Q.1 Which of the following statements is correct?
(A) Molecules in a solid are loosely packed.
(B) Liquids have a fixed volume.
(C) Gases have fixed shape.
(D) Liquids cannot be poured.
B
Q.2 The rock made by cooling down of hot lava coming from deep inside the earth:
(A) Sedimentary
(B) Igneous
(C) Metamorphic
(D) Horizon
B
Q.3 Which of the following is a gemstone?
(A) Diamond
(B) Ruby
(C) Emerald
(D) All the above
D
Q4. The mineral used in watches:
(A) Graphite
(B) Quartz
(C) Marble
(D) Silica
B
Q5. Liquids and Gases together can be called as fluids because:
(A) They do not have fixed volume.
(B) They have fixed shape.
(C) They can flow.
(D) All the above
C
Q6. Match the following:
| Column A | Column B | ||
| (I) | Clay | [A] | Dead plants and animals |
| (II) | Humus | [B] | Does not hold much water |
| (III) | Loam soil | [C] | Best soil for growing plants |
| (IV) | Sand | [D] | Sticky and soft soil |
(A) (I - D), (II - C), (III - A), (IV - B)
(B) (I - C), (II - A), (III - D), (IV - B)
(C) (I - B), (II - A), (III - D), (IV - C)
(D) (I - D), (II - A), (III - C), (IV - B)
D
Q7. Which of the following lives in soil?
(A) Lion
(B) Dog
(C) Cat
(D) Earthworm
D
Q8. Chopping of wood is which kind of change?
(A) Physical change
(B) No change
(C) Chemical change
(D) Biological change
A
Q9. A liquid that can dissolve a solid is a:
(A) Solute
(B) Solvent
(C) Salt
(D) Mixture
B
Q.10 The process of settling down of heavy insoluble particles in a liquid is called
(A) sedimentation
(B) decantation
(C) filtration
(D) none of these
A
Q.11 Mineral from which metal can be extracted profitably is known as:
(A) Minerals
(B) Ores
(C) Iron
(D) Diamond
B
Q.12 In this type of change no new substance is formed:
(A) Chemical change
(B) Physical change
(C) No change
(D) New change
B
Q.13 Which of the following is not a solid?
(A) Tyre
(B) Book
(C) Ink
(D) Radio
B
Q.14 Which of the following is not a gaseous fuel?
(A) CNG
(B) Coal
(C) LPG
(D) Hydrogen
B
Q.15 Formation of which of the following in water cycle is a natural example of the change of state of matter?
(A) Snow
(B) Rain
(C) Hail
(D) All the above
D
Q.16 While heating a liquid, we find bubbles on the surface of the liquid, this is:
(A) Freezing
(B) Heating
(C) Melting
(D) Boiling
D
Q.17 Water freezes at:
(A) 100°C
(B) 0°C
(C) 270°C
(D) 10°C
B
Q.18 Pressure applied on solids, can change its:
(A) Shape
(B) Volume
(C) Colour
(D) Mass
A
Q.19 Melting down of candle into liquid wax is an example of conversion of:
(A) Liquid into gas
(B) Gas into liquid
(C) Solid into liquid
(D) Liquid into solid
C
Q.20 Liquids can flow, so they are also called_____.
(A) Solid
(B) Fluid
(C) Solution
(D) Solute
B
Q.21 Wearing a way of rocks by wind and water is:
(A) Soil erosion
(B) Weathering
(C) Humus
(D) Clay
B
Q.22 Which of the following is not a type of soil?
(A) Clay
(B) Silt
(C) Loam
(D) Humus
D
Q.23 ____soil is mostly used for making pots.
(A) Sandy
(B) Clayey
(C) Loamy
(D) Humus
B
Q.24 What is formed by breaking down of rocks?
(A) Soil
(B) Plant
(C) Water
(D) Fertilizer
A
Q.25 Plants stay fixed to the soil with the help of them
(A) Leaves
(B) Flowers
(C) Roots
(D) Minerals
C
Q.26 Which soil is the mixture of sand, silt and clay?
(A) Humus
(B) Manure
(C) Loam
(D) Black
C
Q.27 Which of the following is not a type of a rock?
(A) Igneous
(B) Sedimentary
(C) Metamorphic
(D) Mineral
D
Q.28 Red fort is made up of which rock among the following?
(A) Granite
(B) Marble
(C) Sandstone
(D) Coal
C
Q.29 Which of the following changes is reversible?
(A) (a)Changing of milk into curd.
(B) Burning of paper.
(C) Crushing a can.
(D) Baking a cake.
C
Q.30 Which of the following statements is not correct?
(A) The earth is made mostly of rocks.
(B) Marble is a hard rock.
(C) Coal is a very hard rock.
(D) All rocks are made up of minerals.
C