General knowledge MCQ – Change your future

881. On the eve of independence, the proportion of population was engaged in industrial sector was: [SBI Clerk Examination-2022]

Correct Answer: Correct answer is: (A) Approx. 10%.

Exam Relevance: SBI Clerk, IBPS PO, UPSC Civil Services

Difficulty: Moderate

Concept notes: The industrial sector's share of the population in India on the eve of independence was approximately 10%.

Common Mistakes: Students may confuse the percentage with the agricultural sector's share, which was significantly higher.

Explanations: On the eve of independence, the industrial sector in India was relatively small compared to the agricultural sector. The majority of the population was engaged in agriculture, with only a small fraction involved in industrial activities. Historical data and economic studies indicate that the industrial sector employed approximately 10% of the population at that time.

Option Analysis:

Option A: Correct. The industrial sector employed approximately 10% of the population on the eve of independence.
Option B: Incorrect. 20% is too high for the industrial sector's share of the population at that time.
Option C: Incorrect. 15% is also too high for the industrial sector's share of the population at that time.
Option D: Incorrect. 26% is significantly higher than the actual share of the population in the industrial sector.

882. Egypt's ..... settled near the Nile River [UPSC Examination-2013]

Correct Answer: Correct answer is: (B) Population.

Exam Relevance: UPSC, GRE, GMAT, Civil Services

Difficulty: Easy

Concept notes: The Nile River was a crucial resource for ancient civilizations, providing water, fertile land, and transportation. The ancient Egyptian civilization thrived along its banks due to these benefits.

Common Mistakes: Students might confuse the term "population" with "pollution," which is a modern environmental concern not relevant to ancient Egypt.

Explanations: The Nile River provided the necessary resources for the ancient Egyptian civilization to flourish. The fertile land along the riverbanks supported agriculture, which in turn supported a large population. Thus, the correct term is "population," as it refers to the people who settled and thrived near the Nile.

Option Analysis:

Option A: Pollution is not relevant to the context of ancient Egypt's settlement patterns.
Option B: Population is the correct term, as it refers to the people who settled near the Nile River.
Option C: Popular is not relevant to the context of settlement patterns.
Option D: None of the above is incorrect, as "population" is the correct term.

Mnemonic: Nile Nourished Numbers

883. THE NORTHERN MOST POINT OF THE GLOBE IS KNOWN AS [SSC SI & ASI Examination-2004]

Correct Answer: Correct answer is: (C) NORTH POLE.

Exam Relevance: SSC SI & ASI, UPSC, Bank PO, Civil Services

Difficulty: Very Easy

Concept notes: The Northernmost point of the globe is the North Pole.

Common Mistakes: Students may confuse the North Pole with the South Pole or the Equator.

Explanations: The North Pole is the northernmost point on Earth, located at 90 degrees north latitude. It is the point where all longitudinal lines converge, marking the northern extremity of the Earth's axis.

Option Analysis:

Option A: The Equator is the line of latitude that divides the Earth into the Northern and Southern Hemispheres. It is not the northernmost point.
Option B: The South Pole is the southernmost point on Earth, located at 90 degrees south latitude. It is not the northernmost point.
Option C: The North Pole is the northernmost point on Earth, located at 90 degrees north latitude.
Option D: The Axis is an imaginary line around which the Earth rotates. It does not represent a physical point on the Earth's surface.

Mnemonic: N for North, N for Northernmost.

884. The Organisms which leads saprophytic life are [SSC JE Examination-2018]

Correct Answer: Correct answer is: (C) Fungi.

Exam Relevance: SSC JE, UPSC, GATE

Difficulty: Easy

Concept notes: Fungi are organisms that obtain nutrients by absorbing organic matter from dead or decaying organisms. This lifestyle is known as saprophytic.

Common Mistakes: Students may confuse saprophytic organisms with parasitic organisms, which obtain nutrients from living hosts.

Explanations: Fungi are the primary organisms that lead a saprophytic lifestyle. They secrete enzymes to break down dead organic matter and absorb the nutrients. This is a key characteristic of fungi, distinguishing them from other kingdoms like Protista, Monera, and Plantae.

Option Analysis:

Option A: Protista are mostly unicellular organisms and do not primarily lead a saprophytic lifestyle.
Option B: Monera includes bacteria and archaea, which can be saprophytic but are not the primary organisms associated with this lifestyle.
Option C: Fungi are the primary organisms that lead a saprophytic lifestyle, breaking down dead organic matter.
Option D: Plantae are primarily autotrophic and do not lead a saprophytic lifestyle.

Mnemonic: Fungi Feed on Foul, Fading Flesh.

885. Alloys, in which mercury is one of the metals, are called [General Knowledge for Himachal Pradesh Public Service Commission Examination-2021]

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

Exam Relevance: Himachal Pradesh Public Service Commission Examination, UPSC, SSC

Difficulty: Easy

Concept notes: Amalgams are alloys in which mercury is one of the metals.

Common Mistakes: Students may confuse amalgams with other types of mixtures or alloys.

Explanations: Amalgams are specifically defined as alloys that contain mercury. This term is used because mercury forms alloys with many metals, and these alloys are known as amalgams. Therefore, the correct term for alloys containing mercury is amalgams.

Option Analysis:

Option A: Correct. Amalgams are alloys containing mercury.
Option B: Incorrect. Emulsions are mixtures of two immiscible liquids, not alloys.
Option C: Incorrect. Mixtures are general terms for substances combined but not chemically bonded, not specific to alloys with mercury.
Option D: Incorrect. Solders are alloys used for joining metals, typically not containing mercury.

Mnemonic: A: Amalgam, Always Mercury

886. What was the active medium used in the first working laser ever constructed? [HSSC Examination-1990]

Correct Answer: Correct answer is: (D) A ruby rod.

