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. What is the term for the upward force exerted by a fluid on an object submerged in it?

A. Buoyancy
B. Weight
C. Pressure
D. Density

Solution

The upward force exerted by a fluid on a submerged object is known as buoyancy.

Correct Answer: A — Buoyancy

Q. What is the term for the upward force experienced by an object submerged in a fluid?

A. Buoyancy
B. Weight
C. Pressure
D. Density

Solution

The upward force experienced by an object submerged in a fluid is known as buoyancy.

Correct Answer: A — Buoyancy

Q. What is the term for the use of humor, irony, or exaggeration to criticize or mock?

A. Satire
B. Parody
C. Irony
D. Hyperbole

Solution

Satire is a literary technique that uses humor, irony, or exaggeration to criticize or mock.

Correct Answer: A — Satire

Q. What is the term for the variety of life in the world or in a particular habitat or ecosystem? (2020)

A. Biodiversity
B. Ecology
C. Biogeography
D. Conservation

Solution

Biodiversity refers to the variety of life in the world or in a particular habitat or ecosystem, encompassing species diversity, genetic diversity, and ecosystem diversity.

Correct Answer: A — Biodiversity

Q. What is the term for the variety of life in the world or in a particular habitat? (2021)

A. Ecosystem
B. Biodiversity
C. Habitat
D. Population

Solution

Biodiversity refers to the variety of life in the world or in a particular habitat, including the variety of species, genetic diversity, and ecosystem diversity.

Correct Answer: B — Biodiversity

Q. What is the term for the volume of air that can be forcibly exhaled after a normal exhalation? (2023)

A. Tidal volume
B. Vital capacity
C. Expiratory reserve volume
D. Inspiratory reserve volume

Solution

Expiratory reserve volume is the amount of air that can be forcibly exhaled after the end of a normal exhalation.

Correct Answer: C — Expiratory reserve volume

Q. What is the term independent of x in the expansion of (2x - 3)^8?

A. -256
B. 256
C. -512
D. 512

Solution

The term independent of x is given by C(8,4) * (2x)^4 * (-3)^4 = 70 * 16 * 81 = -256.

Correct Answer: A — -256

Q. What is the term independent of x in the expansion of (3x - 2)^6?

A. 20
B. 30
C. 40
D. 50

Solution

The term independent of x occurs when k = 3. Using the binomial theorem, the term is C(6,3) * (3x)^3 * (-2)^(6-3) = 20 * 27 * -8 = -4320.

Correct Answer: C — 40

Q. What is the term independent of x in the expansion of (3x - 4)^7?

A. -4
B. 21
C. 84
D. 128

Solution

The term independent of x occurs when k = 7, C(7, 3) * (3)^3 * (-4)^4 = 35 * 27 * 256 = 84.

Correct Answer: C — 84

Q. What is the term of a member of the Legislative Assembly (Vidhan Sabha)?

A. 3 years
B. 4 years
C. 5 years
D. 6 years

Solution

The term of a member of the Legislative Assembly (Vidhan Sabha) is 5 years.

Correct Answer: C — 5 years

Q. What is the term of office for a member of the Legislative Assembly (Vidhan Sabha) in India?

A. 3 years
B. 4 years
C. 5 years
D. 6 years

Solution

The term of office for a member of the Legislative Assembly (Vidhan Sabha) is 5 years.

Correct Answer: C — 5 years

Q. What is the term of office for a member of the State Legislative Assembly?

A. 3 years
B. 4 years
C. 5 years
D. 6 years

Solution

The term of office for a member of the State Legislative Assembly is 5 years.

Correct Answer: C — 5 years

Q. What is the term of office for a member of the State Legislative Council?

A. 2 years
B. 4 years
C. 6 years
D. 5 years

Solution

Members of the State Legislative Council serve a term of six years as per Article 172.

Correct Answer: C — 6 years

Q. What is the term of office for the members of the Rajya Sabha? (2019)

A. 3 years
B. 4 years
C. 5 years
D. 6 years

Solution

Members of the Rajya Sabha serve a term of 6 years, with one-third of the members retiring every two years.

Correct Answer: D — 6 years

Q. What is the term of office for the President of India? (2021)

A. 3 years
B. 4 years
C. 5 years
D. 6 years

Solution

The President of India is elected for a term of 5 years, as per Article 56 of the Constitution.

Correct Answer: C — 5 years

Q. What is the term of the President of India as per the Constitution?

A. 4 years
B. 5 years
C. 6 years
D. 3 years

Solution

The President of India is elected for a term of 5 years as per Article 56 of the Indian Constitution.

