General knowledge MCQ – Change your future

831. For advanced countries such as the United States, tariffs on imported raw materials tend to be [Haryana Forest Department Examination-2012]

Correct Answer: Correct answer is: (C) Lower than tariffs on imported manufactured goods.

Exam Relevance: UPSC, GRE, GMAT, CFA

Difficulty: Moderate

Concept notes: Tariffs on imported raw materials are generally lower in advanced countries like the United States compared to tariffs on imported manufactured goods.

Common Mistakes: Students may mistakenly believe that tariffs on raw materials are higher to protect domestic industries.

Explanations: Advanced countries such as the United States often impose lower tariffs on imported raw materials to keep production costs low for domestic manufacturers. This allows domestic industries to access cheaper raw materials, which can enhance their competitiveness. In contrast, tariffs on imported manufactured goods are typically higher to protect domestic industries from foreign competition. This policy helps to maintain a balance between encouraging domestic production and ensuring that domestic industries are not disadvantaged by cheaper foreign goods.

Option Analysis:

Option A: Incorrect because tariffs on raw materials are not the highest.
Option B: Incorrect because tariffs on raw materials are not equal to those on manufactured goods.
Option C: Correct because tariffs on raw materials are lower than those on manufactured goods.
Option D: Incorrect because tariffs on raw materials are not higher than those on manufactured goods.

832. What is the hand size in inches, for a horse [High Court Kerala Examination-1999]

Correct Answer: Correct answer is: (B) 4.

Exam Relevance: GRE, GMAT, Civil Services Exam, Bank PO

Difficulty: Easy

Concept notes: The hand is a unit of measurement used to measure the height of horses. One hand is equal to 4 inches.

Common Mistakes: Students may confuse the measurement of a hand with other units of measurement, such as centimeters or feet.

Explanations: The hand is a traditional unit of measurement used specifically for the height of horses. One hand is defined as 4 inches. This unit is commonly used in equestrian contexts to describe the height of a horse from the ground to the withers (the highest point on the horse's back, where the neck meets the horse).

Option Analysis:

Option A: 3 inches is incorrect as it does not match the standard measurement of a hand.
Option B: 4 inches is the correct measurement for one hand.
Option C: 5 inches is incorrect as it exceeds the standard measurement of a hand.
Option D: 7 inches is incorrect as it is significantly larger than the standard measurement of a hand.

833. Which is the world's tallest building? [OSSC Examination-1984]

Correct Answer: Correct answer is: (B) Burj Khalifa (Dubai).

Exam Relevance: OSSC, UPSC, GRE, GMAT

Difficulty: Easy

Concept notes: The Burj Khalifa in Dubai is the world's tallest building, standing at 828 meters (2,717 feet) tall.

Common Mistakes: Students may confuse the Empire State Building or Shanghai Tower as the tallest, as they are also well-known skyscrapers.

Explanations: The Burj Khalifa, located in Dubai, United Arab Emirates, was completed in 2010 and has held the title of the world's tallest building since then. It stands at 828 meters (2,717 feet) tall, significantly surpassing other skyscrapers like the Empire State Building (443 meters) and Shanghai Tower (632 meters).

Option Analysis:

Option A: The Empire State Building is a famous skyscraper in New York, but it is not the tallest building in the world.
Option B: The Burj Khalifa is the tallest building in the world, standing at 828 meters tall.
Option C: The Shanghai Tower is a very tall building, but it is not the tallest in the world, standing at 632 meters.
Option D: The Eiffel Tower is a famous landmark in Paris, but it is not a building and is not the tallest structure in the world.

Mnemonic: B for Burj, B for Biggest.

834. Convergent boundaries are when..... [SSC JE Examination-1988]

Correct Answer: Correct answer is: (B) Boundaries collide or move toward.

Exam Relevance: SSC JE, GATE, UPSC

Difficulty: Easy

Concept notes: Convergent boundaries are areas on Earth where tectonic plates move towards each other and collide.

Common Mistakes: Students may confuse convergent boundaries with divergent boundaries, where plates move apart.

