policymakers.
D. Such trends are indicative of a larger societal issue.

Solution

The sentence 'This shift has profound implications for future generations.' logically follows the context of discussing significant changes, making option A the best fit.

Correct Answer: A — This shift has profound implications for future generations.

Q. Which of the following sentences would best fit in the blank space in the passage?

A. The CAT exam is known for its unpredictability.
B. Many students underestimate the verbal section.
C. Preparation strategies vary among candidates.
D. Success in CAT requires a balanced approach.

Solution

The context suggests that unpredictability is a significant aspect of the CAT exam, making this option the best fit.

Correct Answer: B — Many students underestimate the verbal section.

Q. Which of the following sentences would best fit in the blank space in the passage to enhance its argument? (2023)

A. This is a complex issue that requires multifaceted solutions.
B. Many people are unaware of the severity of the situation.
C. The solutions proposed are often too costly for developing nations.
D. Public awareness campaigns have proven ineffective.

Solution

The sentence emphasizes the complexity of climate change and the need for diverse approaches, aligning with the passage's argument.

Correct Answer: A — This is a complex issue that requires multifaceted solutions.

Q. Which of the following sentences would best serve as a concluding statement for the paragraph? (2023)

A. Thus, the implications of these findings are profound.
B. In conclusion, the study was inconclusive.
C. Therefore, further research is unnecessary.
D. Consequently, the results were not surprising.

Solution

The first option summarizes the significance of the findings, making it a strong concluding statement.

Correct Answer: A — Thus, the implications of these findings are profound.

Q. Which of the following sentences would best serve as a conclusion to the paragraph? (2023)

A. Thus, the implications of these findings are profound.
B. In conclusion, the study was inconclusive.
C. Therefore, further research is unnecessary.
D. As a result, the data was flawed.

Solution

The first option summarizes the significance of the findings, making it a suitable conclusion.

Correct Answer: A — Thus, the implications of these findings are profound.

Q. Which of the following sequences cannot be a harmonic progression?

A. 1, 1/2, 1/3
B. 2, 4, 8
C. 3, 1, 1/3
D. 5, 10, 15

Solution

The sequence 2, 4, 8 does not have reciprocals that form an arithmetic progression, hence it cannot be a harmonic progression.

Correct Answer: B — 2, 4, 8

Q. Which of the following sequences is a geometric progression?

A. 1, 2, 4, 8
B. 1, 3, 6, 10
C. 2, 4, 8, 16
D. 1, 1, 1, 1

Solution

The sequence 2, 4, 8, 16 has a constant ratio of 2, making it a geometric progression.

Correct Answer: C — 2, 4, 8, 16

Q. Which of the following sequences is a harmonic progression?

A. 1, 2, 3
B. 1, 1/2, 1/3
C. 2, 4, 6
D. 3, 6, 9

Solution

The sequence 1, 1/2, 1/3 has reciprocals 1, 2, 3 which are in arithmetic progression, thus it is a harmonic progression.

Correct Answer: B — 1, 1/2, 1/3

Q. Which of the following sequences is an arithmetic progression?

A. 2, 4, 8, 16
B. 1, 3, 5, 7
C. 5, 10, 15, 25
D. 3, 6, 9, 12

Solution

An arithmetic progression has a constant difference between consecutive terms. The sequence 1, 3, 5, 7 has a common difference of 2.

Correct Answer: B — 1, 3, 5, 7

Q. Which of the following sets is a power set of F = {1, 2}?

A. {{1}, {2}}
B. {{}, {1}, {2}, {1, 2}}
C. {{1, 2}}
D. {{1, 2}, {1}}

Solution

The power set of F = {1, 2} is {{}, {1}, {2}, {1, 2}}.

Correct Answer: B — {{}, {1}, {2}, {1, 2}}

Q. Which of the following sets is a power set of F = {a, b}?

A. {∅, {a}, {b}}
B. {∅, {a}, {b}, {a, b}}
C. {a, b}
D. {a, b, ∅}

Solution

The power set of F = {a, b} is {∅, {a}, {b}, {a, b}}.

Correct Answer: B — {∅, {a}, {b}, {a, b}}

Q. Which of the following sets is a universal set for the sets A = {1, 2} and B = {2, 3}?

A. {1, 2, 3}
B. {2, 3, 4}
C. {1, 2, 4}
D. {1, 3}

Solution

A universal set contains all elements under consideration. Here, {1, 2, 3} contains all elements from both A and B.

Correct Answer: A — {1, 2, 3}

Q. Which of the following sets is equal to the power set of G = {x, y}?

A. {∅, {x}, {y}, {x, y}}
B. {x, y}
C. {∅, {x, y}}
D. {x, y, ∅}

Solution

The power set of a set with n elements has 2^n subsets. For G, n=2, so the power set is {∅, {x}, {y}, {x, y}}.

Correct Answer: A — {∅, {x}, {y}, {x, y}}

Q. Which of the following sets is equal to the set of all subsets of {1, 2}?

A. {{1}, {2}}
B. {{}, {1}, {2}, {1, 2}}
C. {{1, 2}}
D. {{1, 2}, {1}, {2}}

Solution

The power set of {1, 2} is {{}, {1}, {2}, {1, 2}}.

