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question_answer1)
Which of the following statements is correct?
A)
Molecules in a solid are loosely packed. done
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B)
Liquids have a fixed volume. done
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C)
Gases have fixed shape. done
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D)
Liquids cannot be poured. done
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E)
None of these done
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question_answer2)
The rock made by cooling down of hot lava coming from deep inside the earth:
A)
Sedimentary done
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B)
Igneous done
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C)
Metamorphic done
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D)
Horizon done
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E)
None of these done
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question_answer3)
Which of the following is a gemstone?
A)
Diamond done
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B)
Ruby done
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C)
Emerald done
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D)
All the above done
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E)
None of these done
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question_answer4)
The mineral used in watches:
A)
Graphite done
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B)
Quartz done
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C)
Marble done
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D)
Silica done
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E)
None of these done
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question_answer5)
Liquids and Gases together can be called as fluids because:
A)
They do not have fixed volume. done
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B)
They have fixed shape. done
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C)
They can flow. done
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D)
All the above done
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E)
None of these done
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question_answer6)
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) done
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B)
(I - C), (II - A), (III - D), (IV - B) done
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C)
(I - B), (II - A), (III - D), (IV - C) done
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D)
(I - D), (II - A), (III - C), (IV - B) done
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E)
None of these done
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question_answer7)
Which of the following lives in soil?
A)
Lion done
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B)
Dog done
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C)
Cat done
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D)
Earthworm done
clear
E)
None of these done
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question_answer8)
Chopping of wood is which kind of change?
A)
Physical change done
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B)
No change done
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C)
Chemical change done
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D)
Biological change done
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E)
None of these done
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question_answer9)
A liquid that can dissolve a solid is a:
A)
Solute done
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B)
Solvent done
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C)
Salt done
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D)
Mixture done
clear
E)
None of these done
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question_answer10)
Which of the following statements is not correct?
A)
Physical changes can be reversed. done
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B)
A new substance is formed in a chemical change. done
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C)
Chemical changes cannot be reversed. done
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D)
No new substance is formed in a physical change. done
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E)
None of these done
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question_answer11)
Mineral from which metal can be extracted profitably is known as:
A)
Minerals done
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B)
Ores done
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C)
Iron done
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D)
Diamond done
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E)
None of these done
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question_answer12)
In this type of change no new substance is formed:
A)
Chemical change done
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B)
Physical change done
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C)
No change done
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D)
New change done
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E)
None of these done
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question_answer13)
Which of the following is not a solid?
A)
(a)Tyre done
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B)
Book done
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C)
Ink done
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D)
Radio done
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E)
None of these done
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question_answer14)
Which of the following is not a gaseous fuel?
A)
CNG done
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B)
Coal done
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C)
LPG done
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D)
Hydrogen done
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E)
None of these done
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question_answer15)
Formation of which of the following in water cycle is a natural example of the change of state of matter?
A)
Snow done
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B)
Rain done
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C)
Hail done
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D)
All the above done
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E)
None of these done
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question_answer16)
While heating a liquid, we find bubbles on the surface of the liquid, this is:
A)
Freezing done
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B)
Heating done
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C)
Melting done
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D)
Boiling done
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E)
None of these done
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question_answer17)
Water freezes at:
A)
\[{{100}^{o}}C\] done
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B)
\[{{0}^{o}}C\] done
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C)
\[{{270}^{o}}C\] done
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D)
\[{{10}^{o}}C\] done
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E)
None of these done
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question_answer18)
Pressure applied on solids, can change its:
A)
Shape done
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B)
Volume done
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C)
Colour done
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D)
Mass done
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E)
None of these done
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question_answer19)
Melting down of candle into liquid wax is an example of conversion of:
A)
Liquid into gas done
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B)
Gas into liquid done
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C)
Solid into liquid done
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D)
Liquid into solid done
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E)
None of these done
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question_answer20)
Liquids can flow, so they are also called_____.
