Time Left:
600
sec
1. What is the atmosphere composed of?
A. A.) Gasses
B. B.) Air
C. C.) Water
D. D.) Soil
2. What is air like?
A. A.) Colorless and odorless
B. B.) White
C. C.) Yellow
D. D.) Thin
3. What is the atmosphere made up of?
A. A.) Water vapor and dust particles
B. B.) Air
C. C.) Helium
D. D.) Nitrogen
4. How many kilometers from the earth the carbon dioxide and water vapor can go?
A. A.) 90 km high
B. B.) 9 km high
C. C.) 1 km high
D. D.) 2 km high
5. Who is fully responsible for the green house effect?
A. A.) Carbon dioxide
B. B.) Fuel
C. C.) Air
D. D.) Soil
6. What is increasing due to the burning of fossil fuels?
A. A.) Carbon dioxide
B. B.) Gas
C. C.) Gas
D. D.) Nitrogen
7. What is the second important component of the atmosphere?
A. A.) Ozone atmosphere
B. B.) The earth
C. C.) Gas
D. D.) Carbon
8. At how many kilometers above from the surface of the earth ozone can be found?
A. A.) 10 to 50 km
B. B.) 1 to 5 km
C. C.) 50 to 1 km
D. D.) 3 to 7 km
9. What is the function of ozone?
A. A.) Preventing the ultraviolet rays from the sun from reaching the earth
B. B.) Emit heat
C. C.) Emit carbon dioxide
D. D.) Purify oxygen
10. Where are dust mites located?
A. A.) At the layer of the atmosphere
B. B.) In the ozone layer
C. C.) In the tropics
D. D.) In the rain
11. Where are the largest concentration of dust particles are found?
A. A.) Water vapour
B. B.) The equator
C. C.) In dry air and in tropical and subtropical regions
D. D.) The gasses
12. What is the largest surface area of the earth?
A. A.) Temperate
B. B.) Water vapor
C. C.) Gas
D. D.) Density
13. Choose the right arrangement of the layers of the atmosphere?
A. A.) Troposphere, stratosphere, mesosphere, thermosphere, exosphere
B. B.) Troposphere, stratosphere, thermosphere, mesosphere, exosphere
C. C.) Troposphere, stratosphere, thermosphere, exosphere, mesosphere
D. D.) Troposphere, mesosphere, stratosphere, thermosphere, exosphere
14. What is troposphere?
A. A.) Lowest level of atmosphere
B. B.) Highest level of atmosphere
C. C.) Middle level of atmosphere
D. D.) None of the above
15. Which layer of the atmosphere is 8 km above the pole and 18 km high at the equator?
A. A.) Troposphere
B. B.) Stratosphere
C. C.) Mesosphere
D. D.) Exosphere
16. Who is known as tropopause?
A. A.) The layer that separates the troposphere and the stratosphere
B. B.) Stratosphere
C. C.) Mesosphere
D. D.) Ultraviolet
17. What are the important features in stratosphere?
A. A.) There is an ozone layer
B. B.) Carbon
C. C.) Oxygen
D. D.) Vulnerability
18. How high is mesosphere from stratosphere?
A. A.) 80 km high
B. B.) 10 km high
C. C.) 5 km high
D. D.) 8 km high
19. What is the median boundary?
A. A.) Layer above mesosphere
B. B.) Ozone
C. C.) Oxygen
D. D.) Carbon
20. Where is ion sphere located?
A. A.) 80 to 400 km above the mesosphere
B. B.) 8 to 4 km above the equator
C. C.) Of the equator and 90 to 100 km
D. D.) 5 km of mesosphere
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