Correct Answer: B — {{}, {1}, {2}, {1, 2}}

Q. Which of the following sets is not a subset of {1, 2, 3, 4}?

A. {1, 2}
B. {2, 3, 4}
C. {5}
D. {1, 2, 3}

Solution

A subset can only contain elements from the original set. {5} is not a subset of {1, 2, 3, 4}.

Correct Answer: C — {5}

Q. Which of the following sets is not a subset of {x | x is a natural number}?

A. {1, 2}
B. {0}
C. {3, 4}
D. {5, 6}

Solution

The set {0} is not a subset of the natural numbers, as natural numbers start from 1.

Correct Answer: B — {0}

Q. Which of the following sets of quantum numbers corresponds to a 3p electron?

A. n=3, l=0, m_l=0
B. n=3, l=1, m_l=1
C. n=2, l=1, m_l=0
D. n=3, l=2, m_l=0

Solution

For a 3p electron, n=3 and l=1. The magnetic quantum number m_l can be -1, 0, or +1.

Correct Answer: B — n=3, l=1, m_l=1

Q. Which of the following sets of quantum numbers corresponds to an electron in a 4d orbital?

A. n=4, l=0, m_l=0
B. n=4, l=2, m_l=1
C. n=3, l=2, m_l=2
D. n=4, l=1, m_l=0

Solution

For a 4d orbital, n=4 and l=2. The m_l value can be -2, -1, 0, +1, +2.

Correct Answer: B — n=4, l=2, m_l=1

Q. Which of the following sets of quantum numbers is not allowed?

A. n=2, l=1, m_l=0
B. n=3, l=2, m_l=2
C. n=1, l=0, m_l=1
D. n=4, l=3, m_l=-3

Solution

For l=0, m_l can only be 0. Therefore, n=1, l=0, m_l=1 is not allowed.

Correct Answer: C — n=1, l=0, m_l=1

Q. Which of the following sets of quantum numbers is not possible?

A. n=3, l=2, m_l=1
B. n=2, l=1, m_l=2
C. n=4, l=3, m_l=0
D. n=1, l=0, m_l=0

Solution

For l=1, m_l can only be -1, 0, or +1. Therefore, m_l=2 is not possible.

Correct Answer: B — n=2, l=1, m_l=2

Q. Which of the following shapes can be formed by folding the paper?

A. Shape 1
B. Shape 2
C. Shape 3
D. Shape 4

Solution

Shape 1 can be formed by folding the paper along the specified lines.

Correct Answer: A — Shape 1

Q. Which of the following shapes completes the pattern? (2022)

A. Shape 1
B. Shape 2
C. Shape 3
D. Shape 4

Solution

Shape 4 completes the pattern as it follows the established sequence.

Correct Answer: D — Shape 4

Q. Which of the following shapes does not belong to the group: Circle, Square, Triangle, Rectangle? (2022)

A. Circle
B. Square
C. Triangle
D. Rectangle

Solution

All except Circle have straight edges.

Correct Answer: A — Circle

Q. Which of the following shapes has the largest moment of inertia for the same mass and radius?

A. Solid sphere
B. Hollow sphere
C. Solid cylinder
D. Hollow cylinder

Solution

The hollow sphere has the largest moment of inertia compared to the other shapes for the same mass and radius.

Correct Answer: B — Hollow sphere

Q. Which of the following shapes is a polygon? (2023)

A. Circle
B. Triangle
C. Ellipse
D. Curve

Solution

A triangle is a polygon as it is a closed figure with straight sides.

Correct Answer: B — Triangle

Q. Which of the following shapes is not a polygon?

A. Pentagon
B. Hexagon
C. Circle
D. Octagon

Solution

A Circle is not a polygon as it does not have straight edges.

Correct Answer: C — Circle

Q. Which of the following social changes was a direct result of the French Revolution?

A. Reinforcement of monarchies across Europe.
B. Establishment of a classless society.
C. Promotion of the idea of citizenship and individual rights.
D. Return to feudal systems.

Solution

The French Revolution introduced the concepts of citizenship and individual rights, challenging the traditional hierarchies and monarchies of the time.

Correct Answer: C — Promotion of the idea of citizenship and individual rights.

Q. Which of the following social reformers is associated with the establishment of the 'Arya Samaj' that aimed at social reform and justice?

A. Raja Ram Mohan Roy
B. Swami Vivekananda
C. Dayananda Saraswati
D. Gopal Krishna Gokhale

Solution

Dayananda Saraswati founded the Arya Samaj in 1875, which aimed at social reform, including the promotion of education and the eradication of caste discrimination.

Correct Answer: C — Dayananda Saraswati

Q. Which of the following solids has a high degree of anisotropy? (2019)

A. Ionic solids
B. Covalent solids
C. Metallic solids
D. Molecular solids

Solution

Covalent solids exhibit a high degree of anisotropy due to their directional bonding.

Correct Answer: B — Covalent solids

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