Basic Science and Technology – 50 Multiple Choice Questions (MCQs) with Answer Key for Primary 6

BASIC SCIENCE AND TECHNOLOGY – 50 MULTIPLE CHOICE QUESTIONS (MCQs) WITH ANSWER KEY FOR PRIMARY 6

INSTRUCTION – Choose the correct answer from the options A – D. 

1. Air is a mixture of _____. A. liquids only B. solids C. water D. gases

2. The gas needed for breathing is _____. A. nitrogen B. oxygen C. carbon dioxide D. hydrogen

3. Moving air is called _____. A. breeze B. storm C. wind D. cloud

4. Which of these shows that air occupies space? A. Air has colour B. Inflated balloon C. Air has taste D. Air has sound

5. Climate change means _____. A. daily weather changes B. rainfall only C. hot afternoons D. long-term change in weather conditions

6. One cause of climate change is _____. A. tree planting B. deforestation C. recycling D. rainfall

7. Burning fossil fuels releases _____. A. oxygen B. nitrogen C. carbon dioxide D. hydrogen

8. One effect of climate change is _____. A. stable seasons B. flooding C. fresh air D. planting trees

9. The Earth rotates on its _____. A. orbit B. surface C. moon D. axis

10. One complete rotation of the Earth causes _____. A. a year B. a month C. day and night D. seasons

11. The movement of the Earth around the sun is called _____. A. Revolution B. rotation C. vibration D. motion

12. One complete revolution of the Earth takes _____. A. 24 hours B. 7 days C. 30 days D. 365 days

13. The solar system has _____ at the center. A. the moon B. Earth C. the sun D. Mars

14. Which of these is NOT a planet? A. Earth B. Moon C. Venus D. Mars

15. The planet closest to the sun is _____. A. Earth B. Venus C. Mercury D. Mars

16. The largest planet in the solar system is _____. A. Earth B. Jupiter C. Saturn D. Uranus

17. Colours seen when sunlight passes through rain are called _____. A. shadow B. spectrum C. reflection D. mirror

18. The three primary colours are _____. A. red, blue, yellow B. green, orange, purple C. black, white, grey D. pink, brown, gold

19. Mixing red and blue gives _____. A. green B. yellow C. purple D. orange

20. White colour reflects _____. A. no light B. some light C. red light D. all light

21. The smallest particle of an element is called _____. A. molecule B. cell C. Compound D. atom

22. An element is a substance that _____. A. contains many compounds B. cannot be broken into simpler substances C. is always liquid D. has colour

23. Oxygen is an example of _____. A. element B. compound C. mixture D. solution

24. Elements are arranged in the _____. A. timetable B. register C. periodic table D. notebook

25. Woodwork is the art of working with _____. A. metal B. plastic C. wood D. glass

26. A saw is used for _____. A. painting B. cutting wood C. measuring D. drilling

27. A hammer is used for _____. A. pulling nails B. cutting wood C. fixing nails D. sanding wood

28. A tape rule is used for _____. A. measuring B. cutting C. nailing D. shaping

29. Maintenance means _____. A. destroying tools B. repairing and caring for tools C. hiding tools D. selling tools

30. One reason for maintaining tools is to _____. A. spoil them B. lose them C. rust them D. make them last longer

31. Oiling metal tools helps to prevent _____. A. cutting B. rusting C. breaking D. bending

32. Tools should be stored in a _____. A. classroom B. cupboard or toolbox C. playground D. dustbin

33. Safety means _____. A. freedom from danger B. playing carelessly C. running everywhere D. breaking rules

34. Wearing goggles in the workshop helps to protect the _____. A. hands B. feet C. eyes D. ears

35. One safety rule in the workshop is to _____. A. run around B. misuse tools C. follow instructions D. joke with tools

36. Sharp tools should be handled _____. A. carelessly B. playfully C. carefully D. wrongly

37. Carbon dioxide is useful to plants for _____. A. breathing B. photosynthesis C. sleeping D. eating

38. Flooding can be reduced by _____. A. cutting trees B. planting trees C. burning bushes D. blocking drainage

39. The Earth gets light from the _____. A. moon B. stars C. sun D. clouds

40. The moon is a _____. A. planet B. star C. satellite D. comet

41. Mixing yellow and blue gives _____. A. orange B. green C. purple D. brown

42. Hydrogen is an example of _____. A. element B. mixture C. Compound D. solution

43. A chisel is mainly used in woodwork for _____. A. measuring B. cutting and shaping wood C. painting D. joining papers

44. Cleaning tools after use is an example of _____. A. misuse B. maintenance C. waste D. danger

45. Wearing gloves helps to protect the _____. A. hands B. eyes C. head D. legs

46. One effect of air pollution is _____. A. fresh air B. good health C. breathing problems D. clean sky

47. The layer of air around the Earth is called _____. A. hydrosphere B. atmosphere C. lithosphere D. biosphere

48. The sun is a _____. A. planet B. satellite C. asteroid D. star

49. A screwdriver is used to _____. A. cut wood B. tighten or loosen screws C. measure wood D. paint surfaces

50. Obeying safety rules helps to prevent _____. A. learning B. success C. fun D. accidents

ANSWER KEY

1. B 2. D 3. C 4. B 5. D 6. B 7. C 8. B 9. D 10. C

11. A 12. D 13. C 14. B 15. C 16. B 17. B 18. A 19. C 20. C

21. D 22. B 23. A 24. C 25. C 26. B 27. C 28. A 29. B 30. D

31. B 32. B 33. A 34. C 35. C 36. C 37. B 38. B 39. C 40. C

41. B 42. A 43. B 44. B 45. A 46. C 47. B 48. D 49. B 50. D