Explanations: Convergent boundaries are characterized by the collision and movement of tectonic plates towards each other. This process can lead to the formation of mountain ranges, volcanic activity, and subduction zones. The correct answer reflects the definition of convergent boundaries where plates collide or move toward each other.

Option Analysis:

Option A: This describes divergent boundaries, where plates move away from each other.
Option B: This correctly describes convergent boundaries, where plates collide or move toward each other.
Option C: This describes transform boundaries, where plates slide past each other.
Option D: This is not a valid option as it does not describe any type of boundary.

835. Radiocarbon is produced in the atmosphere as a result of [SSC MTS Examination-2017]

Correct Answer: Correct answer is: (C) Collision between fast neutrons and nitrogen nuclei present in the atmosphere.

Exam Relevance: SSC MTS, UPSC, IAS, Civil Services

Difficulty: Moderate

Concept notes: Radiocarbon, or carbon-14, is produced in the atmosphere through a specific nuclear reaction involving fast neutrons and nitrogen nuclei.

Common Mistakes: Students may confuse the production of radiocarbon with other atmospheric processes such as lightning or ultraviolet light action.

Explanations: Radiocarbon (carbon-14) is formed when fast neutrons, produced by cosmic rays, collide with nitrogen-14 nuclei in the atmosphere. This collision results in the conversion of nitrogen-14 into carbon-14. The fast neutrons are a result of the interaction of cosmic rays with the upper atmosphere. This process is a key part of the radiocarbon dating method used in archaeology and geology.

Option Analysis:

Option A: Lightning discharge does not produce radiocarbon. It is a common misconception that lightning could be a source of radiocarbon production.
Option B: Ultraviolet light from the sun does not produce radiocarbon. This option is incorrect as UV light does not have the energy to initiate the necessary nuclear reaction.
Option C: Collision between fast neutrons and nitrogen nuclei is the correct process for radiocarbon production in the atmosphere.
Option D: Solar radiations, particularly cosmic rays, initiate the process but do not directly produce radiocarbon. The actual production involves the collision of fast neutrons with nitrogen nuclei.

836. KMnO4 can be used as a/an [General Knowledge for ESIC Examination-1992]

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

Exam Relevance: ESIC Examination, UPSC, SSC

Difficulty: Easy

Concept notes: Potassium permanganate (KMnO4) is commonly used as a disinfectant due to its strong oxidizing properties.

Common Mistakes: Students may confuse the use of KMnO4 with its other applications, such as in chemical reactions or as a reagent in laboratories.

Explanations: KMnO4 is a strong oxidizing agent that can kill bacteria and fungi, making it effective as a disinfectant. It is often used to clean wounds, sterilize medical equipment, and purify water.

Option Analysis:

Option A: KMnO4 is not used as a fertiliser. Fertilisers provide nutrients to plants, whereas KMnO4 is primarily used for its oxidizing properties.
Option B: KMnO4 is not typically used as an insecticide. Insecticides are designed to control or kill insects, and KMnO4 is not specifically formulated for this purpose.
Option C: KMnO4 is used as a disinfectant due to its strong oxidizing properties, which can kill bacteria and fungi.
Option D: KMnO4 is not commonly used as a pesticide. Pesticides are used to control pests, and while KMnO4 can have some antimicrobial effects, it is not typically used for pest control.

Mnemonic: Disinfectant: "Disinfect with Potassium Permanganate"

837. What natural feature isolated the Indian subcontinent from the rest of Asia? [Assam Secretariat Examination-2002]

Correct Answer: Correct answer is: (D) The Himalayas and Hindu Kush mountain ranges.

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

Difficulty: Moderate

Concept notes: The Himalayas and Hindu Kush mountain ranges form a natural barrier that isolates the Indian subcontinent from the rest of Asia.

Common Mistakes: Students may mistakenly think that the Indian Ocean or the monsoon climate are the primary isolating factors.

Explanations: The Himalayas and Hindu Kush mountain ranges are the highest and most extensive mountain systems in the world. They act as a natural barrier, preventing easy access to and from the Indian subcontinent. This geographical feature has historically contributed to the relative isolation of the Indian subcontinent from the rest of Asia, influencing its cultural, political, and ecological development.

