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Everyday Science Mcqs (1972)
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The main culprit of greenhouse effect is Carbon dioxide. But which is the second element contributing most to greenhouse effect
Nitrogen Dioxide (NO2)
Chlorofluorocarbons (CFCs)
High-fructose corn syrup (HFCs)
As a result of which treaty, ozone hole in Antarctica is slowly healing?
Koyoto protocol
Ottawa treaty
Oslo Accord
How many meters are in one mile?
1409.34
1509.34
1609.34
None of Above
Montreal Protocol 1987 was__________?
Treaty among nations to reduce nuclear arsenals
Climate control treaty
Disolved oxygen (DO) in water should be?
400 to 800 ppm
4000 to 8000 ppm
0.4 to 0.5 ppm
Why normal rain is slightly acidic?
due to presence of dust in air
carbon dioxide and water in clouds react to form carbonic acid
Ozone depletion
All of these
The yellow colour in photochemical smog is due to the presence of____________?
Sulphur dioxide
Carbon dioxide
CFC';s
Human beings use _______ liters of pure oxygen per day.
550
2500
1,050
10,000
In 2013, Planck measured the age of the universe at ___________?
13.82 billion years
4.53 billion years
4.6 billion years
4.53 billion years
Jupiter has ________ known moons.
62
73
79
The study of heavenly bodies is known as_________?
Astrology
Astronautics
Astronomy
Astrophysics
kilohertz (kHz) is a unit which measures?
Power used by a current of one ampere
Electromagnetic radio wave frequencies
Voltage
Electric resistance
Which of the following does not pollute the air?
Nitrogen Dioxide
Sulfur dioxide
Carbon dioxide
none of these
Scientist discovered a previously undetected feature of the human Anatomy that could be the largest organ of human body?
Brass
Pectora
Interstitium
Otic
One Joule is equal to__________?
105 ergs
103 ergs
107 ergs
1011 ergs
';Bar'; is the unit of___________?
Temperature
Heat
Atmospheric pressure
Current
";Ornithology"; is the study of_____________?
Birds
Insects
Sea Plants
Sea Animals
How many Dynes are there in one gram weight?
993
981
250
375
The melting point of ice is_________?
00C
1000C
40C
Freezing point of water is__________?
-2 °C
-4 °C
None of above
Wind always blows from area of ________?
Low pressure to high pressure
High pressure to low pressure
Only low pressure
Only high pressure
Density of Ice is_________?
800kg/m3
917kg/m3
930kg/m3
1000kg/m3
The density of Air is_____________?
0.225 kg/m3
1.025 kg/m3
1.225 kg/m3
1.425 kg/m3
How long does it take for the moon to orbit the earth once?
26.3 days
27.3 days
28.3 days
30.3 days
The distance b/w Earth and Moon is___________?
3,50,000km
3,60,100km
3,72,000km
3,84,400km
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