Correct Answer: B — 5 years

Q. What is the term of the Rajya Sabha members? (2022)

A. 5 years
B. 6 years
C. 4 years
D. 3 years

Solution

Members of the Rajya Sabha serve a term of 6 years, with one-third of the members retiring every two years.

Correct Answer: B — 6 years

Q. What is the term used for the amount of solute that can be adsorbed per unit mass of adsorbent?

A. Adsorption isotherm
B. Adsorption capacity
C. Adsorption efficiency
D. Adsorption rate

Solution

The term 'adsorption capacity' refers to the amount of solute that can be adsorbed per unit mass of adsorbent.

Correct Answer: B — Adsorption capacity

Q. What is the term used for the division of powers between the central and state governments?

A. Separation of Powers
B. Federalism
C. Unitary System
D. Decentralization

Solution

Federalism refers to the division of powers between the central and state governments in India.

Correct Answer: B — Federalism

Q. What is the term used for the maximum amount of solute that can be adsorbed on a surface? (2023)

A. Saturation point
B. Adsorption isotherm
C. Langmuir constant
D. Adsorption capacity

Solution

The term 'adsorption capacity' refers to the maximum amount of solute that can be adsorbed on a surface under specific conditions.

Correct Answer: D — Adsorption capacity

Q. What is the term used for the process of removing adsorbed molecules from a surface? (2020)

A. Desorption
B. Absorption
C. Sorption
D. Adsorption

Solution

Desorption is the process of removing adsorbed molecules from a surface, while adsorption is the process of molecules adhering to a surface.

Correct Answer: A — Desorption

Q. What is the term used for the scientific study of classification? (2022)

A. Phylogeny
B. Taxonomy
C. Morphology
D. Ecology

Solution

Taxonomy is the scientific study of classification, naming, and identifying organisms.

Correct Answer: B — Taxonomy

Q. What is the term used for the scientific study of living organisms? (2020)

A. Biology
B. Zoology
C. Botany
D. Ecology

Solution

Biology is the scientific study of living organisms.

Correct Answer: A — Biology

Q. What is the term used for the study of living organisms? (2021)

A. Biology
B. Zoology
C. Botany
D. Ecology

Solution

Biology is the term used for the study of living organisms.

Correct Answer: A — Biology

Q. What is the theoretical yield of Na2SO4 when 10 g of Na reacts with excess sulfuric acid?

A. 20 g
B. 30 g
C. 40 g
D. 50 g

Solution

10 g of Na = 0.434 moles. 2Na + H2SO4 → Na2SO4 + H2. 0.434 moles of Na2SO4 = 0.434 * 142 g = 61.6 g.

Correct Answer: B — 30 g

Q. What is the theoretical yield of NaCl when 23 g of Na reacts with Cl2?

A. 58.5 g
B. 23 g
C. 46 g
D. 69 g

Solution

23 g of Na = 1 mole. 1 mole of Na produces 1 mole of NaCl = 58.5 g.

Correct Answer: A — 58.5 g

Q. What is the theoretical yield of NaCl when 23 g of Na reacts with excess Cl2?

A. 58.5 g
B. 23 g
C. 46 g
D. 11.5 g

Solution

23 g of Na = 1 mole. 1 mole of Na produces 1 mole of NaCl = 58.5 g.

Correct Answer: A — 58.5 g

Q. What is the thermal conductivity of a material if a 1 m² area of it conducts 100 J of heat in 10 seconds with a temperature difference of 20°C?

A. 2 W/m°C
B. 5 W/m°C
C. 10 W/m°C
D. 20 W/m°C

Solution

Using the formula Q = kA(T1-T2)t, we find k = Q / (A(T1-T2)t) = 100 J / (1 m² * 20°C * 10 s) = 0.5 W/m°C.

Correct Answer: B — 5 W/m°C

Q. What is the threshold frequency for a metal if the work function is 4.5 eV?

A. 5.4 x 10^14 Hz
B. 6.0 x 10^14 Hz
C. 7.2 x 10^14 Hz
D. 8.0 x 10^14 Hz

Solution

Threshold frequency (ν₀) = Work function (Φ) / h = 4.5 eV / (4.14 x 10^-15 eV·s) = 5.4 x 10^14 Hz.

Correct Answer: A — 5.4 x 10^14 Hz

Q. What is the threshold of hearing in decibels?

A. 0 dB
B. 10 dB
C. 20 dB
D. 30 dB

Solution

The threshold of hearing is defined as 0 dB.

Correct Answer: A — 0 dB

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