Atmosphere (or Air) related Multiple Choice Questions (MCQs). Earth’s atmosphere and the 5 layers of the Earth’s atmosphere quiz.
1. The 99% of the Earth’s atmosphere consists of
(C) Oxygen and Nitrogen
(D) Nitrogen and Water
2. By volume, Earth’s atmosphere (or air) contains about _____% of Nitrogen and _____% of Oxygen.
(A) 78, 21
(B) 21, 78
(C) 70, 25
(D) 25, 70
3. The lowest layer of Earth’s atmosphere (the closest to the surface of the Earth) is
ANSWERS: ATMOSPHERE MCQS
1. (C) Oxygen and Nitrogen
2. (A) 78, 21
3. (B) troposphere
- Which of the following is NOT a constituent of air (or Earth’s atmosphere)?
- The stratosphere layer is about _____ kilometres thick.
- The unit to measure ozone concentration is
- In which atmosphere layer(s) of the Earth temperature increases with the altitude?
- The increase of temperature with altitude in the stratosphere is due to
- The increase of temperature with altitude in the thermosphere is due to
- The coldest region of the Earth atmosphere is
- The average temperature in the mesopause is about
- Noctilucent clouds, the highest clouds in Earth’s atmosphere, are formed in the
- Cumulonimbus cloud (also known as thunderclouds) are formed in
- In which atmospheric layer meteors burn up when they enter the Earth’s atmosphere?
- The outermost layer of the Earth’s atmosphere is “Exosphere”. It starts at the height of
- The International Space Station orbits the Earth for _____ times per day.
- The “Ozone Layer” lies within the
- The average height of the troposphere is _____ kilometre.
- “Karman Line” is considered the border between the Earth’s atmosphere and outer space. It is at _____ above the sea level.