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प्रश्न
State whether the following is true or false.
The earth’s atmosphere contains 99 per cent oxygen, which is essential for life.
विकल्प
True
False
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उत्तर
False
Correct : The earth’s atmosphere contains 21% per cent oxygen, which is essential for life
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संबंधित प्रश्न
How are clouds formed?
Set up an experiment to measure gain and loss of heat by water, sand and air.
Match the following.
| A | B | ||
| 1. | Troposphere | (i) | Ozone |
| 2. | Stratosphere | (ii) | Ions |
| 3. | Thermosphere | (iii) | Outer Space |
| 4. | Exosphere | (iv) | Lowest Temperature |
| 5. | Mesosphere | (v) | Densest Layer of atmosphere |
Choose the correct answer.
This layer of the atmosphere has the lowest temperature.
Name the important gases that are found in the atmosphere.
What is the troposphere?
Why is the thermosphere important?
Name the four layers of the atmosphere.
Tick the correct answer
Which of the following layers of the atmosphere is free from clouds?
Answer the following question briefly:
Name the different layers of atmosphere.
Short Answer Type Question:
Give an account of the composition of the atmosphere. Also, discuss the importance of the components.
What is Biosphere?
There is cut-off signal when NASA rocket reaches in the region of ______.
Atmosphere is divided into two main vertical regions the upper portion is Heterospshere and the lower is ______.
Give Reason:
Exosphere is characterised by aurora Australis and aurora borealis.
The uppermost layer of the atmosphere is ______.
A ______ shows the direction in which the air is moving at a particular place.
Analogy:
Weather changes: Troposphere.
Ozone layer: ______.
Define troposphere.
Where does Ozone layer lie?
