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 logic gate is equivalent to an AND gate followed by a NOT gate?

A. OR
B. NAND
C. NOR
D. XOR

Solution

The NAND gate is equivalent to an AND gate followed by a NOT gate, as it inverts the output of the AND gate.

Correct Answer: B — NAND

Q. Which logic gate is represented by the symbol '⊕'?

A. AND Gate
B. OR Gate
C. NAND Gate
D. XOR Gate

Solution

The symbol '⊕' represents the XOR gate.

Correct Answer: D — XOR Gate

Q. Which logic gate outputs true only when all inputs are false?

A. AND
B. OR
C. NOR
D. NAND

Solution

The NOR gate outputs true (1) only when all inputs are false (0).

Correct Answer: C — NOR

Q. Which logic gate outputs true only when all inputs are true?

A. AND
B. OR
C. NOT
D. NAND

Solution

The AND gate outputs true only when all its inputs are true.

Correct Answer: A — AND

Q. Which logic gate outputs true only when all its inputs are true?

A. AND Gate
B. OR Gate
C. NOT Gate
D. NAND Gate

Solution

The AND gate outputs true only when all its inputs are true.

Correct Answer: A — AND Gate

Q. Which logic gate outputs true only when both inputs are false?

A. AND
B. OR
C. NAND
D. NOR

Solution

The NOR gate outputs true only when both inputs are false.

Correct Answer: D — NOR

Q. Which macromolecule is primarily responsible for genetic information? (2020)

A. Proteins
B. Lipids
C. Carbohydrates
D. Nucleic Acids

Solution

Nucleic acids, such as DNA and RNA, are responsible for storing and transmitting genetic information.

Correct Answer: D — Nucleic Acids

Q. Which macromolecule is primarily responsible for storing genetic information? (2020)

A. Proteins
B. Carbohydrates
C. Lipids
D. Nucleic acids

Solution

Nucleic acids, such as DNA and RNA, are responsible for storing and transmitting genetic information.

Correct Answer: D — Nucleic acids

Q. Which macronutrient is most important for muscle repair and growth?

A. Carbohydrates
B. Fats
C. Proteins
D. Vitamins

Solution

Proteins are most important for muscle repair and growth as they provide the building blocks (amino acids) needed for muscle tissue.

Correct Answer: C — Proteins

Q. Which major international event took place in India in 2023? (2023)

A. G20 Summit
B. World Economic Forum
C. COP26
D. UN Climate Change Conference

Solution

The G20 Summit was held in India in 2023.

Correct Answer: A — G20 Summit

Q. Which major natural disaster in India led to the establishment of the National Disaster Management Authority? (2001)

A. Bhopal Gas Tragedy
B. Kutch Earthquake
C. Uttarakhand Floods
D. Cyclone Phailin

Solution

The Kutch Earthquake in 2001 was a significant event that highlighted the need for a structured disaster management framework, leading to the establishment of the NDMA.

Correct Answer: B — Kutch Earthquake

Q. Which material has the highest resistivity?

A. Copper
B. Aluminum
C. Iron
D. Rubber

Solution

Rubber has a much higher resistivity compared to metals like copper, aluminum, and iron.

Correct Answer: D — Rubber

Q. Which material has the lowest resistivity?

A. Copper
B. Aluminum
C. Silver
D. Iron

Solution

Silver has the lowest resistivity among common materials.

Correct Answer: C — Silver

Q. Which measure of dispersion is affected by extreme values?

A. Range
B. Variance
C. Standard Deviation
D. All of the above

Solution

All of these measures are affected by extreme values in the data set.

Correct Answer: D — All of the above

Q. Which measure of dispersion is not affected by extreme values?

A. Range
B. Variance
C. Standard Deviation
D. Interquartile Range

Solution

Interquartile Range is not affected by extreme values.

Correct Answer: D — Interquartile Range

Q. Which medieval empire is noted for its significant contributions to environmental management through the establishment of extensive irrigation systems?

