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 is NOT a use of a potentiometer?

A. Measuring emf of a cell.
B. Comparing emf of two cells.
C. Measuring resistance directly.
D. Calibrating voltmeters.

Solution

A potentiometer is not used for direct resistance measurement; it is primarily used for voltage measurements.

Correct Answer: C — Measuring resistance directly.

Q. Which of the following is NOT a use of microbes in agriculture? (2023)

A. Nitrogen fixation
B. Biopesticides
C. Soil fertility enhancement
D. Water pollution

Solution

Water pollution is not a use of microbes; rather, microbes can help improve soil fertility and act as biopesticides.

Correct Answer: D — Water pollution

Q. Which of the following is NOT a use of microbes in human welfare? (2023)

A. Bioremediation
B. Food production
C. Genetic engineering
D. Causing infections

Solution

Causing infections is not a beneficial use of microbes; it is a harmful effect.

Correct Answer: D — Causing infections

Q. Which of the following is NOT a valid application of the Binomial Theorem?

A. Finding the expansion of (x + y)^n.
B. Calculating the sum of a geometric series.
C. Determining coefficients in polynomial expansions.
D. Solving combinatorial problems.

Solution

The Binomial Theorem is specifically for polynomial expansions and does not apply to geometric series.

Correct Answer: B — Calculating the sum of a geometric series.

Q. Which of the following is NOT a valid data type in Excel? (2023)

A. Text
B. Number
C. Date
D. Image

Solution

Image is not a valid data type in Excel; valid types include Text, Number, and Date.

Correct Answer: D — Image

Q. Which of the following is NOT a valid email address format?

A. user@example.com
B. user.name@example.com
C. user@.com
D. user_name@example.com

Solution

user@.com is not a valid email address format.

Correct Answer: C — user@.com

Q. Which of the following is NOT a valid email format?

A. user@example.com
B. user.name@example.com
C. user@.com
D. user_name@example.com

Solution

user@.com is not a valid email format.

Correct Answer: C — user@.com

Q. Which of the following is NOT a valid file format for saving an Excel workbook?

A. .xlsx
B. .xls
C. .docx
D. .xlsm

Solution

The file format .docx is not valid for saving an Excel workbook; it is used for Word documents.

Correct Answer: C — .docx

Q. Which of the following is NOT a valid number in base-3?

A. 10
B. 21
C. 22
D. 30

Solution

In base-3, only digits 0, 1, and 2 are valid. '30' is invalid.

Correct Answer: D — 30

Q. Which of the following is NOT a valid numeral in base 4?

A. 10
B. 12
C. 20
D. 24

Solution

In base 4, the digits can only be 0, 1, 2, or 3. '24' is invalid.

Correct Answer: D — 24

Q. Which of the following is NOT a valid numeral in the octal system? (2023)

A. 7
B. 8
C. 5
D. 3

Solution

The octal system only uses digits 0-7, so 8 is not a valid numeral.

Correct Answer: B — 8

Q. Which of the following is NOT a valid representation in base 3?

A. 210
B. 201
C. 222
D. 230

Solution

In base 3, only digits 0, 1, and 2 are valid. '230' contains '3', which is invalid.

Correct Answer: D — 230

Q. Which of the following is NOT a valid representation of the decimal number 10 in any base?

A. 1010
B. A
C. 12
D. 22

Solution

'22' cannot represent 10 in any base since it would require base 3 or higher.

Correct Answer: D — 22

Q. Which of the following is NOT a view option in PowerPoint? (2023)

A. Normal
B. Slide Sorter
C. Reading
D. Outline

Solution

Reading is not a standard view option in PowerPoint; the correct options are Normal, Slide Sorter, and Outline.

Correct Answer: C — Reading

Q. Which of the following is NOT a web browser?

A. Chrome
B. Firefox
C. Outlook
D. Safari

Solution

Outlook is an email client, not a web browser.

Correct Answer: C — Outlook

Q. Which of the following is not an alkali metal?

A. Lithium
B. Sodium
C. Calcium
D. Potassium

Solution

Calcium is not an alkali metal; it is an alkaline earth metal.

