Shubham Jha - Class 9
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Which one of the following disease is not transmitted by mosquito?
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52%
Brain fever
15%
Malaria
26%
Typhoid
7%
Dengue
An object of mass 2 kg is sliding with a constant velocity of 4 m/s on a friction less horizontal table. The force required to keep the object moving with the same velocity is:
Anonymous Quiz
18%
1N
52%
2N
26%
0N
4%
3N
Which of the following cannot be considered a form of matter?
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20%
Atom
19%
Water
52%
Humidity
9%
None
Which among the following produce seeds?
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12%
Barophyllum
65%
Gymnosperm
15%
Thallyophylum
8%
None
The relative molecular mass of Na2S2O3.5H2O is
Anonymous Quiz
20%
246
52%
248
24%
300
4%
302
Percentage of calcium in calcium carbonate is
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40%
40
36%
43
17%
45
7%
None
A particle is moving in a circular path of radius r. The displacement after half a circle would 
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50%
2πr
36%
2r
9%
2/3πr
5%
R
Area under a υ -1 graph represents a physical quantity which has the unit
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27%
m
44%
m^s
23%
m^s-1
6%
None
Q4.The gravitational force between two objects is F. If masses of both objects are halved without changing the distance between them, then the gravitational force would become
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26%
2f
30%
F
30%
F/2
14%
F/4
The cell wall of which one of these is not made up of cellulose?
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24%
Bacteria
36%
Virus
29%
Mango tree
11%
None
If we put camphor in an open container, its amount keeps on decreasing due to the phenomenon of
Anonymous Quiz
37%
Evaporation
46%
Sublimation
13%
Precipitation
4%
Filteration
How one can separate ammonium chloride from a mixture containing ammonium chloride and sodium chloride?
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36%
Concertion of solutions
26%
Evaporation
34%
Sublimation
4%
None
During summer, water kept in an earthen pot becomes cool because of the phenomenon of
Anonymous Quiz
46%
Evaporation
25%
Sublimation
22%
Perciption
8%
Filteration