MCQ Atmosphere SET 12

1. The phenomenon of Aurora Borealis, the display of red and green lights in northern hemisphere is due to radiations from ________

2. Which of the following are true regarding ionosphere?

I. It is the uppermost layer of atmosphere
II. The molecules and atoms of nitrogen and oxygen in this layer absorb a part of solar radiation and become ionized
III. This layer is responsible for reflecting back the radio waves transmitted from the earth

3. Wind in the Southern hemisphere is deflected towards left due to ________

4. The form of precipitation in which the raindrops get frozen into ice on coming in contact with a cold layer of air near the earth's surface is called ________

5. The term used for the zone at low pressure and light and variable winds in the oceanic equatorial region is ________

6. In the Southern hemisphere the Westerlies blow from ________

7. The atmospheric layer farthest from the Earth's surface is known as

8. Which one of the following constituents of the atmosphere causes greatest changes in climate and weather?

9. The velocity of winds is related to ________

10. Which of the following are the ideal conditions for the phenomenon of temperature inversion to occur?

I. Long nights
II. Cloudy sky
III. Calm and stable air
IV. Dry air