Exam Relevance: GATE, GRE, IAS, UPSC

Difficulty: Easy

Concept notes: The first working laser was constructed using a ruby rod as its active medium.

Common Mistakes: Students may confuse the first laser with later models that used different active mediums like helium-neon or carbon dioxide gases.

Explanations: The first laser, invented by Theodore Maiman in 1960, utilized a ruby rod as its active medium. The ruby rod, which is a synthetic ruby crystal, was pumped with light from a flashlamp to achieve population inversion, leading to the emission of coherent light. This setup demonstrated the principle of stimulated emission, which is fundamental to laser operation.

Option Analysis:

Option A: A diamond block was not used in the first laser.
Option B: Helium-neon gas was used in later lasers, not the first one.
Option C: Carbon dioxide gas was used in later lasers, not the first one.
Option D: A ruby rod was used in the first working laser.

Mnemonic: Ruby Rod, First Laser, Theodore Maiman

887. Haemotapoiesis in children occurs in long bones that are [UPPSC Examination-2003]

Correct Answer: Correct answer is: (A) Tibia and femur.

Exam Relevance: UPPSC, NEET, AIIMS

Difficulty: Moderate

Concept notes: Haematopoiesis in children occurs in the bone marrow of long bones, particularly the tibia and femur.

Common Mistakes: Students may confuse the sites of haematopoiesis in adults with those in children, where the process is more widespread.

Explanations: In children, haematopoiesis primarily occurs in the bone marrow of long bones such as the tibia and femur. These bones contain a higher proportion of red bone marrow, which is responsible for the production of blood cells. As children grow older, the distribution of active haematopoietic sites changes, with the tibia and femur remaining significant sites of blood cell production.

Option Analysis:

Option A: Correct. Haematopoiesis in children occurs in the tibia and femur.
Option B: Incorrect. The spine is not a primary site for haematopoiesis in children.
Option C: Incorrect. The scapula is not a primary site for haematopoiesis in children.
Option D: Incorrect. While the sternum is a site of haematopoiesis in adults, it is not the primary site in children.

Mnemonic: Tibia and Femur: Think "T" and "F" for "Tibia and Femur" as key sites in children.

888. The seat of International Court of Justice is established at [General Knowledge for SSC CHSL Examination-1998]

Correct Answer: Correct answer is: (B) Hague.

Exam Relevance: SSC CHSL, UPSC, Civil Services, Bank PO

Difficulty: Easy

Concept notes: The International Court of Justice (ICJ) is the principal judicial organ of the United Nations (UN). It is located in The Hague, Netherlands.

Common Mistakes: Students may confuse the location of the ICJ with other international organizations, such as the United Nations headquarters in Geneva or the World Health Organization in Switzerland.

Explanations: The International Court of Justice is headquartered in The Hague, Netherlands. This is a well-established fact in international law and global governance. The Hague is known for hosting several international legal institutions and is often referred to as the "legal capital of the world."

Option Analysis:

Option A: Geneva is the location of the United Nations Office at Geneva, not the ICJ.
Option B: The Hague is the correct location of the International Court of Justice.
Option C: Chicago is not associated with the ICJ or any major international legal institutions.
Option D: Switzerland, while home to several international organizations, is not the specific location of the ICJ.

Mnemonic: Hague, Home of the High Court

889. Which of the following is not involved in the preparation of budget? [WBSSC Examination-2006]

Correct Answer: Correct answer is: (D) Finance Commission.

Exam Relevance: UPSC, SSC, Banking Exams, State PSC

Difficulty: Moderate

Concept notes: The Finance Commission is not directly involved in the preparation of the budget. It advises the President on the distribution of financial resources between the Union and the States.

Common Mistakes: Students may mistakenly believe that the Finance Commission is involved in budget preparation because it deals with financial matters. However, its role is advisory and related to the distribution of funds, not the preparation of the budget itself.

Explanations: The Finance Commission is an advisory body that provides recommendations to the President on the distribution of financial resources between the Union and the States. It does not play a direct role in the preparation of the budget, which is primarily the responsibility of the Ministry of Finance, the Planning Commission, and the Comptroller and Auditor General.

Option Analysis:

Option A: The Ministry of Finance is directly involved in the preparation of the budget.
Option B: The Planning Commission plays a role in the budget preparation process, particularly in long-term planning and allocation of funds.
Option C: The Comptroller and Auditor General is involved in the budget process, particularly in the audit and oversight of financial matters.
Option D: The Finance Commission is not directly involved in the preparation of the budget, but rather advises on the distribution of financial resources.

Mnemonic: FC = Funds, Not Budgets

890. What title below uses correct capitalization? [UPSC ESE Examination-2013]

Correct Answer: Correct answer is: (A) The Hunger Games.

Exam Relevance: UPSC ESE, Civil Services Exam, Competitive Exams

Difficulty: Easy

Concept notes: The correct answer follows standard capitalization rules for book titles, where the first and last words are capitalized, along with all other significant words.

Common Mistakes: Students often forget to capitalize all significant words in titles, or they may incorrectly capitalize articles or prepositions.

Explanations: In the title "The Hunger Games," the first word "The" is capitalized, as well as the significant words "Hunger" and "Games." This follows the standard capitalization rules for book titles, where the first and last words are capitalized, along with all other significant words.

Option Analysis:

Option A: Correct. "The Hunger Games" follows the correct capitalization rules for book titles.
Option B: Incorrect. "Diary of a wimpy kid" should have "wimpy" capitalized.
Option C: Incorrect. "I Am Malala" should have "Am" capitalized.
Option D: Incorrect. "The Hot Zone" should have "Hot" capitalized.

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General knowledge MCQ - Set 89

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