Chapter-wise MCQ Questions

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Question-1. Water plays an important role in the functioning of our body because it

  1. None of the above.
  2. Dissolves a large number of substances
  3. Is hard
  4. Is transparent
Answer-1

Question-2. We group things together because

  1. We can keep similar materials on the palm
  2. Dividing materials in groups makes it convenient to study their properties and observe patterns in these properties.
  3. We can throw away similar materials
  4. We can keep similar materials in our rack at one place
Answer-2

Question-3. Which of the following is transparent?

  1. Wood
  2. Milk
  3. Iron
  4. Glass
Answer-3

Question-4. Materials that cannot be compressed easily are called…..........materials.

  1. Hard
  2. Soft
  3. Rough
  4. Scaly
Answer-4

Question-5. Take a glass of water. Add two spoons of sugar. Stir it. You observe that

  1. Sugar sinks and stays below.
  2. Sugar does not dissolve in water
  3. Sugar dissolves in water
  4. Sugar floats on water
Answer-5

Question-6. You have made four cups of instant coffee. One has one teaspoon of coffee, the second has two, the third has three, and last four teaspoons of coffee. Which is the most saturated?

  1. The fourth cup with four teaspoons of coffee
  2. The first cup with one teaspoon of coffee.
  3. The second cup with two teaspoons of coffee.
  4. The third cup with three teaspoons of coffee.
Answer-6

Question-7. Take two samples, one of oil and the other of water. Mix the two. You observe that

  1. None of the above
  2. They are soluble
  3. Oil floats on water
  4. Water floats on oil
Answer-7

Question-8. An oiled paper acts as a…............material.

  1. opaque
  2. Transparent
  3. Translucent
  4. Lustrous
Answer-8

Question-9. Which one of the following is insoluble in water?

  1. Sugar
  2. Alcohol
  3. Sodium chloride
  4. Coconut oilcorrect
Answer-9

Question-10. A transparent substance is one that

  1. None of the above
  2. allows the light to pass through it
  3. does not allow the light to pass through it
  4. allows light partly to pass through it
Answer-10

Question-11. Which one of the following is different from others ?

  1. Sand
  2. Aluminium
  3. Iron
  4. Silver
Answer-11

Question-12. Which one will show a metallic lustre?

  1. Surfaces of all materials
  2. Any surface of a metal
  3. Freshly cut surface of a metal
  4. Freshly cut surface of non-metal
Answer-12

Question-13. Which of the following objects can be grouped together based on having rough surface ?

  1. None of these
  2. Apple, Glass
  3. Doormat, Sand paper
  4. Teddy bear, Doormat
Answer-13

Question-14. Select the one that is not made up of the same materials as others

  1. All are made of the same material
  2. Book
  3. Note books
  4. Table
Answer-14

Question-15. Find the odd one out from the following.

  1. Cat
  2. Chair
  3. Bed
  4. Table
Answer-15

Question-16. Pick One Material From The Following, Which Is Completely Soluble In Water

  1. Sawdust
  2. Chalk powder
  3. Tea leaves
  4. Glucose
Answer-16

Question-17. Choose the opaque object from the following:

  1. Water
  2. Charcoal
  3. Air
  4. Glass
Answer-17

Question-18. Choose the opaque object from the following:

  1. Water
  2. Charcoalcorrect
  3. Air
  4. Glass
Answer-18

Question-19. Wood Is Used As A Fuel. Which Property Makes It Suitable For This Purpose

  1. Immiscibility
  2. Combustibility
  3. Density
  4. Viscosity
Answer-19

Question-20. Which of the following is hard?

  1. Mirror
  2. Cotton
  3. Sponge
  4. Iron
Answer-20

Question-21. The hardest substance is

  1. sulphur
  2. diamond
  3. graphite
  4. chalk
Answer-21

Question-22. Which Of The Following Statements Is Incorrect?

  1. Objects around us made up of a variety of materials
  2. Dividing materials into groups make it convenient to study their properties
  3. Materials are grouped together on the basis of only similarities
  4. Different types of materials have different properties
Answer-22

Question-23. Which of the following cannot be grouped in the same group as others on the basis of their shape?

  1. Tripod stand
  2. Football
  3. Cricket ball
  4. Glass marble
Answer-23

Question-24. Dividing materials in groups is done

  1. neither for (a) nor for (b)
  2. for convenience
  3. for easily observing any pattern in their properties
  4. for both the above
Answer-24

Question-25. Which is a set of transparent materials?

  1. All of these
  2. Glass and air
  3. Water and glass
  4. Water and air
Answer-25

Question-26. Which of the following is soluble in water ?

  1. Oil
  2. Glycerine
  3. Sand
  4. Iron filings
Answer-26

Question-27. Which of the following gets reddish brown in colour on exposure to air?

  1. Aluminium
  2. Gold
  3. Silver
  4. Iron
Answer-27

Question-28. Which of the following has reddish brown colour?

  1. Brass
  2. Gold
  3. Copper
  4. Iron
Answer-28

Question-29. Which of the following is correct for the term ?Lustre??

  1. Shiny appearance
  2. Hardness
  3. Softness
  4. Dull appearance
Answer-29

Question-30. Which of the following is soft?

  1. Stone
  2. Iron
  3. Wood
  4. Cotton
Answer-30

Question-31. Water is said to play an important role in the functioning of our body. Why?

  1. Both (a) and ©
  2. It is an exilir liquid for life
  3. It quenches our thirst
  4. It can dissolve a large number of substances
Answer-31

Question-32. Mustard oil and kerosene are the examples of in water liquids.

