General knowledge MCQ – Change your future

371. The Supreme Court has interpreted constitutional right to education as [General Knowledge for IBPS RRB (CWE RRB) Examination-2013]

Correct Answer: Correct answer is: (A) Fundamental right under directive principles.

Exam Relevance: UPSC, SSC, IBPS, RRB

Difficulty: Moderate

Concept notes: The right to education is not explicitly mentioned as a fundamental right in the Indian Constitution. However, it has been interpreted by the Supreme Court as a fundamental right under the directive principles of state policy.

Common Mistakes: Students often confuse the right to education with other fundamental rights such as the right to life or equality, which are explicitly mentioned in the Constitution.

Explanations: The Supreme Court has interpreted the right to education as a fundamental right under the directive principles of state policy. This interpretation is based on the broader principles of the Constitution that aim to ensure the welfare and development of the citizens. The directive principles, although not enforceable by the courts, guide the state in formulating policies and laws that promote the welfare of the people, including the right to education.

Option Analysis:

Option A: Correct. The right to education is interpreted as a fundamental right under the directive principles of state policy.
Option B: Incorrect. The right to life is a fundamental right under Article 21 of the Constitution, but it does not specifically cover the right to education.
Option C: Incorrect. The right to equality is a fundamental right under Articles 14, 15, and 16 of the Constitution, but it does not specifically cover the right to education.
Option D: Incorrect. The right to employment is not a fundamental right under the Constitution, and it is not related to the right to education.

372. Who sings "FRIENDS"? [Haryana School Teachers Selection Board Examination-1981]

Correct Answer: Correct answer is: (B) Anne-Marie and Marshmallow.

Exam Relevance: Haryana School Teachers Selection Board Examination, General Knowledge Competitions

Difficulty: Easy

Concept notes: The song "FRIENDS" is a popular collaboration between Anne-Marie and Marshmallow.

Common Mistakes: Students may confuse the artists with other popular singers or think it is a solo effort.

Explanations: The song "FRIENDS" is a well-known collaboration between the British singer Anne-Marie and the French DJ and producer Marshmallow. This information is widely recognized in popular music culture.

Option Analysis:

Option A: Camila Cabelo is not associated with the song "FRIENDS."
Option B: Anne-Marie and Marshmallow are the correct artists for the song "FRIENDS."
Option C: Taylor Swift is not associated with the song "FRIENDS."
Option D: Ariana Grande is not associated with the song "FRIENDS."

Mnemonic: A & M for Anne-Marie and Marshmallow.

373. He invented Zero [Indian Corporate Law Service (ICLS) Examination-1990]

Correct Answer: Correct answer is: (A) Arya Bhata.

Exam Relevance: ICLS, UPSC, GRE, GMAT

Difficulty: Moderate

Concept notes: Aryabhata, an ancient Indian mathematician and astronomer, is credited with the concept of zero as a number and its use in the place value system.

Common Mistakes: Students may confuse Aryabhata with other ancient Indian scholars who made significant contributions in mathematics and astronomy.

Explanations: Aryabhata, a renowned mathematician and astronomer from ancient India, is credited with the invention of the concept of zero as a number and its use in the place value system. This invention was revolutionary and laid the foundation for modern mathematics. The other options listed are not associated with the invention of zero.

Option Analysis:

Option A: Aryabhata is the correct answer as he is credited with the invention of zero.
Option B: Sadguru is a term used for spiritual teachers and is not associated with the invention of zero.
Option C: Chandragupta Maurya was a political leader and founder of the Maurya Empire, not known for mathematical inventions.
Option D: Kalidas was a renowned Sanskrit poet and playwright, not associated with the invention of zero.

Mnemonic: Aryabhata, Zero, Math

374. Now a days, we read about a new word in business called Crowdsourcing. Which among the following fits well as a definition of Crowdsourcing?

Correct Answer: Correct answer is: (C) Crowdsourcing is to invite open public to develop a new technology or to carry out a design task or to create some sort of strategy.

