Everyday Science MCQs

A. 62
B. 73
C. 79
D.53

A. 13.82 billion years
B. 4.53 billion years
C. 4.6 billion years
D. 4.53 billion years

A. 550
B. 2500
C. 1,050
D. 10,000

A. Sulphur dioxide
B. Carbon dioxide
C. Nitrogen dioxide
D. CFC’s

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

A. 400 to 800 ppm
B. 4000 to 8000 ppm
C. 0.4 to 0.5 ppm
D. 4 to 5 ppm

A. Treaty among nations to reduce nuclear arsenals
B. Climate control treaty
C. Treaty to protect ozone layer
D. Trade policy about tarrifs

A. 1409.34
B. 1509.34
C. 1609.34
D. None of Above

A. Koyoto protocol
B. Ottawa treaty
C. Montreal protocol
D. Oslo Accord

A. Nitrogen Dioxide (NO2)
B. Chlorofluorocarbons (CFCs)
C. Methane (CH4)
D. High-fructose corn syrup (HFCs)