A)
Solid done
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B)
Fluid done
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C)
Solution done
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D)
Solute done
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E)
None of these done
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question_answer21)
Wearing a way of rocks by wind and water is:
A)
Soil erosion done
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B)
Weathering done
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C)
Humus done
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D)
Clay done
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E)
None of these done
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question_answer22)
Which of the following is not a type of soil?
A)
Clay done
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B)
Silt done
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C)
Loam done
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D)
Humus done
clear
E)
None of these done
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question_answer23)
____soil is mostly used for making pots.
A)
Sandy done
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B)
Clayey done
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C)
Loamy done
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D)
Humus done
clear
E)
None of these done
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question_answer24)
What is formed by breaking down of rocks?
A)
Soil done
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B)
Plant done
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C)
Water done
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D)
Fertilizer done
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E)
None of these done
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question_answer25)
Plants stay fixed to the soil with the help of their
A)
Leaves done
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B)
Flowers done
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C)
Roots done
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D)
Minerals done
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E)
None of these done
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question_answer26)
Which soil is the mixture of sand, silt and clay?
A)
Humus done
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B)
Manure done
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C)
Loam done
clear
D)
Black done
clear
E)
None of these done
clear
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question_answer27)
Which of the following is not a type of a rock?
A)
Igneous done
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B)
Sedimentary done
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C)
Metamorphic done
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D)
Mineral done
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E)
None of these done
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question_answer28)
Which of the following changes is reversible?
A)
(a)Changing of milk into curd. done
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B)
Burning of paper. done
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C)
Crushing a can. done
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D)
Baking a cake. done
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E)
None of these done
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question_answer29)
Which of the following statements is not correct?
A)
The earth is made mostly of rocks. done
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B)
Marble is a hard rock. done
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C)
Coal is a very hard rock. done
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D)
All rocks are made up of minerals. done
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E)
None of these done
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question_answer30)
Red fort is made up of which rock among the following?
A)
Granite done
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B)
Marble done
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C)
Sandstone done
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D)
Coal done
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E)
None of these done
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question_answer31)
Which of the following plays an important role in the formation of soil?
A)
Rain done
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B)
Sunlight done
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C)
Wind done
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D)
All the above done
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E)
None of these done
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question_answer32)
The parts of dead plants and animals found in the soil is:
A)
Clay done
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B)
Humus done
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C)
Sand done
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D)
Loam done
clear
E)
None of these done
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question_answer33)
It makes soil fertile and is rich in humus.
A)
Fertilizer done
clear
B)
Manure done
clear
C)
Fossil done
clear
D)
Rock done
clear
E)
None of these done
clear
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question_answer34)
Which of the following is not a cause of soil erosion?
A)
Cutting down of trees on large scale. done
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B)
Strong winds done
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C)
Heavy rain done
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D)
Overgrazing by animals. done
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E)
None of these done
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question_answer35)
Which among the following is not present in the soil?
A)
Stone done
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B)
Sand done
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C)
Clay done
clear
D)
Humus done
clear
E)
None of these done
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question_answer36)
Remains of dead organisms under the layers of rocks are known as:
A)
Manures done
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B)
Fertilizers done
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C)
Fossils done
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D)
Humus done
clear
E)
None of these done
clear
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question_answer37)
Best soil for growing plants is:
A)
Sandy done
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B)
Clayey done
clear
C)
Loamy done
clear
D)
Silt done
clear
E)
None of these done
clear
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question_answer38)
This soil does not hold much water and is mainly found in deserts:
A)
Clay done
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B)
Silt done
clear
C)
Loamy done
clear
D)
Sandy done
clear
E)
None of these done
clear
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question_answer39)
When liquid form of water changes into solid ice is called:
A)
Melting point done
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B)
Boiling point done
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C)
Solution done
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D)
Freezing done
clear
E)
None of these done
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question_answer40)
Burning of a paper is a:
A)
Physical change done
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B)
Chemical change done
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C)
Biological change done
clear
D)
No change done
clear
E)
None of these done
clear
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