1. Wheezing is the most important health hazard caused by
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62%
A) Carbon monoxide
23%
B) Carbon dioxide
8%
C) Nitrogen dioxide
8%
D) Sulphur dioxide
2. Which is not a unit of weight ?
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29%
A) Kilogram (Kg)
36%
B) Newton (N)
25%
C) Kg m/s2
11%
D) None of these
3. If the kinetic energy of a moving body becomes four times of its initial value. The new linear momentum will be
Anonymous Quiz
30%
A) Eight times of the initial value
22%
B) Four times of the initial value
35%
C) Two times of the initial value
13%
D) Remains the same
4. The door of a running refrigerator is kept opened in a room. Temperature of the room
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35%
A) decreases
22%
B) Increases
39%
C) Remains constant
4%
D) may increase or decrease
5. The colour of a star is an indication of its
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4%
A) Size
9%
B) Density
61%
C) Temperature
26%
D) Distance from earth
6. When light travels from one medium to other which property remains constant ?
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36%
A) Frequency
23%
B) Wavelength
36%
C) Velocity
5%
D) None of these
7. Which of the following is not an electromagnetic wave ?
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48%
A) Beta rays
9%
B) Gamma rays
13%
C) X rays
30%
D) light rays
8. Which of the following is not a secondary cell ?
Anonymous Quiz
5%
A) leclanche cell
19%
B) lead storage cell
10%
C) mercury cell
67%
D) Both A and C
9. metal ions that form soluble carbonates in presence of NH4Cl
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5%
A) Ba
73%
B) Ca
23%
C) Mg
0%
D) Sr
10. Which of the following statements are correct regarding minamata disease ?
i. It is an infectious disease.
ii. It was caused by consumption of fish containing lead.
iii. It was caused by consumption of fish containing mercury.
iv. It was caused by consumption of fish containing cadmium.
v. It affects the central nervous system.
vi. It affects respiratory system.
i. It is an infectious disease.
ii. It was caused by consumption of fish containing lead.
iii. It was caused by consumption of fish containing mercury.
iv. It was caused by consumption of fish containing cadmium.
v. It affects the central nervous system.
vi. It affects respiratory system.
1. Which of the hydrogen spectrum series is in the visible region ?
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21%
A) lyman series
71%
B) Balmer series
0%
C) Bracket series
7%
D) Pfund series
2. Which of the following statement is true ?
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15%
A) Soaps and detergents both are used only in soft water
8%
B) Soaps and detergents both are used in soft water as well as hard water
77%
C) Soap is used only in soft water while detergent can be used in soft water as well as hard water
0%
D) detergent is used only in soft water while soap is used in soft water and hard water both
3. Which of the following is a green solvent used for bleaching clothes ?
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33%
A) Hydrogen peroxide
50%
B) Benzene
0%
C) Water
17%
D) Liquified carbon dioxide
4. In a code language, SmART is written as mACKO. How will CROWN be written in the same language ?
Anonymous Quiz
0%
A) FKETB
60%
B) GKETB
20%
C) GKESB
20%
D) None of These
5. Suppose a bus covers a distance at 40 kmp/h and an equal distance at 60 kmp/h. Then what is the average speed during the whole journey ?
Anonymous Quiz
0%
A) 55
17%
B) 45
83%
C) 48
0%
D) 50
6. In what time will Rs. 20,000 becomes Rs. 21,632 at 4% per annum interest compounded yearly ?
Anonymous Quiz
0%
A) 5
43%
B) 4
0%
C) 3
57%
D) 2
7. The total surface area of a hemisphere is 108 πcm2. Then what is its volume ?
Anonymous Quiz
0%
A) 288 πcm2
80%
B) 144 πcm2
20%
C) 108 πcm2
0%
D) 72 πcm2
8. The equation x + kx + 9 = 0 has two equal roots, then the value of k is
Anonymous Quiz
20%
A) ± 6
40%
B) ± 3
40%
C) ± 0
0%
D) ± 9
9. In how many ways can we select 5 books out of 10, of which a particular book is not included ?
Anonymous Quiz
0%
A) 108
33%
B) 120
17%
C) 124
50%
D) 126