General knowledge MCQ – Change your future

681. These building blocks consist of a sugar, phosphate, and nitrogen base. [National Defense Academy and Naval Academy Examination-2022]

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

Exam Relevance: NEET, JEE, GRE, MCAT

Difficulty: Moderate

Concept notes: Nucleotides are the building blocks of nucleic acids such as DNA and RNA. They consist of a sugar, a phosphate group, and a nitrogenous base.

Common Mistakes: Students may confuse ribose with nucleotide, as ribose is a component of nucleotides but not the complete structure.

Explanations: Nucleotides are the fundamental units of nucleic acids. Each nucleotide consists of three components: a sugar (deoxyribose in DNA, ribose in RNA), a phosphate group, and a nitrogenous base. This combination of sugar, phosphate, and nitrogenous base makes nucleotides the correct answer.

Option Analysis:

Option A: Ribose is a type of sugar found in RNA, but it does not include the phosphate and nitrogenous base components.
Option B: Nucleotide is the correct answer as it includes all three components: sugar, phosphate, and nitrogenous base.
Option C: A gene is a segment of DNA that codes for a specific protein, but it is not a building block consisting of sugar, phosphate, and nitrogenous base.
Option D: Proteins are made up of amino acids, not sugar, phosphate, and nitrogenous base.

Mnemonic: Sugar, Phosphate, Base = SPB

682. When did the Prophet (peace be upon him) perform the Hijjat Al-Wadaa (The Farewell Pilgrimage)? [Assam Postal Circle Examination-1999]

Correct Answer: Correct answer is: (B) 10 A.H.

Exam Relevance: UPSC, SSC, Bank PO, Competitive Exams

Difficulty: Moderate

Concept notes: The Hijjat Al-Wadaa, also known as the Farewell Pilgrimage, was the last pilgrimage performed by the Prophet Muhammad (peace be upon him) before his death.

Common Mistakes: Students may confuse the year of the Farewell Pilgrimage with other significant events in the Prophet's life, such as the Hijra or the Battle of Badr.

Explanations: The Prophet Muhammad (peace be upon him) performed the Hijjat Al-Wadaa in the tenth year after the Hijra (10 A.H.). This pilgrimage is significant as it was the only Hajj the Prophet performed after the conquest of Mecca and it included the delivery of his famous Farewell Sermon.

Option Analysis:

Option A: 4 A.H. is incorrect as this year is significant for the Treaty of Hudaybiyyah, not the Farewell Pilgrimage.
Option B: 10 A.H. is correct as it marks the year of the Farewell Pilgrimage.
Option C: 15 A.H. is incorrect as the Prophet passed away in 11 A.H., making this year posthumous.
Option D: 20 A.H. is incorrect as it is well beyond the Prophet's lifetime.

683. How many bones does a human have? [SSC MTS Examination-1984]

Correct Answer: Correct answer is: (A) 206.

Exam Relevance: SSC MTS, UPSC, GRE, GMAT

Difficulty: Very Easy

Concept notes: The human skeleton consists of 206 bones, which provide support, protection, and facilitate movement.

Common Mistakes: Students may confuse the number of bones with other anatomical facts or remember an incorrect number.

Explanations: The human skeleton is composed of 206 bones. This number includes all the bones in the skull, spine, ribs, limbs, and other parts of the body. The number 206 is a well-established fact in human anatomy.

Option Analysis:

Option A: Correct. The human body has 206 bones.
Option B: Incorrect. 201 is not the correct number of bones in the human body.
Option C: Incorrect. 220 is not the correct number of bones in the human body.
Option D: Incorrect. 215 is not the correct number of bones in the human body.

684. The host of first Olympics in 1896 was

Correct Answer: Correct answer is: (A) Athens, Greece.

Exam Relevance: GRE, GMAT, Civil Services, UPSC

Difficulty: Easy

Concept notes: The first modern Olympic Games were held in Athens, Greece, in 1896.

Common Mistakes: Students may confuse the location with other major cities that have hosted the Olympics, such as Paris or London.

Explanations: The first modern Olympic Games were organized by the International Olympic Committee (IOC) and were held in Athens, Greece, in 1896. This event marked the revival of the Olympic Games after a 1,500-year hiatus since the ancient Olympic Games in Greece. The choice of Athens as the host city symbolized the connection between the ancient and modern Olympic traditions.

Option Analysis:

Option A: Correct. Athens, Greece, was the host city of the first modern Olympic Games in 1896.
Option B: Incorrect. Paris, France, hosted the second modern Olympic Games in 1900.
Option C: Incorrect. Los Angeles, USA, has hosted the Olympics in 1932 and 1984, but not in 1896.
Option D: Incorrect. London, Great Britain, hosted the Olympics in 1908, 1948, and 2012, but not in 1896.

Mnemonic: A for Athens, A for Ancient.

685. The term of office of a Judge of the International Court of Justice is [Assam PSC Examination-2022]

Correct Answer: Correct answer is: (C) Nine years.

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

Difficulty: Moderate

Concept notes: The term of office for a Judge of the International Court of Justice is nine years.

Common Mistakes: Students may confuse the term of office with other international bodies or judicial positions.

Explanations: The International Court of Justice (ICJ) is the principal judicial organ of the United Nations. Judges of the ICJ are elected by the United Nations General Assembly and the Security Council for a term of nine years. This term is designed to ensure judicial independence and stability within the court.

Option Analysis:

Option A: Five years is incorrect as it does not align with the established term of office for ICJ judges.
Option B: Six years is incorrect as it does not align with the established term of office for ICJ judges.
Option C: Nine years is the correct term of office for a Judge of the International Court of Justice.
Option D: Ten years is incorrect as it does not align with the established term of office for ICJ judges.

