Question : Which of the following layers of the atmosphere means "region of mixing"?

Option 1: Stratosphere

Option 2: Troposphere

Option 3: Thermosphere

Option 4: Mesosphere

Question : The satellites orbit the Earth in which of the following layers of the atmosphere?

Option 1: Stratosphere

Option 2: Exosphere

Option 3: Troposphere

Option 4: Mesosphere

Question : The ozone layer is found in which of the following layers of the atmosphere?

Option 1: Stratosphere

Option 2: Troposphere

Option 3: Mesosphere

Option 4: Exosphere

Question : The atmospheric layer reflecting radio waves is called

Option 1: ozonosphere

Option 2: ionosphere

Option 3: stratosphere

Option 4: mesosphere

Question : Directions: Which one of the given responses is the meaningful order of the following?
1. Brahmaputra
2. Atlantic
3. Chilka
4. Bay of Bengal

Option 1: 2, 4, 1, 3

Option 2: 2, 4, 3, 1

Option 3: 3, 1, 4, 2

Option 4: 3, 4, 2, 1