Atmosphere MCQ Questions and Answers for Practice

1. Choose the correct listing of radiation from the longest wavelengths to the shortest wavelengths:

1. gamma rays, radio, ultraviolet, infrared, visible, x-rays.
2. radio, gamma rays, ultraviolet, visible, infrared, x-rays.
3. x-rays, ultraviolet, infrared, gamma rays, visible, radio.
4. radio, infrared, visible, ultraviolet, x-rays, gamma rays.

2. Photochemical smog results from the interaction of pollutants in the presence of ................

1. sunlight
2. rainfall
3. water vapor
4. oxygen

3. Convection takes place because ................

1. cold air is less dense than warm air
2. cold air is more dense than warm air
3. warm air is more dense than humid air
4. warm and cold air have the same density

4. The ozone layer protects living things on Earth from ................

1. ultraviolet radiation
2. carbon dioxide
3. visible light
4. infrared rays

5. Most of the energy that heats Earth atmosphere is ................

1. blue light
2. infrared radiation
3. visible light
4. ultraviolet light

6. Relatively speaking, the earths atmosphere is:

1. stops when we reach space.
2. stops at the top of the troposphere.
3. very thin when compared to the earths diameter.
4. very thick when compared to the earths diameter.

7. Most of the clouds are formed in the:

1. stratosphere.
2. thermosphere.
3. troposphere.
4. mesosphere.

8. The layer of our atmosphere in which weather occurs is the ................

1. mesosphere
2. exosphere
3. troposphere
4. stratosphere

9. Which layer of the atmosphere protects Earth surface from being hit by most meteoroids?

1. mesosphere
2. thermosphere
3. troposphere
4. stratosphere

10. The four layers of the atmosphere from the top down are:

1. stratosphere, mesosphere, thermosphere, troposphere.
2. troposphere, stratosphere, mesosphere, thermosphere.
3. thermosphere, stratosphere, mesosphere, troposphere.
4. thermosphere, mesosphere, stratosphere, troposphere.

11. Instruments used to measure air pressure are called ................

1. hydrometers
2. barometers
3. thermometers
4. hygrometers

12. The pressure gradient force is proportional to:

1. the change in air density.
2. the speed necessary to achieve hydrostatic equilibrium.
3. the slope of the isobars.
4. the change in temperature expressed in Kelvin degrees.

13. The four factors that are totally responsible forwind are:

1. friction, centripetal acceleration, pressure gradient force, moisture content.
2. the Coriolis force, friction, the centripetal acceleration, the pressure gradient force.
3. the pressure gradient force, the Coriolis force, the centripetal acceleration, moisture content.
4. the centripetal acceleration, moisture content, friction, Coriolis force.

14. When climbing a high mountain, you get out of breath easily because ................

1. there is less oxygen in each cubic meter of air
2. air pressure is greater
3. the percentage of oxygen in the air decreases
4. the air is more dense

15. The atmosphere is ................

1. the layer of water in the oceans
2. the layer of gases that surrounds Earth
3. the layer in which weather occurs
4. the layer that contains the ozone layer