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 alkaline earth metal is least reactive?

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

Solution

Beryllium (Be) is the least reactive alkaline earth metal.

Correct Answer: A — Beryllium

Q. Which alkaline earth metal is most reactive?

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

Solution

Barium is the most reactive alkaline earth metal due to its larger atomic size and lower ionization energy.

Correct Answer: D — Barium

Q. Which alkaline earth metal is the least reactive?

A. Beryllium
B. Magnesium
C. Calcium
D. Strontium

Solution

Beryllium is the least reactive alkaline earth metal due to its high ionization energy.

Correct Answer: A — Beryllium

Q. Which alkaline earth metal is used in fireworks for its bright flame? (2021)

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

Solution

Strontium (Sr) is used in fireworks to produce a bright red flame.

Correct Answer: C — Strontium

Q. Which alkaline earth metal is used in fireworks for producing a bright red flame? (2023)

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

Solution

Strontium compounds are used in fireworks to produce a bright red flame.

Correct Answer: A — Strontium

Q. Which alkaline earth metal is used in fireworks for producing a bright white light? (2023)

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

Solution

Strontium is used in fireworks to produce a bright red flame.

Correct Answer: C — Strontium

Q. Which alkaline earth metal is used in fireworks for producing a red color?

A. Beryllium
B. Magnesium
C. Calcium
D. Strontium

Solution

Strontium is used in fireworks to produce a red color.

Correct Answer: D — Strontium

Q. Which alkaline earth metal is used in fireworks for producing a red flame?

A. Beryllium
B. Magnesium
C. Calcium
D. Strontium

Solution

Strontium is used in fireworks to produce a red flame.

Correct Answer: D — Strontium

Q. Which alkaline earth metal is used in the production of fireworks?

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

Solution

Strontium is used in fireworks to produce red colors.

Correct Answer: B — Strontium

Q. Which alkane is used as a fuel in lighters?

A. Methane
B. Ethane
C. Butane
D. Propane

Solution

Butane is commonly used as a fuel in lighters.

Correct Answer: C — Butane

Q. Which alkane is used as a refrigerant?

A. Methane
B. Ethane
C. Propane
D. Butane

Solution

Propane is commonly used as a refrigerant due to its favorable thermodynamic properties.

Correct Answer: C — Propane

Q. Which amendment of the Constitution of India abolished the Privy Purses? (1978)

A. 42nd Amendment
B. 44th Amendment
C. 61st Amendment
D. 73rd Amendment

Solution

The 44th Amendment Act of 1978 abolished the Privy Purses that were granted to the former rulers of princely states.

Correct Answer: B — 44th Amendment

Q. Which amendment of the Constitution of India added the Fundamental Duties? (2019)

A. 42nd Amendment
B. 44th Amendment
C. 61st Amendment
D. 73rd Amendment

Solution

The 42nd Amendment, enacted in 1976, added the Fundamental Duties to the Constitution of India.

Correct Answer: A — 42nd Amendment

Q. Which amendment of the Indian Constitution abolished the Privy Purse? (2023)

A. 42nd Amendment
B. 44th Amendment
C. 26th Amendment
D. 61st Amendment

Solution

The 26th Amendment to the Indian Constitution, enacted in 1971, abolished the Privy Purse, which was a payment made to the former rulers of princely states.

Correct Answer: C — 26th Amendment

Q. Which amendment of the Indian Constitution granted the Right to Education? (2020)

A. 86th Amendment
B. 73rd Amendment
C. 42nd Amendment
D. 61st Amendment

Solution

The 86th Amendment to the Indian Constitution, enacted in 2002, made education a fundamental right for children aged 6 to 14.

Correct Answer: A — 86th Amendment

Q. Which amendment of the Indian Constitution granted the right to vote to all citizens above the age of 18? (1988)

A. 61st Amendment
B. 73rd Amendment
C. 86th Amendment
D. 42nd Amendment

Solution

The 61st Amendment to the Constitution of India, enacted in 1988, lowered the voting age from 21 to 18 years.

