Q1. What are integers?
A. Whole numbers including positive, negative numbers and zero.
Q2. What is a prime number?
A. A number greater than 1 with only two factors: 1 and itself.
Q3. What is a composite number?
A. A number with more than two factors.
Q4. What is the greatest common divisor (GCD)?
A. The largest number that divides two or more numbers exactly.
Q5. What is the least common multiple (LCM)?
A. The smallest number divisible by two or more numbers.
Q6. What is a fraction?
A. A part of a whole, represented as numerator/denominator.
Q7. What is a decimal?
A. A number with a fractional part separated by a decimal point.
Q8. What is a percentage?
A. A fraction out of 100.
Q9. What is ratio?
A. A comparison of two quantities.
Q10. What is proportion?
A. An equation stating two ratios are equal.
Q11. What is algebra?
A. Mathematical expressions with variables and constants.
Q12. What is a variable?
A. A symbol representing an unknown value.
Q13. What is an equation?
A. A statement showing two expressions are equal.
Q14. What is an inequality?
A. A statement comparing two expressions using >, <, โฅ, โค.
Q15. What is a coefficient?
A. A number multiplied by a variable in an expression.
Q16. What is a linear equation?
A. An equation where the variable's power is 1.
Q17. What is a quadratic equation?
A. An equation where the variable's power is 2.
Q18. What is a square root?
A. A number which when multiplied by itself gives the original number.
Q19. What is a cube root?
A. A number which when cubed gives the original number.
Q20. What is factorization?
A. Expressing a number or expression as a product of factors.
Q21. What is geometry?
A. The branch of mathematics dealing with shapes and sizes.
Q22. What is a point?
A. A location in space without length, width, or height.
Q23. What is a line?
A. A straight one-dimensional figure with no endpoints.
Q24. What is a line segment?
A. A part of a line with two endpoints.
Q25. What is a ray?
A. A line with one endpoint and extends infinitely in one direction.
Q26. What is an angle?
A. The space between two intersecting lines or rays.
Q27. Types of angles?
A. Acute, right, obtuse, straight, reflex.
Q28. What is a triangle?
A. A polygon with three sides and three angles.
Q29. Types of triangles?
A. Equilateral, isosceles, scalene, right-angled.
Q30. What is a quadrilateral?
A. A polygon with four sides and four angles.
Q31. Types of quadrilaterals?
A. Square, rectangle, parallelogram, rhombus, trapezium.
Q32. What is perimeter?
A. The total distance around a shape.
Q33. What is area?
A. The space occupied by a shape.
Q34. What is volume?
A. The space occupied by a 3D object.
Q35. What is a circle?
A. A set of points equidistant from a center point.
Q36. What is radius?
A. Distance from center to any point on the circle.
Q37. What is diameter?
A. Distance across the circle passing through the center.
Q38. What is circumference?
A. The distance around the circle.
Q39. Formula for circumference?
A. 2 ร ฯ ร radius.
Q40. Formula for area of circle?
A. ฯ ร radiusยฒ.
Q41. What is a polygon?
A. A closed figure with straight sides.
Q42. What is a regular polygon?
A. A polygon with all sides and angles equal.
Q43. What is an irregular polygon?
A. A polygon with sides or angles unequal.
Q44. What is a solid shape?
A. A three-dimensional object.
Q45. Examples of solid shapes?
A. Cube, cuboid, sphere, cylinder, cone, prism.
Q46. What is a line of symmetry?
A. A line dividing a shape into two identical parts.
Q47. What is reflection?
A. Flipping a shape over a line of symmetry.
Q48. What is rotation?
A. Turning a shape around a fixed point.
Q49. What is translation?
A. Moving a shape without rotating or flipping it.
Q50. What is a pattern?
A. A repeated design or sequence in math.
Q1. What is nutrition?
A. Nutrition is the process by which organisms obtain and use food for growth and energy.
Q2. Why do living organisms need food?
A. They need food for energy, growth, repair, and maintaining body functions.
Q3. What is photosynthesis?
A. Photosynthesis is the process by which green plants make food using sunlight, carbon dioxide, and water.
Q4. Which pigment helps plants absorb sunlight?
A. Chlorophyll.
Q5. What are nutrients?
A. Nutrients are substances in food that provide energy and materials for growth.
Q6. Name the main types of nutrients.
A. Carbohydrates, proteins, fats, vitamins, and minerals.
Q7. What is respiration?
A. Respiration is the process of releasing energy from food.
Q8. Why is oxygen important for living beings?
