Atmosphere Quiz 1 - Environment Quiz By: scholastic world on 19:39 / comment : 0 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 Tag: atmosphere quiz environment quiz geography quiz physics quiz quizzes science quiz Share !