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Class 8 - Science Mock Tests

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Class 8
Science Mock Test 1

Questions:: 30
Duration:: 30 minutes
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Class 8
Science Mock Test 2

Questions:: 30
Duration:: 30 minutes
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Class 8
Science Mock Test 3

Questions:: 30
Duration:: 30 minutes
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Class 8
Science Mock Test 4

Questions:: 30
Duration:: 30 minutes
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Class 8
Science Mock Test 5

Questions:: 30
Duration:: 30 minutes
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Class 8
Science Mock Test 6

Questions:: 30
Duration:: 30 minutes
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Class 8
Science Mock Test 7

Questions:: 39
Duration:: 39 minutes
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Class 8
Science Mock Test 8

Questions:: 30
Duration:: 30 minutes
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Class 8
Science Mock Test 9

Questions:: 30
Duration:: 30 minutes
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Class 8
Science Mock Test 10

Questions:: 30
Duration:: 30 minutes
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Class 8
Science Mock Test 11

Questions:: 30
Duration:: 30 minutes
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Class 8
Science Mock Test 12

Questions:: 30
Duration:: 30 minutes
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Class 8
Science Mock Test 13

Questions:: 30
Duration:: 30 minutes
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Practice tests for Topics/Chapters

Sample Questions

Class 9 Science
When calcium carbonate is heated, it decomposes to form calcium oxide and carbon dioxide. The mass of CaO produced from 100 g of CaCO₃ is: (Ca = 40, C = 12, O = 16)
A 56 g
B 44 g
C 100 g
D 28 g
Class 9 Science
A mixture of acetone and water can be separated by:
A Filtration
B Sublimation
C Distillation
D Chromatography
Class 10 Science
In a domestic electric circuit, which wire is green in color and what is its purpose?
A Live wire — carries current at high voltage
B Neutral wire — completes the circuit
C Earth wire — provides safety by grounding
D Any of the above, depending on the manufacturer
Class 8 Science
What is the purpose of electroplating a thin layer of chromium on car parts?
A To improve appearance and prevent rusting
B To increase the weight of the parts
C To make the parts more brittle
D To reduce electrical conductivity
Class 9 Science
A force acts on a body of mass 10 kg and changes its velocity from 2 m/s to 6 m/s. What is the change in momentum?
A 20 kg·m/s
B 40 kg·m/s
C 60 kg·m/s
D 80 kg·m/s
Class 10 Science
The process by which green plants prepare their own food using sunlight is called:
A Respiration
B Photosynthesis
C Chemosynthesis
D Decomposition
Class 10 Science
A concave mirror has a focal length of 15 cm. An object is placed at 30 cm from the mirror. The image formed is:
A Virtual, erect, and magnified
B Real, inverted, and same size as object
C Real, inverted, and diminished
D Virtual, erect, and diminished
Class 10 Science
A concave mirror has a focal length of 15 cm. An object is placed at a distance of 30 cm from the mirror. Where is the image formed?
A At the focus
B At the centre of curvature
C Between the focus and the pole
D At infinity

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