Question : In the atmosphere, the lowermost layer is _______.
Option 1: troposphere
Option 2: exosphere
Option 3: ionosphere
Option 4: stratosphere
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Correct Answer: troposphere
Solution : The answer is the troposphere.
The lowermost layer of the Earth's atmosphere is called the troposphere. It contains all the necessary gases that are vital for the existence of life on Earth.
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Question : The temperature increases rapidly above:
Option 1: Ionosphere
Option 2: Exosphere
Option 3: Stratosphere
Option 4: Troposphere
Question : In which layer of the atmosphere do the meteorites burn up on entering from space?
Option 1: Stratosphere
Option 2: Thermosphere
Option 3: Mesosphere
Option 4: Exosphere
Question : Where do most of the weather phenomena take place?
Option 2: Troposphere
Option 4: Tropopause
Question : A star appears twinkling in the sky because of :
Option 1: scattering of light by atmosphere
Option 2: reflection of light by atmosphere
Option 3: refraction of light by atmosphere
Option 4: diffraction of light by atmosphere
Question : Which of the following statements is not correct regarding the stratosphere?
Option 1: It lies above the mesosphere
Option 2: It extends up to a height of 50 km
Option 3: It contains a layer of ozone gas
Option 4: This layer is almost free from clouds.
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