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प्रश्न
Choose the correct answer.
This gas protects us from the harmful ultraviolet radiation.
पर्याय
Oxygen
Ozone
Helium
Hydrogen
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उत्तर
Ozone
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संबंधित प्रश्न
How does the atmosphere act as a blanket?
Demonstrate the formation of convective currents.
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 |
State whether the following is true or false.
Communication satellites orbit in thermosphere.
State whether the following is true or false.
The stratosphere extends from the top of the troposphere up to 80 km above the surface of the earth.
Name the important gases that are found in the atmosphere.
State any three characteristics of the mesosphere.
How is ozone important for us?
Mountaineers carry oxygen in cylinders when they climb mountains that are more than 5000 m high. What could be the reason for that?
______ reflects radio waves.
Match the following.
| 1. | Troposphere | Satellite |
| 2. | Stratosphere | Space craft |
| 3. | Exosphere | Ozone layer |
| 4. | Thermosphere | Meteors |
| 5. | Mesosphere | Weather change |
A layer of Ions inside the Mesosphere is called ______.
A layer located in stratosphere which absorbs ultraviolet rays of sun called ______.
The part of atmosphere which is consisted of variable gases with uneven composition is called ______.
Atmospheric layer important for human beings is ______.
______ layer contain ozone layer.
Highly reactive gas was later names ‘oxygen’ by ______.
Exosphere has a high temperature.
The two forms of oxygen found in the atmosphere are
