100 Best Geography- Atmosphere MCQs
Q17). The atmospheric layer which reflects radio waves is called
a).Exosphere
b).Stratosphere
c).Ionosphere
d).Thermosphere
Correct Answer:
Ionosphere
Explaination:
Q18). Ionosphere a part of thermosphere extends upto
a).80 km
b).500 km
c).600 km
d).640 km
Correct Answer:
500 km
Explaination:
Q19). Smog is a common pollutant in places having excessive amount of
a).sulphur dioxide
b).ammonia
c).nitrogen
d).oxygen
Correct Answer:
ammonia
Explaination:
Q20). The most predominant inert gas (by volume) of the atmosphere is
a).Argon
b).Neon
c).Krypton
d).Xenon
Correct Answer:
Argon
Explaination:
Q21). The instrument used to measure the atmospheric pressure is
a).Thermometer
b).Barometer
c).Spectrometer
d).Pyrometer
Correct Answer:
Barometer
Explaination:
Q22). Which type of fog commonly occurs along the sea-coasts ?
a).Frontal fog
b).Convection fog
c).Advection fog
d).Radiation fog
Correct Answer:
Advection fog
Explaination:
Q23). All vital atmospheric processes leading to various climatic and whether conditions take place in which layer ?
a).Troposphere
b).Ionosphere
c).Exosphere
d).Stratosphere
Correct Answer:
Troposphere
Explaination:
Q24). Cirrus clouds are generally found at the height of
a).6-12 km
b).10-20 km
c).3-4 km
d).2-3 km
Correct Answer:
6-12 km
Explaination: