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Here is the MCQs guide for the topic of Everyday Science. you will find various types of questions along with there answers in this
Q. Human beings use _______ liters of pure oxygen per day.
A.
550
B.
2500
C.
1050
D.
10000


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Q. The yellow colour in photochemical smog is due to the presence of____________?
A.
Sulphur dioxide
B.
Carbon dioxide
C.
Nitrogen dioxide
D.
CFC’s


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Q. Why normal rain is slightly acidic?
A.
due to presence of dust in air
B.
carbon dioxide and water in clouds react to form carbonic acid
C.
Ozone depletion
D.
All of these


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Q. Disolved oxygen (DO) in water should be?
A.
4 to 5 ppm
B.
400 to 800 ppm
C.
0.4 to 0.5 ppm
D.
4000 to 8000 ppm


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Q. Montreal Protocol 1987 was__________?
A.
Treaty to protect ozone layer
B.
Treaty among nations to reduce nuclear arsenals
C.
Climate control treaty
D.
Trade policy about tarrifs


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Q. How many meters are in one mile?
A.
1409.34
B.
1509.34
C.
1609.34
D.
1709.34


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Q. As a result of which treaty, ozone hole in Antarctica is slowly healing?
A.
Koyoto protocol
B.
Ottawa treaty
C.
Montreal protocol
D.
Oslo Accord


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Q. Chemical Name of Dry Ice?
A.
Solid Carbon Dioxide
B.
Calcium Carbon
C.
Sodium Oxide


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Q. Moon is a__________?
A.
Star
B.
Plant
C.
Satellite
D.
Star and Planet


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Q. The scientific study of measurement is known as __________?
A.
Entomology
B.
Ichthyology
C.
Metrology


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