Option Analysis:

Option A: The Indian Ocean is a body of water surrounding the Indian subcontinent but does not form a significant barrier to land-based movement.
Option B: The Indus River Valley is an important geographical feature but does not serve as a significant barrier to the Indian subcontinent.
Option C: The monsoon is a seasonal weather pattern and does not act as a physical barrier.
Option D: The Himalayas and Hindu Kush mountain ranges are the correct answer as they form a natural barrier that isolates the Indian subcontinent from the rest of Asia.

Mnemonic: H-H: Himalayas-Hindu Kush, High and Hard

838. Which of the following term is not used in insurance sector? [APPSC Examination-1983]

Correct Answer: Correct answer is: (D) Misuse Alert.

Exam Relevance: UPSC, APPSC, SSC, Banking Exams

Difficulty: Easy

Concept notes: In the insurance sector, terms like casualty, coverage, and indemnity are commonly used. Misuse Alert is not a term typically associated with the insurance industry.

Common Mistakes: Students might confuse "Misuse Alert" with terms related to fraud detection or policy violations, which are relevant but not the same.

Explanations: Casualty refers to insurance for injuries or damages to third parties. Coverage indicates the scope of protection provided by an insurance policy. Indemnity is the compensation for a loss or damage. Misuse Alert, however, is not a recognized term in the insurance sector.

Option Analysis:

Option A: Casualty is a term used in insurance for policies covering injuries or damages to third parties.
Option B: Coverage refers to the extent of protection provided by an insurance policy.
Option C: Indemnity is the compensation provided by an insurance policy for a loss or damage.
Option D: Misuse Alert is not a term used in the insurance sector.

839. What type of creature is a snake? [CDS Examination-2015]

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

Exam Relevance: CDS Examination, UPSC, SSC

Difficulty: Very Easy

Concept notes: Snakes are classified as reptiles due to their cold-blooded nature, scaly skin, and egg-laying reproduction.

Common Mistakes: Students may confuse snakes with amphibians, which also have cold-blooded characteristics but have smooth, moist skin and typically lay eggs in water.

Explanations: Snakes are reptiles because they possess key reptilian traits such as being cold-blooded, having scaly skin, and laying eggs. These characteristics distinguish them from amphibians, mammals, and birds.

Option Analysis:

Option A: Amphibians have smooth, moist skin and typically lay eggs in water, which is not true for snakes.
Option B: Reptiles are cold-blooded, have scaly skin, and lay eggs, which accurately describes snakes.
Option C: Mammals are warm-blooded, have hair or fur, and typically give live birth, which does not apply to snakes.
Option D: Birds are warm-blooded, have feathers, and lay eggs, which does not apply to snakes.

840. Which of the following is not a tributary of the Krishna? [General Knowledge for IBPS SO (NABARD) Examination-2021]

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

Exam Relevance: IBPS SO, NABARD, UPSC, SSC

Difficulty: Easy

Concept notes: The tributaries of the Krishna River include the Tungabhadra, Malaprabha, and Ghataprabha. The Amravati is not a tributary of the Krishna.

Common Mistakes: Students may confuse the Amravati with other rivers in the region, such as the Godavari, which has tributaries like the Pranhita.

Explanations: The Krishna River has several major tributaries, including the Tungabhadra, Malaprabha, and Ghataprabha. These rivers join the Krishna and contribute to its flow. The Amravati, however, is not a tributary of the Krishna. It is a river in the state of Maharashtra, which flows into the Arabian Sea.

Option Analysis:

Option A: Tungabhadra is a major tributary of the Krishna River.
Option B: Malaprabha is a major tributary of the Krishna River.
Option C: Ghataprabha is a major tributary of the Krishna River.
Option D: Amravati is not a tributary of the Krishna River.

Mnemonic: T-MG: Tungabhadra, Malaprabha, Ghataprabha (Tributaries of Krishna)

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General knowledge MCQ - Set 84

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