Exam Relevance: CAT, GMAT, GRE, UPSC

Difficulty: Moderate

Concept notes: Crowdsourcing involves leveraging the collective intelligence and creativity of a large group of people, typically through an open call to the public, to solve problems, innovate, or complete tasks.

Common Mistakes: Students may confuse crowdsourcing with outsourcing, which involves delegating tasks to external organizations rather than the general public.

Explanations: Crowdsourcing is a process where organizations or individuals invite the public to contribute ideas, solutions, or creative work. This can include developing new technologies, designing products, or creating strategies. The key aspect is the open invitation to the public, which distinguishes it from other forms of collaboration or outsourcing.

Option Analysis:

Option A: This option describes a form of low-wage labor division, not crowdsourcing.
Option B: This option describes a temporary workforce, which is not the essence of crowdsourcing.
Option C: This option correctly defines crowdsourcing as inviting the public to contribute to various tasks and projects.
Option D: This option describes a feedback mechanism, not the active contribution of ideas and work that defines crowdsourcing.

Mnemonic: Crowd = Public, Source = Contribute

375. What is the population density of Kerala? [ESIC Kerala Examination-1981]

Correct Answer: Correct answer is: (A) 819/sq. km.

Exam Relevance: UPSC, SSC, Bank PO, ESIC

Difficulty: Moderate

Concept notes: The population density of a region is calculated by dividing the total population by the total area. For Kerala, the population density is given as 819 people per square kilometer.

Common Mistakes: Students may confuse the population density with the total population or the area of the state.

Explanations: Kerala, a state in India, has a high population density due to its relatively small area and large population. The population density is calculated by dividing the total population of Kerala by its total area. The correct value for the population density of Kerala is 819 people per square kilometer.

Option Analysis:

Option A: Correct, as the population density of Kerala is 819 people per square kilometer.
Option B: Incorrect, as 500 people per square kilometer is not the correct population density for Kerala.
Option C: Incorrect, as 415 people per square kilometer is not the correct population density for Kerala.
Option D: Incorrect, as 602 people per square kilometer is not the correct population density for Kerala.

376. Near Antofagasta, Chile the surface of the Atacama Desert looks like the surface of the [SBI Clerk Examination-2000]

Correct Answer: Correct answer is: (A) Mars.

Exam Relevance: SBI Clerk, UPSC, SSC, Bank PO

Difficulty: Moderate

Concept notes: The Atacama Desert in Chile is known for its extreme aridity and unique geological features, which make it resemble the surface of Mars.

Common Mistakes: Students might confuse the Atacama Desert with the Moon due to its barren and rocky appearance.

Explanations: The Atacama Desert is often compared to the surface of Mars because of its harsh, dry conditions and the presence of unique geological formations. The desert's lack of vegetation, high salt content, and rocky terrain create an environment that closely mimics the Martian surface. This similarity is why it is sometimes used as a testing ground for Mars rovers and other space exploration equipment.

Option Analysis:

Option A: Correct. The Atacama Desert's surface closely resembles that of Mars due to its arid and rocky conditions.
Option B: Incorrect. The Moon's surface is characterized by craters and regolith, which do not closely match the Atacama Desert's features.
Option C: Incorrect. The Atacama Desert is extremely dry and does not resemble a water surface.
Option D: Incorrect. The Atacama Desert lacks the vegetation and greenery associated with grassy areas.

Mnemonic: Dry Mars, Not Moon or Green.

377. How many points need to make a century? [ESIC Examination-2004]

Correct Answer: Correct answer is: (D) 100.

Exam Relevance: ESIC Examination, UPSC, SSC

Difficulty: Very Easy

Concept notes: A century in cricket is a score of 100 runs by a single batsman.

Common Mistakes: Students may confuse a century with other cricket scoring milestones, such as a double century (200 runs).

Explanations: In cricket, a century is achieved when a batsman scores 100 runs in a single innings. This is a significant milestone and is celebrated as a major achievement in the game.

