Q1. What is a natural number?
A. Natural numbers are counting numbers starting from 1.
Q2. Why do we use numbers in daily life?
A. To count, measure, compare, and solve real-life problems.
Q3. What is place value?
A. The value of a digit based on its position in a number.
Q4. What is face value?
A. The actual value of a digit itself.
Q5. What is the smallest natural number?
A. 1
Q6. What is the successor of a number?
A. The number that comes immediately after a given number.
Q7. What is the predecessor of a number?
A. The number that comes immediately before a given number.
Q8. What is addition?
A. Addition is combining two or more numbers.
Q9. What is subtraction?
A. Subtraction is finding the difference between numbers.
Q10. Why is subtraction important in real life?
A. It helps calculate balance, loss, or remaining quantity.
Q11. What is multiplication?
A. Repeated addition of the same number.
Q12. Give a real-life example of multiplication.
A. Buying 5 packets each costing ₹10.
Q13. What is division?
A. Equal sharing or grouping.
Q14. Where do we use division daily?
A. Sharing food, money, or items equally.
Q15. What is a fraction?
A. A part of a whole.
Q16. Why are fractions useful?
A. They represent parts like half, quarter, etc.
Q17. What is a proper fraction?
A. Numerator is smaller than denominator.
Q18. What is an improper fraction?
A. Numerator is greater than or equal to denominator.
Q19. What is a mixed fraction?
A. A whole number combined with a fraction.
Q20. What is a decimal?
A. A fraction written using a decimal point.
Q21. Where are decimals used in real life?
A. Money, weight, measurement.
Q22. What is a line?
A. A straight path extending endlessly in both directions.
Q23. What is a line segment?
A. A line with two fixed endpoints.
Q24. What is an angle?
A. The space between two intersecting lines.
Q25. Why do angles matter?
A. Used in construction, design, and engineering.
Q26. What is a triangle?
A. A polygon with three sides.
Q27. What is a quadrilateral?
A. A polygon with four sides.
Q28. What is a rectangle?
A. A quadrilateral with opposite sides equal and right angles.
Q29. What is a square?
A. A rectangle with all sides equal.
Q30. Why do we learn shapes?
A. To understand objects, space, and design.
Q31. What is perimeter?
A. Total distance around a shape.
Q32. Where is perimeter used?
A. Fencing land or decorating borders.
Q33. What is area?
A. The space covered by a shape.
Q34. Why is area important?
A. Used in flooring, painting, farming.
Q35. What is data?
A. Information collected for analysis.
Q36. What is data handling?
A. Collecting, organizing, and interpreting data.
Q37. What is a bar graph?
A. Graph using bars to show data.
Q38. Why are graphs useful?
A. They make data easy to understand.
Q39. What is estimation?
A. Making a reasonable guess close to the actual value.
Q40. Why is estimation useful?
A. Helps in quick decision making.
Q1. What is science?
A. Science is the study of nature and how things work.
Q2. Why do we study science?
A. To understand the world and solve daily life problems.
Q3. What are living things?
A. Things that grow, breathe, and reproduce.
Q4. What are non-living things?
A. Things that do not grow, breathe, or reproduce.
Q5. What is a cell?
A. The smallest unit of life.
Q6. Who discovered the cell?
A. Robert Hooke.
Q7. Why are cells important?
A. All living organisms are made of cells.
Q8. What is tissue?
A. A group of similar cells doing the same work.
Q9. What is an organ?
A. Different tissues working together.
Q10. What is an organ system?
A. A group of organs working together.
Q11. What is photosynthesis?
A. Process by which plants make food using sunlight.
Q12. Why is sunlight important for plants?
A. It provides energy for making food.
Q13. What do plants need to make food?
A. Sunlight, water, air, and chlorophyll.
Q14. What is chlorophyll?
A. Green pigment in plants that absorbs sunlight.
Q15. Why are plants called producers?
A. They make their own food.
Q16. What are consumers?
A. Living beings that depend on others for food.
Q17. What is a herbivore?
A. An animal that eats plants.
Q18. What is a carnivore?
A. An animal that eats other animals.
Q19. What is an omnivore?
