1. Wheezing is the most important health hazard caused by
Anonymous Quiz
64%
A) Carbon monoxide
20%
B) Carbon dioxide
8%
C) Nitrogen dioxide
8%
D) Sulphur dioxide
2. Which is not a unit of weight ?
Anonymous Quiz
30%
A) Kilogram (Kg)
33%
B) Newton (N)
26%
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
27%
A) Eight times of the initial value
23%
B) Four times of the initial value
36%
C) Two times of the initial value
14%
D) Remains the same
4. The door of a running refrigerator is kept opened in a room. Temperature of the room
Anonymous Quiz
36%
A) decreases
23%
B) Increases
36%
C) Remains constant
5%
D) may increase or decrease
5. The colour of a star is an indication of its
Anonymous Quiz
5%
A) Size
9%
B) Density
59%
C) Temperature
27%
D) Distance from earth
6. When light travels from one medium to other which property remains constant ?
Anonymous Quiz
33%
A) Frequency
24%
B) Wavelength
38%
C) Velocity
5%
D) None of these
7. Which of the following is not an electromagnetic wave ?
Anonymous Quiz
45%
A) Beta rays
9%
B) Gamma rays
14%
C) X rays
32%
D) light rays
8. Which of the following is not a secondary cell ?
Anonymous Quiz
5%
A) leclanche cell
20%
B) lead storage cell
10%
C) mercury cell
65%
D) Both A and C
9. metal ions that form soluble carbonates in presence of NH4Cl
Anonymous Quiz
5%
A) Ba
76%
B) Ca
19%
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 ?
Anonymous Quiz
23%
A) lyman series
69%
B) Balmer series
0%
C) Bracket series
8%
D) Pfund series
2. Which of the following statement is true ?
Anonymous Quiz
8%
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
83%
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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27%
A) Hydrogen peroxide
55%
B) Benzene
0%
C) Water
18%
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