Essential Knowledge and Common Facts: A Guide for Learners and Curious Mind

1. What is the full meaning of POS?

  • Answer: Point of Sale
  • Explanation: A POS system is where customers pay for products or services at a store. For example, in retail shops, POS refers to the checkout counters where transactions are completed.

2. ATM stands for?

  • Answer: Automated Teller Machine
  • Explanation: ATMs allow people to withdraw or deposit cash and perform other banking transactions without needing a teller.

3. The largest river in the world is?

  • Answer: Nile River
  • Explanation: The Nile, mainly in Egypt and Sudan, is often considered the longest river, stretching over 6,650 km (4,130 miles).

4. What does SARS mean?

  • Answer: Special Anti-Robbery Squad
  • Explanation: SARS was a Nigerian police unit created to tackle armed robbery and violent crimes.

5. Animals that give birth to their young ones are called?

  • Answer: Mammals
  • Explanation: Mammals, like humans, dogs, and whales, give birth to live young and typically have fur or hair and produce milk to feed their young.

6. SIM means?

  • Answer: Subscriber Identity Module
  • Explanation: A SIM card is a small chip in mobile devices that stores information about the subscriber and allows them to access network services.

7. What part of the computer shows pictures?

  • Answer: Monitor
  • Explanation: The monitor displays the output (text, images, and videos) of a computer system, functioning like a television screen.

8. How many oceans are in the world?

  • Answer: 5
  • Explanation: The world’s five oceans are the Pacific, Atlantic, Indian, Southern, and Arctic Oceans.

9. Who is the father of computer?

  • Answer: Charles Babbage
  • Explanation: Charles Babbage designed the first mechanical computer, which laid the foundation for more complex computing.

10. The two holes of the nose are called?

  • Answer: Nostrils
  • Explanation: Nostrils are the openings in the nose that allow air to enter for breathing.

11. Who invented the light bulb?

  • Answer: Thomas Edison
  • Explanation: Edison improved the electric light bulb, making it a practical and long-lasting source of light.

12. How many books make up the Bible?

  • Answer: 66
  • Explanation: The Bible contains 66 books—39 in the Old Testament and 27 in the New Testament.

13. A set of furniture and rooms are called?

  • Answer: Suite
  • Explanation: A suite typically refers to a set of connected rooms, such as in a hotel or large office.

14. How many minutes are there in a week?

  • Answer: 10,080
  • Explanation: There are 7 days in a week, and each day has 1,440 minutes (24 hours x 60 minutes).

15. Which animal never drinks water?

  • Answer: Kangaroo rat
  • Explanation: This desert animal gets moisture from the food it eats and does not drink water.

16. A set of drawers is called?

  • Answer: Chest of drawers
  • Explanation: This is a piece of furniture with multiple drawers for storing clothes and other items.

17. The process by which green plants make their food in sunlight is?

  • Answer: Photosynthesis
  • Explanation: During photosynthesis, plants use sunlight, water, and carbon dioxide to create food and release oxygen.

18. A dozen equals?

  • Answer: 12
  • Explanation: A dozen is a group of 12 items, commonly used for counting eggs, donuts, and other items.

19. A gross is?

  • Answer: 144
  • Explanation: A gross is 144 items (12 dozen), often used for bulk quantities.

20. A score equals?

  • Answer: 20
  • Explanation: A score refers to 20 units, famously used in historical contexts (e.g., “Four score and seven years ago”).

21. A decade is?

  • Answer: 10 years
  • Explanation: A period of ten years is known as a decade.

22. A century is?

  • Answer: 100 years
  • Explanation: A century is a period of 100 years.

23. A millennium is?

  • Answer: 1,000 years
  • Explanation: A millennium is a period of 1,000 years.

24. A fortnight is?

  • Answer: 14 days or two weeks
  • Explanation: Commonly used in British English, a fortnight means two weeks.

25. What is the meaning of ASAP?

  • Answer: As Soon As Possible
  • Explanation: ASAP is used to request prompt action.

26. Which country is known as the Giant of Africa?

  • Answer: Nigeria
  • Explanation: Nigeria is called the “Giant of Africa” due to its large population and economy.

27. A female ram is called?

  • Answer: Ewe
  • Explanation: In sheep, the male is called a ram, while the female is called a ewe.

28. A spider lives in a?

  • Answer: Web
  • Explanation: Spiders spin webs to trap insects for food.

29. What is matter?

  • Answer: Matter is anything that has weight and occupies space.
  • Explanation: Matter includes all physical objects and substances, like air, water, and rocks.

30. What are the three states of matter?

  • Answer: Solid, Liquid, and Gas
  • Explanation: Matter can exist as solid (ice), liquid (water), or gas (water vapor).

31. How many dots appear on a pair of dice?

  • Answer: 42
  • Explanation: A single die has 21 dots (1+2+3+4+5+6), so two dice have 42.

32. To “rain cats and dogs” means?

  • Answer: To rain heavily
  • Explanation: This phrase is a way to describe very heavy rain.

33. A young one of a ram is called?

  • Answer: Lamb
  • Explanation: The offspring of a sheep (both ewe and ram) is called a lamb.

34. To “smell a rat” means?

  • Answer: To suspect something wrong
  • Explanation: This idiom means sensing that something is not right.

35. A female fox is called?

  • Answer: Vixen
  • Explanation: In foxes, the male is a dog, and the female is a vixen.

36. Which animal sleeps while walking?

  • Answer: Horse
  • Explanation: Horses can sleep standing up due to their strong leg muscles and tendons.

37. “With flying colors” means?