  1. sticky
  2. miscible
  3. immiscible
  4. viscous
Answer-32

Question-33. Find the odd one out from the following.

  1. Glass beaker
  2. Nail
  3. Utensils
  4. Magnet
Answer-33

Question-34. Which of the following does not belong to the same group as others?

  1. None of these
  2. Orange
  3. Apple
  4. Glass
Answer-34

Question-35. Which of the following does not belong to the group of shiny materials?

  1. All of these
  2. Paper
  3. Card-board
  4. Chalk
Answer-35

Question-36. Which one of the following has hard surface?

  1. Cushion
  2. Pillow
  3. Blanket
  4. Stone
Answer-36

Question-37. Pliers used by electrician usually have plastic cover on the handle. Why?

  1. All of these
  2. Plastic is a bad conductor of heat
  3. Plastic is water resistant
  4. Plastic is bad conductor of electricity
Answer-37

Question-38. Select the object (s) from the following options which has shine.

  1. Both (b) and ©
  2. Plastic toy
  3. Steel spoon
  4. Wooden spoon
Answer-38

Question-39. Find the odd one out from the following.

  1. Marigold
  2. Rose
  3. Jasmine
  4. Boat
Answer-39

Question-40. Which of the following object will sink in water?

  1. All of these
  2. Rose petals
  3. Brick
  4. Saw dust (
Answer-40

Question-41. Identify the materials(s) miscible in water?

  1. All of these
  2. Salt
  3. Sugar
  4. Vinegar
Answer-41

Question-42. Which of the following is a water soluble material?

  1. Saffron
  2. Sand
  3. Blue Vitriol
  4. Kerosene
Answer-42

Question-43. Sand and pebbles are grouped differently because

  1. Sand floats and pebbles sink in water
  2. Sand is opaque and pebbles are translucent
  3. Sand is smooth and pebbles are rough
  4. Sand is rough and pebbles are smooth
Answer-43

Question-44. Select the one used as a basis for grouping of objects

  1. None of the above
  2. shape of the objects
  3. materials of which they are made
  4. Both the above
Answer-44

Question-45. Which of the following is good conductor of heat?

  1. Plastic
  2. Silver
  3. Paper
  4. Wood
Answer-45

Question-46. The materials are grouped into various categories on the basis of :

  1. All of these
  2. similarities and differences in their properties
  3. nature, size, shape and colour
  4. solubility, use, transparency and hardness
Answer-46

Question-47. What makes the basis of sorting materials into groups?

  1. All of these
  2. Similarities in their properties
  3. Differences in their properties
  4. Both similarities and differences in their properties
Answer-47

Question-48. Which of the following help us to choose a material for making an object?

  1. None of these
  2. Some properties of the material
  3. Purpose for which we want to use the object
  4. Both the properties of the material and the purpose for which the object is to be used
Answer-48

Question-49. Which one of the following is classified as transparent substance?

  1. Card-board
  2. Stone
  3. Mirror
  4. Glass
Answer-49

Question-50. Which one of the following is different from others?

  1. Copper sulphate
  2. Sugar
  3. Salt
  4. Sand
Answer-50

Question-51. Select odd from the following

  1. Fry pan
  2. Tawa
  3. Eraser
  4. Pressure cooker
Answer-51

Question-52. Soluble substances are those

  1. None of these is correct
  2. that get completely dissolved in water at room temperature
  3. that flots on the surface of water
  4. that remains undissolved in water
Answer-52

Question-53. Which of the following is the characterstic of materials with lustre

  1. None of the above
  2. Their lustre can be seen when it is freshly cut
  3. Their lustre can be seen when it is rubbed with sand paper
  4. Both (a) and (b)
Answer-53

Question-54. Chocolates, biscuits and other items are displayed in a shop in see-through containers that are made of glass or plasti

  1. transparency
  2. This explains the property of ____ of glass and plastic.
  3. Hardness
  4. Opaqueness c. Softness
Answer-54

Question-55. Translucent materials are

  1. None of the above
  2. those through which objects can be seen clearly
  3. those through which objects can be seen, but not clearly
  4. those through which objects cannot be seen
Answer-55

Question-56. An opaque material is one

  1. None of these
  2. through which you are not able to see
  3. through which you can see clearly
  4. through which you can see but not clearly
Answer-56

Question-57. Purpose of sorting material into groups is

  1. inconvenience
  2. to rtudy their properties
  3. convenience
  4. both (a) and 9b)
Answer-57

Question-58. An oily thin paper sheet will be

  1. cannot be predicted
  2. transparent
  3. translucentcorrect
  4. opaque
Answer-58

Question-59. On the basis of transparency we can group objects in which of the following groups?

  1. All the above
  2. Transparent substances
  3. Opaque substances
  4. Translucent substances
Answer-59

Question-60. Which one of the following is not soluble in water?

  1. All are soluble
  2. Turmeric powder
  3. Common salt
  4. Alum
Answer-60

Question-61. Which of the following substances dissolve in water?

  1. All of these
  2. Vinegar
  3. Kerosene oil
  4. Petrol
Answer-61

Question-62. Which of the following floats on water?

  1. Eraser
  2. Wax
  3. Marble
  4. Coin
Answer-62

Question-63. Which of the following is not a transparent substance?

  1. Air
  2. Wood
  3. Glass
  4. Water
Answer-63

Question-64. Which of the following is not a solid substances?

  1. Honey
  2. Wooden block
  3. Iron nail
  4. Glass tumbler
Answer-64



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