Shubham Jha - Class 9
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. A colloid is a ………….. mixture
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37%
Homogeneous
41%
Heterogeneous
19%
Both
2%
None
How many loan pair electron in sodium
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42%
1
28%
2
24%
8
6%
4
😁1
A mixture of two or more miscible liquids, for which the difference in the boiling points is less than 25 K can be separated by the process called ………….
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46%
Fractional distillation
34%
Centrifugation
14%
Filteration
5%
Evaporation
During summer, water kept in an earthen pot becomes cool because of the phenomenon of
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17%
Diffusion
27%
Osmosis
50%
Evaporation
7%
Filteration
The boiling point of water at sea level is
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15%
173k
37%
273k
35%
373k
13%
None
A particle is moving in a circular path of radius r. The displacement after half a circle would be:
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14%
0
38%
πr
33%
2r
15%
2πr
If the displacement of an object is proportional to square of time, then the object moves with
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28%
Uniform velocity
50%
Uniform acceleration
19%
Uniform speed
4%
None
Area under a υ -1 graph represents a physical quantity which has the unit
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25%
M
43%
M^2
21%
M^3
11%
All
Which of the following can be made into crystal?
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22%
A virus
33%
A sperm
34%
A bacterium
11%
A amobea
Chromosomes are made up of
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39%
Dna
26%
Protein
32%
Both
2%
None
Which of the following are covered by a single membrane?
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33%
Mitochondria
30%
Vacuole
25%
Lysosome
12%
Plastid
Which cell organelle plays a crucial role in detoxifring many poisons and drugs in a cell?
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22%
Golgi apperatus
39%
Lysosome
32%
Smooth endoplasmic recticulum
8%
Mitochondria
The undefined nuclear region of prokaryotes is also known as
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13%
Nuclear
32%
Nucleus
42%
Nucleoid
13%
Nucleous
👍1
Two particles are placed at some distance. If the mass of each of the two particles is doubled, keeping the distance between them unchanged, the value of gravitational force between them will be:
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27%
1/2 times
29%
3 times
34%
4 times
11%
2/4 times