Read the given paragraph where few
words have been italicised.
Troposphere is the first layer of atmosphere closest to the Earth. Mesosphere is an
important layer as it contains ozone gas that absorbs harmful ultraviolet rays of the Sun and protects us from its harmful
effects. Stratosphere is the layer where most meteorites burn up before reaching the Earth surface. Thermosphere is the
upper most layer of Earth's atmosphere.
Select the incorrect statement regarding them.
A Thermosphere should not be changed
as it is correctly mentioned.
B Mesosphere and stratosphere should be
interchanged.
C Thermosphere should be changed to
exosphere.
D Thermosphere and troposphere
should be interchanged.