The most abundant greenhouse gas in the earth’s atmosphere is ________________.
A. Carbon dioxide (CO2)
B. Nitrous oxide (N2O)
C. Water vapor (H2O)
D. Methane (CH4)
E. Chlorofluorocarbons (CFCs)
Category: Environmental Science
Environmental science MCQ is the section of General knowledge MCQ Questions for all exam like competitive exam, interview and entrance test, Government exams, State and UPSC Civil Services Examinations, PSC, SSC, cgl, ibps,ias, ras , Bank exams and other various exams
The temperature to which air must be cooled in order to become saturated is the _________________.
A. Minimum temperature
B. Dew point temperature
C. Wet-bulb temperature
D. Freezing point
Which is an example for sedimentary biogeochemical cycle?
A. Oxygen cycle
B. Nitrogen cycle
C. Water cycle
D. Phosphorus cycle
Which of the following type of pollution can cause the outbreak of jaundice?
A. Air
B. Thermal
C. Water
D. Land
Which of the following is not a reason why water warms and cools much more slowly than land?
A. Solar energy penetrates more deeply into water
B. Heat energy is mixed in a deeper layer of water
C. Water has a higher heat capacity
D. A portion of the solar energy that strikes water is used to evaporate it
E. It takes more heat to raise the temperature of a given amount of soil 1o C than it does to raise the temperature of water 1o C.
The source of atmospheric oxygen is _________________.
A. Nitrogen cycle
B. Green Plants
C. Water
D. Carbon Cycle
The earth emits radiation with greatest intensity at ________________.
A. Infrared wavelengths
B. Radio wavelengths
C. Visible wavelengths
D. Ultraviolet wavelengths
Some species of plants and animals are extremely rare and may occur only at a few locations are called ________________.
A. Endemic
B. Endangered
C. Vulnerable
D. Threatened
_______________ is a mixture of 50 – 90% of methane.
A. Natural gas
B. Air
C. Water
D. Bio diesel
The term “Biocoenosis” was proposed by ________________.
A. Transley
B. Carl Mobius
C. Warming
D. None of the above
