General knowledge MCQ – Change your future

891. Choose the best synonym for anxious: [Indian Administrative Service (IAS) Examination-2004]

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

Exam Relevance: Indian Administrative Service (IAS), Civil Services Examination, GRE, TOEFL

Difficulty: Easy

Concept notes: Anxious refers to a feeling of worry, nervousness, or unease about something with an uncertain outcome.

Common Mistakes: Students may confuse "anxious" with positive emotions like happiness or brightness, which are not synonymous.

Explanations: Anxious and nervous are synonymous as both describe a state of unease or worry. The other options do not convey a similar meaning.

Option Analysis:

Option A: Shiny is not related to emotional states and does not convey worry or unease.
Option B: Nervous is the correct synonym for anxious, as both describe a state of unease or worry.
Option C: Bright is not related to emotional states and does not convey worry or unease.
Option D: Happy is a positive emotion and does not convey worry or unease.

Mnemonic: Anxious = Nervous, Not Shiny, Bright, or Happy.

892. Which plant in our solar system is known as the red planet? [Indian Ordnance Factories Service (IOFS) Examination-2001]

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

Exam Relevance: Indian Ordnance Factories Service (IOFS), UPSC, Civil Services

Difficulty: Easy

Concept notes: Mars is often referred to as the "Red Planet" due to its reddish appearance, which is caused by iron oxide (rust) on its surface.

Common Mistakes: Students may confuse Mars with other planets or celestial bodies that have distinct appearances, such as Earth (blue due to water) or Venus (cloud-covered).

Explanations: Mars is known as the "Red Planet" because its surface is covered with iron oxide, commonly known as rust, which gives it a reddish appearance. This distinctive color makes it easily recognizable among the planets in our solar system.

Option Analysis:

Option A: Earth is not known as the red planet; it is often called the "Blue Planet" due to its abundant water.
Option B: The Sun is not a planet and does not have a red appearance; it is a star that emits light across the spectrum.
Option C: Mars is correctly identified as the red planet due to its reddish surface caused by iron oxide.
Option D: This option is incorrect as Mars is the correct answer.

Mnemonic: Red Rusty Rock: Mars

893. Which was first virus detected on ARPANET, the forerunner of the internet in the early 1970s? [National Council for Research Education Training and (NCERT) Examination-1994]

Correct Answer: Correct answer is: (B) Creeper Virus.

Exam Relevance: UPSC, GATE, GRE, CSAT

Difficulty: Moderate

Concept notes: The Creeper Virus is recognized as one of the earliest known computer viruses, detected on ARPANET in the early 1970s.

Common Mistakes: Students may confuse the Creeper Virus with other early computer viruses or malware, such as the Peeper Virus or the concept of trojan horses.

Explanations: The Creeper Virus was an experimental self-replicating program that spread across ARPANET, the precursor to the modern internet. It was designed to demonstrate the concept of a mobile application and was not intended to cause harm. However, it is considered the first computer virus due to its ability to self-replicate and move from one computer to another. This makes it a significant milestone in the history of computer viruses and cybersecurity.

Option Analysis:

Option A: Exe File is not a virus but a file extension for executable files in Windows operating systems.
Option B: Creeper Virus is the correct answer as it was the first virus detected on ARPANET in the early 1970s.
Option C: Peeper Virus is not a known virus from the early 1970s; it is a distractor option.
Option D: Trozen horse is a misspelling of "Trojan horse," which is a type of malware but not the first virus detected on ARPANET.

Mnemonic: Creeper Crawls, ARPANET's First

894. What founding father fought at Ft. Duquesne when he was a young soldier? [West Bengal Postal Department Examination-1997]

Correct Answer: Correct answer is: (D) George Washington.

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

Difficulty: Moderate

Concept notes: George Washington fought at Fort Duquesne during the French and Indian War when he was a young soldier.

Common Mistakes: Students may confuse the historical events and the roles of different founding fathers.

Explanations: George Washington, as a young officer, was involved in the Battle of Fort Duquesne in 1754 during the French and Indian War. This battle was a significant event in his early military career and marked the beginning of his involvement in conflicts that would later shape the United States. The other founding fathers listed did not have direct involvement in this specific battle.

Option Analysis:

Option A: Benjamin Franklin was a diplomat and statesman, not a soldier in the French and Indian War.
Option B: Thomas Jefferson was a political philosopher and statesman, not a soldier in the French and Indian War.
Option C: Alexander Hamilton was born in 1755, after the Battle of Fort Duquesne in 1754, and did not participate in this battle.
Option D: George Washington was a young soldier who fought at Fort Duquesne during the French and Indian War.

Mnemonic: GWB: George Washington, Battle of Fort Duquesne

895. Match the dances with there countries : Gumboot Dance [Karnataka TET Examination-1988]

Correct Answer: Correct answer is: (B) South Africa.

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

Difficulty: Easy

Concept notes: The Gumboot Dance is a traditional dance form that originated in the gold mines of South Africa.

Common Mistakes: Students might confuse the Gumboot Dance with other traditional dances from different countries.

Explanations: The Gumboot Dance originated in the gold mines of South Africa during the 19th century. Miners developed this dance as a form of communication and expression in the oppressive conditions of the mines. The dance involves rhythmic movements and stomping, often performed in wellington boots, hence the name "Gumboot Dance."

Option Analysis:

Option A: England is not the origin of the Gumboot Dance.
Option B: South Africa is the correct origin of the Gumboot Dance.
Option C: Yemen is not associated with the Gumboot Dance.
Option D: Peru is not the origin of the Gumboot Dance.

Mnemonic: Gumboot - Gold Mines - South Africa

896. .Who wrote 'The autobiography of an Unknown Indian? [Karnataka PSC Examination-2015]

Correct Answer: Correct answer is: (B) Nirad C. Chaudhari.