Correct Answer: A — 61st Amendment

Q. Which amendment of the Indian Constitution is known as the 'Mini Constitution'? (2023)

A. 42nd Amendment
B. 44th Amendment
C. 61st Amendment
D. 73rd Amendment

Solution

The 42nd Amendment is often referred to as the 'Mini Constitution' due to the extensive changes it made to the Constitution.

Correct Answer: A — 42nd Amendment

Q. Which amendment to the Constitution of India granted the right to vote to all citizens above the age of 18? (2013)

A. 61st Amendment
B. 73rd Amendment
C. 86th Amendment
D. 42nd Amendment

Solution

The 61st Amendment to the Constitution of India, enacted in 1988, lowered the voting age from 21 to 18 years.

Correct Answer: A — 61st Amendment

Q. Which amendment to the Indian Constitution granted the right to education as a fundamental right? (2002)

A. 86th Amendment
B. 73rd Amendment
C. 42nd Amendment
D. 61st Amendment

Solution

The 86th Amendment to the Indian Constitution, enacted in 2002, made the right to education a fundamental right under Article 21A.

Correct Answer: A — 86th Amendment

Q. Which amendment to the Indian Constitution granted the right to vote to all citizens above the age of 18? (1988)

A. 61st Amendment
B. 73rd Amendment
C. 86th Amendment
D. 42nd Amendment

Solution

The 61st Amendment to the Indian Constitution, enacted in 1988, lowered the voting age from 21 to 18 years.

Correct Answer: A — 61st Amendment

Q. Which amine is a strong base due to steric hindrance? (2022)

A. Methylamine
B. Ethylamine
C. Tert-butylamine
D. Aniline

Solution

Tert-butylamine is a strong base due to steric hindrance that prevents protonation, making it more stable.

Correct Answer: C — Tert-butylamine

Q. Which amine is derived from an aromatic compound? (2023)

A. Aniline
B. Ethylamine
C. Methylamine
D. Propylamine

Solution

Aniline is derived from an aromatic compound (benzene) and contains an amino group.

Correct Answer: A — Aniline

Q. Which amine is expected to have the highest boiling point?

A. Methylamine
B. Ethylamine
C. Dimethylamine
D. Trimethylamine

Solution

Ethylamine has the highest boiling point due to its ability to form stronger hydrogen bonds compared to the others.

Correct Answer: B — Ethylamine

Q. Which amine is known for its fishy odor?

A. Methylamine
B. Ethylamine
C. Trimethylamine
D. Aniline

Solution

Trimethylamine is known for its strong fishy odor, often associated with decaying fish.

Correct Answer: C — Trimethylamine

Q. Which amine is known for its strong fishy odor?

A. Methylamine
B. Ethylamine
C. Trimethylamine
D. Aniline

Solution

Trimethylamine is known for its strong fishy odor, often associated with decaying fish.

Correct Answer: C — Trimethylamine

Q. Which amine is most likely to undergo electrophilic aromatic substitution?

A. Aniline
B. Methylamine
C. Dimethylamine
D. Triethylamine

Solution

Aniline is most likely to undergo electrophilic aromatic substitution due to the presence of the amino group, which is a strong activating group.

Correct Answer: A — Aniline

Q. Which amine is most soluble in water?

A. Triethylamine
B. Methylamine
C. Aniline
D. Benzylamine

Solution

Methylamine is the most soluble in water due to its smaller size and ability to form hydrogen bonds.

Correct Answer: B — Methylamine

Q. Which amine is used as a local anesthetic?

A. Lidocaine
B. Aniline
C. Methylamine
D. Ethylamine

Solution

Lidocaine is an amine used as a local anesthetic.

Correct Answer: A — Lidocaine

Q. Which amine is used as a solvent in organic reactions?

A. Aniline
B. Triethylamine
C. Methylamine
D. Pyridine

Solution

Triethylamine is commonly used as a solvent in organic reactions.

Correct Answer: B — Triethylamine

Q. Which amine is used in the preparation of dyes?

A. Aniline
B. Methylamine
C. Dimethylamine
D. Ethylamine

Solution

Aniline is widely used in the preparation of dyes due to its reactivity.

Correct Answer: A — Aniline

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