A) Ozone layer
B) D Layer
C) M Layer
D) None of these
EVERYDAY SCIENCE
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Noctilucent clouds are found ….. layer of atmosphere?
A) Ionosphere
B) Mesosphere
C) Troposphere
D) Exosphere
Which of these clouds forms is found at the highest altitudes?
A) Billow
B) Nacreous
C) Noctilucent
D) Pileus
Which is the coldest part of Earth’s atmosphere?
A) Ionosphere
B) Stratosphere
C) Troposphere
D) Mesosphere
Stratopause is boundary between?
A) Troposphere and Stratosphere
B) Stratosphere and Mesosphere
C) Troposphere and Mesosphere
D) None of these
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Third layer of atmosphere Mesosphere extends from …..?
A) 50 km to 70 km
B) 50 km to 75 km
C) 50 km to 80 km
D) 50 km to 85 km
Which layer of atmosphere enables aircraft to fly in a better way?
A) Ionosphere
B) Stratosphere
C) Troposphere
D) Exosphere
In which zone of the earth, the ozone layers filters out the sun’s ultraviolet radiation?
A) Ionosphere
B) Stratosphere
C) Troposphere
D) Exosphere
Second layer of atmosphere Stratosphere extends from 12 Km to …..?
A) 40 km to 45 km
B) 45 km to 50 km
C) 50 km to 55 km
D) 55 km to 60 km
The boundary that separates Troposphere and Stratosphere is known as?
A) Tropo-boundary
B) Meso-boundary
C) Tropopause
D) Stratopause