Exam Relevance: UPSC, PSC, SSC, Civil Services

Difficulty: Moderate

Concept notes: Nirad C. Chaudhari is known for his literary works that provide insights into Indian society and culture. 'The Autobiography of an Unknown Indian' is one of his notable works.

Common Mistakes: Students may confuse Nirad C. Chaudhari with other Indian authors such as R.K. Narayan or Salman Rushdie, who are also well-known for their literary contributions.

Explanations: Nirad C. Chaudhari wrote 'The Autobiography of an Unknown Indian.' This book is a memoir that reflects on the author's life and the broader social and cultural changes in India during the early 20th century. The book is a significant work in understanding the complexities of Indian society and the author's personal experiences.

Option Analysis:

Option A: Mahatma Gandhi is known for his political and philosophical contributions to India's independence movement, not for writing autobiographies.
Option B: Nirad C. Chaudhari is the correct author of 'The Autobiography of an Unknown Indian.'
Option C: Salman Rushdie is known for his novels such as 'Midnight's Children,' not for writing autobiographies.
Option D: R.K. Narayan is known for his novels set in the fictional town of Malgudi, not for writing autobiographies.

Mnemonic: Nirad's Narrative, Not Narayan's

897. AIDS disease in human being is caused by [General Knowledge for Kotak Mahindra Bank Examination-2009]

Correct Answer: Correct answer is: (A) HIV (virus).

Exam Relevance: Kotak Mahindra Bank Examination, UPSC, SSC, Banking Exams

Difficulty: Very Easy

Concept notes: AIDS, or Acquired Immunodeficiency Syndrome, is caused by the Human Immunodeficiency Virus (HIV).

Common Mistakes: Students may confuse AIDS with other diseases caused by fungi or insects.

Explanations: AIDS is a syndrome caused by the HIV virus, which attacks the immune system, leading to severe health complications and eventually death if left untreated. The virus is transmitted through bodily fluids such as blood, semen, vaginal fluids, and breast milk.

Option Analysis:

Option A: Correct. HIV is the virus that causes AIDS.
Option B: Incorrect. AIDS is not caused by a fungus.
Option C: Incorrect. AIDS is not caused by insects.
Option D: Incorrect. HIV is the correct cause of AIDS.

Mnemonic: HIV AIDS: Human Immunodeficiency Virus Attacks Immune System

898. The blood pressure of a young male human being is

Correct Answer: Correct answer is: (B) 120/80.

Exam Relevance: GRE, MCAT, USMLE, NCLEX

Difficulty: Easy

Concept notes: The normal blood pressure range for a young, healthy adult is typically around 120/80 mmHg.

Common Mistakes: Students may confuse the systolic (top number) and diastolic (bottom number) values or may not be familiar with the standard range for healthy adults.

Explanations: The blood pressure of a young male human being is generally considered normal at 120/80 mmHg. This value represents the systolic pressure (120 mmHg) and the diastolic pressure (80 mmHg). Systolic pressure is the pressure in the arteries when the heart beats, and diastolic pressure is the pressure in the arteries between heartbeats. This range is widely accepted as the standard for healthy adults.

Option Analysis:

Option A: 110/70 is slightly lower than the normal range and may indicate low blood pressure.
Option B: 120/80 is the correct answer as it represents the normal blood pressure range for a young, healthy adult.
Option C: 135/90 is considered prehypertensive and may indicate the beginning of high blood pressure.
Option D: 140/100 is considered hypertensive and indicates high blood pressure.

Mnemonic: Systolic 120, Diastolic 80, Normal and Healthy

899. Consider the following Statements: Scientists do not agree as to how and when people entered the Western Hemisphere. Light is not a source of energy. A snake thrusts its body from side to side in S- shaped movement to push itself forward. Which of the following statement(s) is/are true? [Karnataka TET Examination-2001]

Correct Answer: Correct answer is: (D) Only 1, 3.

Exam Relevance: UPSC, GRE, GMAT

Difficulty: Moderate

Concept notes: The question tests knowledge of historical and biological facts.

Common Mistakes: Students may incorrectly assume that light is a source of energy, which is a common misconception.

Explanations: Statement 1 is true because there is ongoing debate among scientists about the exact methods and timing of human migration into the Western Hemisphere. Statement 2 is false because light is indeed a form of energy. Statement 3 is true as snakes use an S-shaped movement to propel themselves forward by pushing against the ground.

Option Analysis:

Option A: Incorrect because statement 2 is false.
Option B: Incorrect because statement 2 is false.
Option C: Incorrect because statement 2 is false.
Option D: Correct because statements 1 and 3 are true.

900. What is the name of the currency used in Australia? [Sikkim Police Examination-2015]

Correct Answer: Correct answer is: (B) Australian Dollar.

Exam Relevance: Sikkim Police Examination, Civil Service Exams, Bank Exams

Difficulty: Very Easy

Concept notes: The Australian Dollar is the official currency of Australia.

Common Mistakes: Students may confuse the Australian Dollar with other currencies like the Australian Pound, which is not in use.

Explanations: Australia uses the Australian Dollar as its official currency. The Australian Dollar is denoted by the symbol AUD and is the only legal tender in Australia.

Option Analysis:

Option A: The Australian Pound is not a real currency. Australia does not use the Pound as its official currency.
Option B: The Australian Dollar is the correct currency used in Australia.
Option C: The Australian Euro is not a real currency. Australia does not use the Euro.
Option D: The Australian Kroner is not a real currency. Australia does not use the Kroner.

Mnemonic: AUD for Australia, Dollar Used.

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General knowledge MCQ - Set 90

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