  • Answer: With great success
  • Explanation: This phrase often refers to passing an exam or achieving something exceptionally well.

38. To “be in the black” means?

  • Answer: To have money in one’s bank account
  • Explanation: It’s a business term meaning profitability or positive balance.

39. “In black and white” means?

  • Answer: In writing or print form
  • Explanation: Often used to indicate that something is clearly documented.

40. Who is a professional cook?

  • Answer: Chef
  • Explanation: A chef is skilled in preparing food and may work in restaurants, hotels, or other culinary establishments.

This list provides clear explanations, examples, and formatting for improved readability and understanding.

Here’s a detailed set of questions for the topic, including fill-in-the-blank questions with options, FAQs with answers, and evaluation questions to assess understanding.


15 Fill-in-the-Blank Questions (with options)

  1. POS stands for ______.
    a) Payment of Services
    b) Point of Sale
    c) Personal Online System
    d) Public Ordering Service
  2. The largest river in the world is the ______.
    a) Amazon River
    b) Mississippi River
    c) Nile River
    d) Yangtze River
  3. ATM stands for ______.
    a) Automated Teller Machine
    b) Automated Ticket Machine
    c) Account Transaction Machine
    d) Automatic Transfer Machine
  4. Animals that give birth to live young are called ______.
    a) Birds
    b) Mammals
    c) Reptiles
    d) Amphibians
  5. SIM stands for ______.
    a) Subscriber Identification Module
    b) System Identification Machine
    c) Signal Information Monitor
    d) Subscriber Internet Module
  6. The device that displays images on a computer is called the ______.
    a) CPU
    b) Keyboard
    c) Monitor
    d) Mouse
  7. The animal known for not drinking water directly is the ______.
    a) Camel
    b) Kangaroo rat
    c) Elephant
    d) Horse
  8. The two holes in the nose are called ______.
    a) Eyes
    b) Ears
    c) Nostrils
    d) Lips
  9. The process by which plants make food using sunlight is called ______.
    a) Respiration
    b) Evaporation
    c) Photosynthesis
    d) Digestion
  10. A period of ten years is called a ______.
    a) Century
    b) Decade
    c) Millennium
    d) Fortnight
  11. The person known as the “Father of Computers” is ______.
    a) Isaac Newton
    b) Albert Einstein
    c) Charles Babbage
    d) Thomas Edison
  12. The three states of matter are ______.
    a) Solid, gas, and ice
    b) Solid, liquid, and gas
    c) Water, air, and fire
    d) Sand, water, and stone
  13. A dozen refers to ______ items.
    a) 10
    b) 15
    c) 12
    d) 20
  14. The expression “raining cats and dogs” means ______.
    a) Light rain
    b) Drizzling rain
    c) Heavy rain
    d) Misty rain
  15. The female counterpart of a ram is called a ______.
    a) Doe
    b) Lamb
    c) Ewe
    d) Foal

15 Frequently Asked Questions (FAQs) with Answers

  1. What is the meaning of POS?
    • POS stands for “Point of Sale,” which is the place or system where sales transactions occur.
  2. What does ATM stand for, and what is its function?
    • ATM stands for “Automated Teller Machine,” a machine used for banking transactions like withdrawals and deposits.
  3. Which river is the longest in the world?
    • The Nile River is often considered the longest river, though there is debate with the Amazon River depending on measurement methods.
  4. What does SARS stand for?
    • SARS stands for “Special Anti-Robbery Squad,” a law enforcement unit focused on anti-robbery operations.
  5. Why are some animals called mammals?
    • Animals called mammals give birth to live young, produce milk for their young, and usually have hair or fur.
  6. What is the purpose of a SIM card in a mobile phone?
    • A SIM (Subscriber Identification Module) card holds the user’s information, enabling network access and communication.
  7. What part of the computer displays information?
    • The monitor displays information, such as text and images, on the computer.
  8. How many oceans are there in the world?
    • There are five oceans: the Pacific, Atlantic, Indian, Southern, and Arctic Oceans.
  9. Who is considered the father of computers?
    • Charles Babbage is considered the father of computers due to his early designs for mechanical computing machines.
  10. What are the two holes in the nose called?
    • The two openings in the nose are called nostrils, allowing air passage for breathing.
  11. Who invented the light bulb?
    • Thomas Edison is credited with inventing the practical, long-lasting electric light bulb.
  12. How many books are there in the Bible?
    • There are 66 books in the Bible, with 39 in the Old Testament and 27 in the New Testament.
  13. What is photosynthesis?
    • Photosynthesis is the process by which green plants make food using sunlight, water, and carbon dioxide.
  14. What is meant by the term “gross”?
    • A “gross” is a term representing 144 items, commonly used in bulk sales.
  15. What does “ASAP” stand for, and when is it used?
    • ASAP stands for “As Soon As Possible,” used when something needs immediate or prompt action.

10 Evaluation Questions

  1. Explain the purpose of a POS system in a business environment.
  2. Describe the function of an ATM and list two common transactions people can perform on it.
  3. Identify the longest river in the world and its importance to local ecosystems.
  4. Define the term “mammals” and give three examples of mammals.
  5. What does a SIM card do in a mobile phone?
  6. Name the device on a computer that shows pictures and text.
  7. What is unique about the way the kangaroo rat stays hydrated?
  8. Describe the process of photosynthesis and its importance to plant life.
  9. Differentiate between a decade, a century, and a millennium.
  10. Who is Charles Babbage, and why is he significant in the history of computers?

These questions and explanations aim to provide a comprehensive understanding of essential general knowledge topics for students.