Environmental Science
Ingredients of atmosphere present in minute quantities but essential for maintaining life on earth are
Ozone and oxygen
Ozone and CO
Carbon dioxide and water
Carbon dioxide, ozone and water vapours
Carbon dioxide, ozone and water vapours
Related posts
Carbosphere comprisesA. Atmosphere
B. Lithosphere
C. Hydrosphere
D. All of the above
Most of the meteors burns in _________.
A. Stratosphere
B. Mesosphere
C. Troposphere
D. Thermosphere
In which layer of the atmosphere is the ozone present ?
A. Mesosphere
B. Troposphere
C. Stratosphere
D. Ionosphere
UV radiations in the stratosphere are absorbed by
A. Oxygen
B. Ozone
C. Sulphur dioxide
D. Argon
In thermosphere the temperature
A. Rises with height to C
B. Rises with height to C
C. First decreases then rises
D. Decreases to – C
The protective ozone shield is to be found in the:
A. Hydrosphere
B. Ionosphere
C. Stratosphere
D. Troposphere
Theย thickness of troposphere is
A. 12 km
B. 40km
C. 8o km
D. 50 km
Leave a Reply