Option Analysis:

Option A: 300 is incorrect as it represents a triple century, not a century.
Option B: 150 is incorrect as it represents a score between a century and a double century.
Option C: 200 is incorrect as it represents a double century, not a century.
Option D: 100 is correct as it represents a century in cricket.

Mnemonic: C for Century, C for 100.

378. Which best describes a main-sequence star? [TET Examination-2015]

Correct Answer: Correct answer is: (C) Balanced forces.

Exam Relevance: TET, GRE, MCAT, GMAT

Difficulty: Moderate

Concept notes: A main-sequence star is characterized by a balance between the inward gravitational force and the outward pressure from nuclear fusion reactions in its core.

Common Mistakes: Students may confuse main-sequence stars with other types of stars, such as red giants or white dwarfs, which have different characteristics.

Explanations: A main-sequence star is in a stable phase of its life cycle where the forces are balanced. The gravitational force pulling inward is counterbalanced by the outward pressure from the nuclear fusion reactions in the core. This balance allows the star to maintain a stable state for a long period.

Option Analysis:

Option A: Main-sequence stars are not unstable; they are in a stable phase of their life cycle.
Option B: While main-sequence stars can be very hot, this is not the defining characteristic of a main-sequence star.
Option C: Main-sequence stars are characterized by balanced forces, making this the correct answer.
Option D: Main-sequence stars can vary in size, but being relatively small is not a defining characteristic.

379. What is the lowest caste according to the Vedas? [SSC CGL Examination-1981]

Correct Answer: Correct answer is: (A) Sudras.

Exam Relevance: SSC CGL, UPSC, Civil Services

Difficulty: Easy

Concept notes: The caste system in Hinduism, as described in the Vedas, divides society into four main castes: Brahmins, Kshatriyas, Vaishyas, and Sudras. Sudras are traditionally considered the lowest caste.

Common Mistakes: Students may confuse the order of the castes or believe that the caste system is no longer relevant in modern society.

Explanations: The Vedas, ancient Hindu scriptures, establish a hierarchical social structure with four varnas or castes. Sudras, who are typically engaged in service and labor, are placed at the bottom of this hierarchy. This classification is based on the traditional roles and duties assigned to each caste.

Option Analysis:

Option A: Sudras are the lowest caste in the Vedic social hierarchy.
Option B: Brahmins are the highest caste, traditionally priests and scholars.
Option C: Kshatriyas are the second highest caste, traditionally warriors and rulers.
Option D: Vaishyas are the third highest caste, traditionally merchants and farmers.

Mnemonic: S-B-K-V: Sudras, Brahmins, Kshatriyas, Vaishyas

380. Japan entered a period known as ..... after the victory from the Mongols. [ESIC HP Examination-2011]

Correct Answer: Correct answer is: (B) Warring States.

Exam Relevance: UPSC, Civil Services, ESIC

Difficulty: Moderate

Concept notes: The Warring States period in Japanese history refers to a time of internal conflict and political fragmentation.

Common Mistakes: Students may confuse the Warring States period with other periods of Japanese history, such as the Heian period or the Edo period.

Explanations: After the Mongol invasions of Japan in the late 13th century, Japan entered a period known as the Warring States period. This era was characterized by internal strife, with various daimyos (feudal lords) vying for power and control. The period saw significant social and political upheaval, leading to the eventual unification of Japan under the Tokugawa shogunate.

Option Analysis:

Option A: Zen Buddhism is a school of Mahayana Buddhism that emphasizes meditation and intuition. It is not a historical period.
Option B: The Warring States period is the correct answer as it refers to the period of internal conflict in Japan following the Mongol invasions.
Option C: Pax Romana refers to a period of relative peace and stability in the Roman Empire, not a period in Japanese history.
Option D: The Golden Age is a term used to describe a period of prosperity and cultural achievement, but it does not specifically refer to the period following the Mongol invasions in Japan.

Mnemonic: Warring States: "W" for "War" and "S" for "Strife"

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General knowledge MCQ - Set 38

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