A. An animal that eats both plants and animals.
Q20. What is a food chain?
A. A sequence showing who eats whom.
Q21. Why is the food chain important?
A. It shows energy flow in nature.
Q22. What is habitat?
A. Natural home of a living organism.
Q23. What is adaptation?
A. Special features that help organisms survive.
Q24. Why do camels have humps?
A. To store fat for energy in deserts.
Q25. What is respiration?
A. Process of releasing energy from food.
Q26. Why do we breathe?
A. To take in oxygen and release carbon dioxide.
Q27. What is digestion?
A. Breaking food into simpler substances.
Q28. Why is digestion necessary?
A. To absorb nutrients for energy and growth.
Q29. What is excretion?
A. Removal of waste from the body.
Q30. Why is excretion important?
A. To keep the body healthy.
Q31. What is matter?
A. Anything that has mass and occupies space.
Q32. What are the states of matter?
A. Solid, liquid, and gas.
Q33. Give an example of solid.
A. Stone.
Q34. Give an example of liquid.
A. Water.
Q35. Give an example of gas.
A. Air.
Q36. What is evaporation?
A. Change of liquid into gas.
Q37. Why does evaporation cool things?
A. It absorbs heat from surroundings.
Q38. What is force?
A. A push or pull.
Q39. Why is force important?
A. It helps move or change objects.
Q40. What is energy?
A. Ability to do work.
Q1. What is geography?
A. Geography is the study of Earth's features, people, and places.
Q2. What is a map?
A. A map is a visual representation of an area.
Q3. What is latitude?
A. Latitude is the distance north or south of the Equator.
Q4. What is longitude?
A. Longitude is the distance east or west of the Prime Meridian.
Q5. What is the equator?
A. An imaginary line dividing Earth into Northern and Southern Hemispheres.
Q6. What is a hemisphere?
A. Half of the Earth.
Q7. What is the Prime Meridian?
A. The line of longitude at 0° passing through Greenwich, London.
Q8. What is a continent?
A. A large continuous landmass on Earth.
Q9. Name the continents.
A. Asia, Africa, North America, South America, Antarctica, Europe, Australia.
Q10. What is an ocean?
A. A large body of salt water.
Q11. Name the oceans.
A. Pacific, Atlantic, Indian, Southern, Arctic.
Q12. What is a river?
A. A natural flowing watercourse.
Q13. Name major rivers of the world.
A. Nile, Amazon, Yangtze, Mississippi.
Q14. What is a mountain?
A. A large elevated landform.
Q15. Name major mountain ranges.
A. Himalayas, Rockies, Andes, Alps.
Q16. What is a valley?
A. A low area between hills or mountains.
Q17. What is a plateau?
A. A flat elevated landform.
Q18. What is a desert?
A. A dry, sandy area with very little rainfall.
Q19. Name major deserts.
A. Sahara, Gobi, Kalahari, Thar.
Q20. What is climate?
A. Average weather conditions of a place over a long time.
Q21. What is weather?
A. The state of atmosphere at a particular time and place.
Q22. What is rainfall?
A. Water falling from clouds as rain.
Q23. What is a lake?
A. A large body of water surrounded by land.
Q24. What is a pond?
A. A small body of still water.
Q25. What is a glacier?
A. A large mass of slowly moving ice.
Q26. What is an island?
A. Land surrounded by water.
Q27. What is a peninsula?
A. Land surrounded by water on three sides.
Q28. What is soil?
A. Top layer of earth where plants grow.
Q29. Types of soil?
A. Alluvial, black, red, laterite, desert.
Q30. What is natural vegetation?
A. Plants growing naturally without human intervention.
Q31. What is forest?
A. Large area covered with trees and plants.
Q32. Types of forests?
A. Tropical, temperate, boreal, mangrove.
Q33. What is population?
A. Number of people living in an area.
Q34. What is urban area?
A. A city or town area.
Q35. What is rural area?
A. A village or countryside area.
Q36. What is migration?
A. Movement of people from one place to another.
Q37. What is a desert climate?