Correct Answer: C — Calcium

Q. Which of the following is not an alkaline earth metal? (2020)

A. Barium
B. Strontium
C. Calcium
D. Aluminum

Solution

Aluminum (Al) is not an alkaline earth metal; it is a post-transition metal.

Correct Answer: D — Aluminum

Q. Which of the following is NOT an aromatic compound?

A. Naphthalene
B. Benzene
C. Cyclooctatetraene
D. Anthracene

Solution

Cyclooctatetraene is not aromatic because it does not satisfy Huckel's rule; it is non-planar and does not have a continuous overlap of p-orbitals.

Correct Answer: C — Cyclooctatetraene

Q. Which of the following is not an assumption of the kinetic molecular theory?

A. Gas particles are in constant motion
B. Gas particles have no volume
C. Gas particles attract each other
D. Collisions between gas particles are elastic

Solution

The kinetic molecular theory assumes that gas particles do not attract or repel each other.

Correct Answer: C — Gas particles attract each other

Q. Which of the following is NOT an email client? (2019)

A. Outlook
B. Thunderbird
C. Gmail
D. Google Chrome

Solution

Google Chrome is a web browser, not an email client. Outlook, Thunderbird, and Gmail are all email clients.

Correct Answer: D — Google Chrome

Q. Which of the following is not an operating system? (2021)

A. Windows
B. Linux
C. Android
D. HTML

Solution

HTML is not an operating system; it is a markup language used for creating web pages.

Correct Answer: D — HTML

Q. Which of the following is not an s-block element?

A. Calcium
B. Barium
C. Magnesium
D. Aluminum

Solution

Aluminum is not an s-block element; it is a p-block element.

Correct Answer: D — Aluminum

Q. Which of the following is not continuous at x = 0?

A. f(x) = x^3
B. f(x) = e^x
C. f(x) = 1/x
D. f(x) = ln(x)

Solution

f(x) = 1/x is not continuous at x = 0 as it is undefined there.

Correct Answer: C — f(x) = 1/x

Q. Which of the following is not found in prokaryotic cells? (2022)

A. Ribosomes
B. Nucleus
C. Plasma Membrane
D. Cytoplasm

Solution

Prokaryotic cells do not have a nucleus; their genetic material is not enclosed within a membrane.

Correct Answer: B — Nucleus

Q. Which of the following is NOT mentioned as a benefit of technology in education?

A. Increased engagement
B. Personalized learning experiences
C. Higher costs for schools
D. Access to a wider range of resources

Solution

Higher costs for schools is not mentioned as a benefit; rather, the passage focuses on positive aspects of technology.

Correct Answer: C — Higher costs for schools

Q. Which of the following is NOT mentioned as a benefit of the discovery?

A. Reduction in costs
B. Environmental sustainability
C. Increased efficiency
D. Wider accessibility

Solution

The passage does not mention wider accessibility as a benefit, focusing instead on the other three aspects.

Correct Answer: D — Wider accessibility

Q. Which of the following is NOT mentioned as a benefit of the discussed concept?

A. Increased efficiency
B. Enhanced creativity
C. Greater accessibility
D. Higher costs

Solution

Higher costs are not mentioned as a benefit; instead, the passage focuses on positive aspects like efficiency and accessibility.

Correct Answer: D — Higher costs

Q. Which of the following is NOT mentioned as a benefit of the new approach?

A. Increased efficiency
B. Cost-effectiveness
C. Wider acceptance
D. Enhanced collaboration

Solution

Wider acceptance is not mentioned as a benefit of the new approach in the passage.

Correct Answer: C — Wider acceptance

Q. Which of the following is NOT mentioned as a benefit of the new technology?

A. Increased efficiency
B. Cost reduction
C. Job creation
D. Environmental sustainability

Solution

Job creation is not mentioned as a benefit of the new technology in the passage.

Correct Answer: C — Job creation

Q. Which of the following is NOT mentioned as a benefit of the research?

A. Improved public health outcomes
B. Increased funding for future studies
C. Enhanced understanding of disease mechanisms
D. Development of new treatment protocols

Solution

The passage does not mention increased funding as a benefit, focusing instead on health outcomes and understanding.

Correct Answer: B — Increased funding for future studies

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