50 MCQ Questions (Air and Water

50 MCQ Questions (Air and Water – Only Questions with Options) 👇

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🌿 Air (1–25)

1. What is air?
   A) Solid
   B) Liquid
   C) Mixture of gases
   D) Metal

2. Can we see air?
   A) Yes
   B) No
   C) Sometimes
   D) Only in light

3. Moving air is called:
   A) Rain
   B) Wind
   C) Water
   D) Cloud

4. Which gas is needed for breathing?
   A) Nitrogen
   B) Oxygen
   C) Carbon dioxide
   D) Hydrogen

5. Plants use which gas to make food?
   A) Oxygen
   B) Carbon dioxide
   C) Nitrogen
   D) Helium

6. Air is present:
   A) Only in rooms
   B) Only outside
   C) Everywhere
   D) Nowhere

7. The layer of air around Earth is called:
   A) Soil
   B) Atmosphere
   C) Water
   D) Sky

8. Air contains:
   A) Only oxygen
   B) Only nitrogen
   C) Many gases
   D) Only carbon dioxide

9. Which is NOT found in air?
   A) Oxygen
   B) Carbon dioxide
   C) Nitrogen
   D) Plastic

10. We feel air when it:
    A) Stops
    B) Moves
    C) Freezes
    D) Falls

11. Air has:
    A) Colour
    B) Smell
    C) No colour
    D) Shape

12. Which gas do we breathe out?
    A) Oxygen
    B) Carbon dioxide
    C) Nitrogen
    D) Hydrogen

13. Which gas is most in air?
    A) Oxygen
    B) Nitrogen
    C) Carbon dioxide
    D) Helium

14. Wind is:
    A) Still air
    B) Moving air
    C) Hot air
    D) Cold air

15. Living things need air for:
    A) Playing
    B) Breathing
    C) Sleeping
    D) Running

16. Water vapour is:
    A) Solid water
    B) Liquid water
    C) Gas form of water
    D) Ice

17. Sticky feeling on humid days is due to:
    A) Dust
    B) Water vapour
    C) Oxygen
    D) Wind

18. Dust is:
    A) Big particles
    B) Tiny particles
    C) Water drops
    D) Gas

19. Dust settles on:
    A) Air
    B) Water
    C) Things
    D) Sky

20. Fast moving air is called:
    A) Breeze
    B) Storm
    C) Water
    D) Rain

21. Air is a:
    A) Solid
    B) Liquid
    C) Gas mixture
    D) Metal

22. Plants need air to:
    A) Sleep
    B) Grow
    C) Fly
    D) Jump

23. Plants take from air:
    A) Oxygen
    B) Carbon dioxide
    C) Nitrogen
    D) Smoke

24. Oxygen is important for:
    A) Cooking
    B) Breathing
    C) Washing
    D) Farming

25. Air is found:
    A) Only in sky
    B) Only on land
    C) Everywhere
    D) Nowhere

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💧 Water (26–50)

26. Water is:
    A) Solid
    B) Liquid
    C) Gas
    D) Metal

27. Water is important for:
    A) Life
    B) Toys
    C) Books
    D) Games

28. Who needs water?
    A) Humans
    B) Animals
    C) Plants
    D) All of these

29. Water is used for:
    A) Drinking
    B) Cooking
    C) Washing
    D) All of these

30. Water comes from:
    A) Sun
    B) Moon
    C) Rain
    D) Stars

31. Which is a source of water?
    A) River
    B) Road
    C) Tree
    D) Chair

32. A pond is:
    A) Big river
    B) Small water body
    C) Mountain
    D) Desert

33. A well gives:
    A) Air
    B) Water
    C) Fire
    D) Soil

34. Clean water is:
    A) Dirty
    B) Safe to drink
    C) Smelly
    D) Colored

35. Dirty water can:
    A) Help health
    B) Cause disease
    C) Make strong
    D) None

36. Plants need water to:
    A) Fly
    B) Grow
    C) Run
    D) Sleep

37. Farmers use water for:
    A) Games
    B) Farming
    C) Reading
    D) Sleeping

38. Watering plants helps them:
    A) Die
    B) Grow
    C) Sleep
    D) Stop

39. Which food has water?
    A) Stone
    B) Watermelon
    C) Iron
    D) Plastic

40. Milk contains:
    A) No water
    B) Water
    C) Only gas
    D) Only solid

41. Animals need water to:
    A) Sleep
    B) Live
    C) Jump
    D) Run

42. Without water we:
    A) Can live
    B) Cannot live
    C) Can fly
    D) Can swim

43. Water is used in:
    A) Cooking
    B) Cleaning
    C) Drinking
    D) All of these

44. River water is:
    A) Source of water
    B) Fire
    C) Air
    D) Soil

45. Rain gives us:
    A) Air
    B) Water
    C) Fire
    D) Dust

46. Water is found in:
    A) Fruits
    B) Vegetables
    C) Milk
    D) All of these

47. Which is NOT a source of water?
    A) Lake
    B) River
    C) Chair
    D) Well

48. We should drink:
    A) Dirty water
    B) Clean water
    C) Mud
    D) Oil

49. Water helps in:
    A) Farming
    B) Washing
    C) Drinking
    D) All of these

50. Water is:
    A) Not needed
    B) Important
    C) Useless
    D) Waste

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