Wednesday, 23 November 2016

Quiz on Atmosphere 1
Environment Quiz with questions on Earth's atmosphere.


1. Name the atmospheric layer closest to the ground
Troposphere
Mesosphere
Thermosphere
Stratosphere

2. The most abundant gas on the earth's atmosphere is
Oxygen
Carbon
Nitrogen
Hydrogen

3. What atmospheric layer has most of the clouds?
Mesosphere
Thermosphere
Exosphere
Troposphere

4. An altitude of 100 kilometres (62 mi; 330,000 ft) above the Earth's sea level marks the beginning of space where human travellers are considered astronauts. What is it called?
Appleton–Barnett layer
Karman line
Heaviside layer
Van Allen belts

5. The study of weather is called?
meteorology
climatology
aeronomy
aerology

6. Which one of the following is NOT a primary layer of the atmosphere?
Mesosphere
Troposphere
Exosphere
Stratosphere

7. A millimetre of mercury is a manometric unit of pressure, defined as precisely 133.322387415 pascals. What is the symbol for a millimetre of mercury?
hhMg
MPA
mmHg
inHg

8. Name the atmospheric layer that is completely cloudless and free of water vapor.
Exosphere
Troposphere
Thermosphere
Stratosphere

9. The ozone layer or ozone shield is a region of Earth's atmosphere that absorbs most of the Sun's ultraviolet (UV) radiation. Which layer of the atmosphere contains ozone layer?
Troposphere
Mesosphere
Thermosphere
Stratosphere

10. What is the average atmospheric pressure at sea level as defined by the International Standard Atmosphere?
101325 pascals
14.6959 pascals
1013 pascals
984.43 pascals

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