1. Which gas is mostly found in the atmosphere?
Answer. nitrogen
2. What is the permanent element of the atmosphere
Answer. water vapour
3. Earth's atmosphere is heated by
Answer. by radiation
4. Which inert gas is the most in the atmosphere
Answer. argon
5. Which gas is responsible for the greenhouse effect?
Answer. carbon dioxide (CO2)
6. Which gases protect us from getting scorched by the intense rays of the sun?
Answer. ozone
7. By the absorption of reflected infrared radiation from the Earth's surface - what is the process of temperature rise in Earth's atmosphere called?
Answer. Green House Effect
8. What is the percentage of nitrogen in the atmosphere
Answer. 78%
9. What is the average height of the troposphere from the ground?
Answer. 14 km
10. Which circle is also called convection zone
Answer. Troposphere
11. Where is the maximum density of the Earth's atmosphere
Answer. in the troposphere
12. What causes daily weather changes in the atmosphere?
Answer. due to the troposphere
13. Where is the ozone layer located?
Answer. stratosphere
14. What is the function of ozone layer in the stratosphere?
Answer. interception of ultraviolet radiation on the earth's surface
15. Long radio waves are reflected from which part of the earth?
Answer. from the ionosphere
16. Which chemical in the atmosphere is the reason for the depletion of ozone level?
Answer. chloro-fluorocarbon
17. In which part of the atmosphere 90% of the total amount of water vapor is present?
Answer. in the troposphere
18. Which part of the atmosphere is a part of the chemosphere?
Answer. ozone layer
19. Which circle is suitable for flying aeroplane?
Answer. stratosphere
20. What is the lower layer of the atmosphere called?
Answer. tropospheretroposphere