686. Of the following, the maximum prosperity of minerals is in [General Knowledge for UPSC Civil Services Examination-1991]

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

Exam Relevance: UPSC Civil Services Examination, State PSC Examinations

Difficulty: Moderate

Concept notes: Karnataka is known for its rich mineral resources, particularly iron ore, manganese, and bauxite. The state's geological formations and mining infrastructure contribute to its significant mineral wealth.

Common Mistakes: Students may confuse the mineral wealth of different states, especially those in the southern region of India.

Explanations: Karnataka is recognized for its abundant mineral resources, including iron ore, manganese, and bauxite. The state's geological formations and well-developed mining infrastructure contribute to its significant mineral wealth, making it the state with the maximum prosperity of minerals among the given options.

Option Analysis:

Option A: Karnataka is correct as it is known for its rich mineral resources.
Option B: Kerala has some mineral resources but is not as rich as Karnataka.
Option C: Maharashtra has significant mineral resources but is not the most prosperous among the given options.
Option D: Tamil Nadu has mineral resources but is not as rich as Karnataka.

Mnemonic: Karnataka, K for Key Minerals

687. What is thelength of the Great Barrier Reef in Australia? [UPSC IFS Examination-2007]

Correct Answer: Correct answer is: (B) 2 300 km.

Exam Relevance: UPSC IFS, Civil Services, Competitive Exams

Difficulty: Moderate

Concept notes: The Great Barrier Reef is the world's largest coral reef system, located in the Coral Sea, off the coast of Queensland, Australia. It is known for its extensive length and biodiversity.

Common Mistakes: Students may confuse the length of the Great Barrier Reef with other large geographical features or may not be familiar with the exact measurement.

Explanations: The Great Barrier Reef stretches over 2,300 kilometers along the northeastern coast of Australia. This vast reef system is composed of over 2,900 individual reefs and 900 islands, making it the largest living structure on Earth and visible from space. The length of 2,300 kilometers is a well-established fact in geographical knowledge.

Option Analysis:

Option A: 1,500 km is significantly shorter than the actual length of the Great Barrier Reef.
Option B: 2,300 km is the correct length of the Great Barrier Reef.
Option C: 5,000 km is much longer than the actual length of the Great Barrier Reef.
Option D: None of the above is incorrect as 2,300 km is the correct length.

Mnemonic: Great Barrier, 2300, Twice a Thousand Plus Three Hundred

688. In the financial newspapers we read about International Growth. What are the activities involved in Industrial Sector for the purposes of economic planning? [General Knowledge for Kerala PSC Examination-2019]

Correct Answer: Correct answer is: (D) All of the above.

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

Difficulty: Moderate

Concept notes: The industrial sector encompasses various activities that are crucial for economic planning and development.

Common Mistakes: Students may overlook the inclusion of construction as part of the industrial sector, often focusing only on mining and manufacturing.

Explanations: The industrial sector includes activities such as mining, which involves extracting natural resources from the earth; manufacturing, which involves processing raw materials into finished goods; and construction, which involves building infrastructure and structures. All these activities are integral to economic planning and development, making the correct answer "All of the above."

Option Analysis:

Option A: Mining is a part of the industrial sector.
Option B: Manufacturing is a part of the industrial sector.
Option C: Construction is a part of the industrial sector.
Option D: All of the above are correct as they all represent activities within the industrial sector.

Mnemonic: Mnemonic: M-C-M (Mining, Construction, Manufacturing)

689. What is the covered area of Gujarat state? [Kerala PSC Examination-2001]

Correct Answer: Correct answer is: (D) 1, 96, 024 sq. km.

Exam Relevance: UPSC, SSC, Bank PO, State PSC

Difficulty: Moderate

Concept notes: The area of Gujarat state is a geographical fact that is important for general knowledge and competitive exams.

Common Mistakes: Students may confuse the area of Gujarat with other states or regions in India.

Explanations: Gujarat is a state in western India, and its total area is 1, 96, 024 square kilometers. This figure is a well-established geographical fact and is often tested in general knowledge sections of competitive exams.

Option Analysis:

Option A: 3, 702 sq. km. is incorrect as it is significantly smaller than the actual area of Gujarat.
Option B: 1, 35, 100 sq. km. is incorrect as it is also smaller than the actual area of Gujarat.
Option C: 94, 163 sq. km. is incorrect as it is much smaller than the actual area of Gujarat.
Option D: 1, 96, 024 sq. km. is the correct area of Gujarat.

Mnemonic: Gujarat, Great, 196k

690. Out of the seven colors of the rainbow, which one is in the middle? [Arunachal Pradesh Police Examination-1998]

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

Exam Relevance: Arunachal Pradesh Police Examination, UPSC, SSC

Difficulty: Easy

Concept notes: The colors of the rainbow, in order, are red, orange, yellow, green, blue, indigo, and violet. Green is the color in the middle of this sequence.

Common Mistakes: Students may confuse the order of the colors in the rainbow, leading to incorrect identification of the middle color.

Explanations: The sequence of colors in the rainbow is red, orange, yellow, green, blue, indigo, and violet. Green is the fourth color in this sequence, which places it in the middle.

Option Analysis:

Option A: Red is the first color in the rainbow, not the middle.
Option B: Yellow is the third color in the rainbow, not the middle.
Option C: Orange is the second color in the rainbow, not the middle.
Option D: Green is the fourth color in the rainbow, which is the middle position.

Mnemonic: ROYGBIV: Remember the acronym for the order of colors in the rainbow.

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General knowledge MCQ - Set 69

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