A. A. The Gupta Empire
B. B. The Mughal Empire
C. C. The Ottoman Empire
D. D. The Byzantine Empire

Solution

The Mughal Empire (16th to 18th centuries) is known for its advanced irrigation systems, which significantly improved agricultural productivity and environmental management.

Correct Answer: B — B. The Mughal Empire

Q. Which medieval Indian ruler is credited with the establishment of the first wildlife sanctuary in India?

A. Akbar
B. Ashoka
C. Sher Shah Suri
D. Jahangir

Solution

Jahangir, the Mughal emperor, is credited with establishing the first wildlife sanctuary in India, reflecting his interest in nature and conservation.

Correct Answer: D — Jahangir

Q. Which memory management technique allows for non-contiguous memory allocation?

A. Paging
B. Segmentation
C. Contiguous allocation
D. Swapping

Solution

Paging allows for non-contiguous memory allocation by dividing memory into fixed-size pages.

Correct Answer: A — Paging

Q. Which memory management technique allows processes to be loaded into non-contiguous memory?

A. Paging
B. Segmentation
C. Contiguous allocation
D. Swapping

Solution

Paging allows processes to be divided into fixed-size pages that can be loaded into non-contiguous memory.

Correct Answer: A — Paging

Q. Which memory management technique allows processes to be loaded into non-contiguous memory spaces?

A. Paging
B. Segmentation
C. Contiguous allocation
D. Swapping

Solution

Paging allows processes to be divided into fixed-size pages that can be loaded into non-contiguous memory spaces.

Correct Answer: A — Paging

Q. Which memory type is primarily used when recalling a historical event? (2023)

A. Semantic memory
B. Figural memory
C. Episodic memory
D. Procedural memory

Solution

Episodic memory is used for recalling specific historical events and personal experiences.

Correct Answer: C — Episodic memory

Q. Which metal is commonly used in batteries?

A. Lead
B. Copper
C. Iron
D. Aluminum

Solution

Lead is commonly used in lead-acid batteries due to its ability to store electrical energy.

Correct Answer: A — Lead

Q. Which metal is commonly used in the production of alloys? (2021)

A. Lead
B. Tin
C. Mercury
D. Bismuth

Solution

Tin is commonly used in the production of alloys, such as bronze and solder.

Correct Answer: B — Tin

Q. Which metal is commonly used in the production of batteries? (2023)

A. Lead
B. Zinc
C. Copper
D. Iron

Solution

Lead is commonly used in lead-acid batteries due to its ability to store electrical energy.

Correct Answer: A — Lead

Q. Which metal is commonly used in the production of stainless steel? (2023)

A. Iron
B. Lead
C. Copper
D. Zinc

Solution

Iron is the primary metal used in the production of stainless steel, often alloyed with chromium and nickel.

Correct Answer: A — Iron

Q. Which metal is known for its high resistance to corrosion?

A. Iron
B. Copper
C. Aluminum
D. Titanium

Solution

Titanium is known for its high resistance to corrosion, making it suitable for various applications.

Correct Answer: D — Titanium

Q. Which metal is known for its resistance to corrosion?

A. Iron
B. Copper
C. Aluminum
D. Gold

Solution

Gold is highly resistant to corrosion and tarnishing, making it valuable for jewelry and electronics.

Correct Answer: D — Gold

Q. Which metal is primarily used in the construction of aircraft due to its strength-to-weight ratio?

A. Titanium
B. Aluminum
C. Steel
D. Copper

Solution

Aluminum is primarily used in aircraft construction because of its favorable strength-to-weight ratio.

Correct Answer: B — Aluminum

Q. Which metal is primarily used in the production of stainless steel?

A. Iron
B. Nickel
C. Chromium
D. Zinc

Solution

Chromium is added to iron to produce stainless steel, enhancing its corrosion resistance.

Correct Answer: C — Chromium

Q. Which metal is used in the production of stainless steel?

A. Nickel
B. Zinc
C. Tin
D. Lead

Solution

Nickel is used in the production of stainless steel to enhance its corrosion resistance.

Correct Answer: A — Nickel

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