A. Oxygen helps in breaking down food to release energy.
Q9. What is digestion?
A. Digestion is the process of breaking down food into simpler substances.
Q10. Which organ pumps blood in the human body?
A. Heart.
Q11. What is blood made of?
A. Blood is made of plasma, red blood cells, white blood cells, and platelets.
Q12. Why are bones important?
A. Bones give shape, support, and protect internal organs.
Q13. What is a habitat?
A. A habitat is the natural home of an organism.
Q14. What are adaptations?
A. Adaptations are special features that help organisms survive in their environment.
Q15. What is heat?
A. Heat is a form of energy that causes objects to become warm.
Q16. What is temperature?
A. Temperature tells how hot or cold an object is.
Q17. What are acids?
A. Acids are substances that taste sour and turn blue litmus red.
Q18. What are bases?
A. Bases are substances that taste bitter and turn red litmus blue.
Q19. What is physical change?
A. A physical change is a change in which no new substance is formed.
Q20. What is chemical change?
A. A chemical change is a change in which a new substance is formed.
Q1. What is a computer?
A. A computer is an electronic machine that processes data and produces meaningful information.
Q2. What are the main parts of a computer system?
A. Input devices, processing unit (CPU), and output devices.
Q3. What is hardware?
A. Hardware refers to the physical parts of a computer that we can see and touch.
Q4. What is software?
A. Software is a set of instructions that tells the computer what to do.
Q5. What is an operating system?
A. An operating system is system software that controls and manages computer resources.
Q6. Give examples of operating systems.
A. Windows, Linux, macOS, Android.
Q7. What is CPU?
A. CPU stands for Central Processing Unit, also called the brain of the computer.
Q8. Name the parts of CPU.
A. Control Unit (CU), Arithmetic Logic Unit (ALU), and Registers.
Q9. What is memory?
A. Memory is used to store data and instructions in a computer.
Q10. What is RAM?
A. RAM is temporary memory that stores data currently in use.
Q11. What is ROM?
A. ROM is permanent memory that stores important instructions.
Q12. What is input device?
A. Input devices are used to enter data into a computer.
Q13. Give examples of input devices.
A. Keyboard, mouse, scanner, microphone.
Q14. What is output device?
A. Output devices display the result processed by the computer.
Q15. Give examples of output devices.
A. Monitor, printer, speaker.
Q16. What is storage device?
A. Storage devices are used to store data permanently.
Q17. Give examples of storage devices.
A. Hard disk, pen drive, CD, DVD.
Q18. What is internet?
A. The internet is a global network that connects computers worldwide.
Q19. What is email?
A. Email is an electronic way of sending messages over the internet.
Q20. Why is computer education important?
A. It helps students develop digital skills and problem-solving ability.
Q1. What is geography?
A. Geography is the study of Earth, its features, climate, people, and natural resources.
Q2. What are the domains of the Earth?
A. Lithosphere, Hydrosphere, Atmosphere, and Biosphere.
Q3. What is lithosphere?
A. The solid outer layer of the Earth consisting of rocks and landforms.
Q4. What is hydrosphere?
A. All water bodies on Earth including oceans, rivers, lakes, and glaciers.
Q5. What is atmosphere?
A. The layer of air surrounding the Earth.
Q6. What is biosphere?
A. The narrow zone where land, water, and air interact to support life.
Q7. What is a continent?
A. A large continuous landmass on Earth.
Q8. Name the continents of the world.
A. Asia, Africa, North America, South America, Antarctica, Europe, and Australia.
Q9. What is an ocean?
A. A vast body of saline water covering most of the Earthโs surface.
Q10. Name the major oceans.
A. Pacific, Atlantic, Indian, Southern, and Arctic.
Q11. What is latitude?
A. Imaginary lines running parallel to the Equator used to measure distance north or south.
Q12. What is longitude?
A. Imaginary lines running from the North Pole to the South Pole.
Q13. What is the Equator?
A. An imaginary line dividing the Earth into Northern and Southern Hemispheres.
Q14. What is the Prime Meridian?
A. The longitude at 0ยฐ passing through Greenwich, England.
Q15. What is weather?
A. The condition of the atmosphere at a particular place and time.
Q16. What is climate?
A. The average weather conditions of a place over a long period.
Q17. What is a natural resource?
A. Resources obtained from nature and used by humans.
Q18. Give examples of natural resources.
A. Water, soil, minerals, forests, and air.
Q19. What is population?
A. The total number of people living in a particular area.
Q20. Why is geography important?
A. It helps us understand Earth, environment, and human activities.