Mixture of several gases form our

• Surface

• Photonic teplate

• Atmosphere

• Temperature

It is the lowest and the densest layer of the atmosphere

• Troposphere

• Thermosphere

• Exosphere

• Stratosphere

The uppermost layer of the Atmosphere is called

• Thermosphere

• Troposphere

• Exosphere

• Stratosphere

Ozone is concentrated in the lower part of

• Thermosphere

• Stratosphere

• Tropopause

• Exosphere

The percentage of nitrogen in the atmosphere is

• 78%

• 21%

• 10%

• 0.01%

The ............................... layer is also known as Ozonosphere

• Troposphere

• Stratosphere

• Mesosphere

• Exosphere

The boundary between troposphere and stratosphere is called

• Stratopause

• tropopause

• Mesopause

Ozone layer protect us from the .......................... rays

• Ultraviolet

• Tropopause

• Ionosphere

• Moon

Electrically charged particles called ions are found in this layer

• Stratosphere

• Thermosphere

• Exosohere

• Mesosphere

Straight Horizontal or Undisturbed layer is present .........................................

• Exosphere

• Troposphere

• Stratosphere

• Mesosphere