A. Hot and dry climate with little rainfall.
Q38. What is a tropical climate?
A. Hot and humid climate with heavy rainfall.
Q39. What is a temperate climate?
A. Moderate climate with distinct seasons.
Q40. What is a polar climate?
A. Cold climate near the poles.
Q41. What is erosion?
A. Wearing away of land by water, wind or ice.
Q42. What is a delta?
A. Landform formed at the mouth of a river.
Q43. What is a bay?
A. A body of water partially enclosed by land.
Q44. What is a strait?
A. A narrow passage connecting two larger bodies of water.
Q45. What is a waterfall?
A. Water falling from a height over rocks.
Q1. What is a computer?
A. A computer is an electronic device that processes data.
Q2. What are the main components of a computer?
A. Input devices, output devices, CPU, memory, and storage.
Q3. What is hardware?
A. The physical parts of a computer.
Q4. What is software?
A. Programs and applications that run on a computer.
Q5. What is CPU?
A. Central Processing Unit, the brain of the computer.
Q6. What is RAM?
A. Random Access Memory, used for temporary storage.
Q7. What is ROM?
A. Read-Only Memory, stores permanent data.
Q8. What is input device?
A. Device used to enter data into a computer, e.g., keyboard.
Q9. What is output device?
A. Device that displays information, e.g., monitor.
Q10. What is storage device?
A. Device that stores data permanently, e.g., hard disk.
Q11. What is software application?
A. Program designed to perform specific tasks.
Q12. What is an operating system?
A. Software that manages computer hardware and software resources.
Q13. Examples of operating systems?
A. Windows, macOS, Linux, Android.
Q14. What is a network?
A. A group of computers connected to share resources.
Q15. What is the internet?
A. Global network connecting millions of computers.
Q16. What is a browser?
A. Software used to access the internet, e.g., Chrome.
Q17. What is a search engine?
A. Tool to find information on the internet, e.g., Google.
Q18. What is email?
A. Electronic method of sending messages online.
Q19. What is malware?
A. Software designed to harm a computer system.
Q20. What is antivirus?
A. Software to protect a computer from viruses.
Q21. What is a computer virus?
A. A program that can damage files or disrupt a computer.
Q22. What is a firewall?
A. Security system that controls network traffic.
Q23. What is cloud computing?
A. Storing and accessing data over the internet.
Q24. What is a file?
A. A collection of data stored on a computer.
Q25. What is a folder?
A. A container used to organize files.
Q26. What is a desktop computer?
A. A personal computer designed to stay in one place.
Q27. What is a laptop?
A. A portable computer.
Q28. What is a tablet?
A. A small touchscreen computer.
Q29. What is a smartphone?
A. A mobile phone with computer-like features.
Q30. What is a printer?
A. Device used to print documents.
Q31. What is a scanner?
A. Device used to convert physical documents to digital form.
Q32. What is a projector?
A. Device that displays images on a large screen.
Q33. What is programming?
A. Writing instructions for a computer to perform tasks.
Q34. What is a programming language?
A. Language used to write programs, e.g., Python.
Q35. What is a spreadsheet?
A. Software used to organize and calculate data.
Q36. What is MS Excel?
A. A spreadsheet program by Microsoft.
Q37. What is a presentation?
A. Software used to create slides, e.g., PowerPoint.
Q38. What is a word processor?
A. Software used to write and edit text documents.
Q39. What is MS Word?
A. A word processing program by Microsoft.
Q40. What is data?
A. Information processed or stored by a computer.
Q41. What is a database?
A. Organized collection of data.
Q42. What is a URL?
A. Uniform Resource Locator, address of a website.
Q43. What is a website?
A. A collection of web pages online.
Q44. What is a web page?
A. A single document on the internet.
Q45. What is HTML?
A. Language used to create web pages.
Q46. What is a hyperlink?
A. A link that connects one web page to another.
Q47. What is a search query?
A. A question or keywords entered in a search engine.
Q48. What is a digital footprint?
A. Information about a person left online.
Q49. What is cyberbullying?
A. Bullying using digital devices.
Q50. What is online safety?
A. Practices to protect yourself on the internet.