The source of atmospheric oxygen is _________________.
A. Nitrogen cycle
B. Green Plants
C. Water
D. Carbon Cycle
Category: General Knowledge Mcqs
General Knowledge Mcqs are from diffrent sections like sports, geography, improtant days, book authers , atmosphere, events. GK Mcqs. General knowledge mcq for 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
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.
Which of the following type of pollution can cause the outbreak of jaundice?
A. Air
B. Thermal
C. Water
D. Land
Which is an example for sedimentary biogeochemical cycle?
A. Oxygen cycle
B. Nitrogen cycle
C. Water cycle
D. Phosphorus cycle
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
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)
Frost forms when ________________.
A. Objects on the ground cool below the dew point temperature.
B. The dew point is 32oF or below.
C. Water vapor changes into ice without first becoming a liquid.
D. All of the above
India is primary centre of domestication of ________________.
A. Sheep
B. Goat
C. Water Buffalo
D. Elephants
The lowest temperature that can be attained by evaporating water into the air is known as the ________________.
A. Heat index
B. Minimum temperature
C. Wet-bulb temperature
D. Frost point
E. Wind chill temperature
The gas that shows the most variation from place to place and from time to time in the lower atmosphere is _________________.
A. Ozone (O3)
B. Carbon dioxide (CO2)
C. Water vapor (H2O)
D. Methane (CH4)
E. Argon (Ar)
