atmosphere & climatology section 7 MCQ Questions & Answers Detailed Explanation

Answer: (a)

A cloudburst is sudden copious rainfall. It is a sudden aggressive rainstorm falling for a short period of time limited to a small geographical area. Generally cloudbursts are associated with thunderstorms.

Answer: (b)

1. Chinook wind- Rocky Mountains

2. Foehn- Northern slopes of the Alps

3. Sirocco- North African desert

4. Mistral - Southern slopes of Alps

Answer: (c)

Hurricanes begin as tropical disturbances in warm ocean waters with surface temperatures of at least 80 degrees Fahrenheit (26.5 degrees Celsius).

Answer: (d)

Jet streams are fast flowing, narrow air current found in the atmospheres of some planets including Earth. The main jet streams are located near the tropopause, the transition between the tropopause, the transition between the troposphere and the stratosphere.

Answer: (b)

Answer: (d)

1. The troposphere is the lowest portion of Earth’s atmosphere and is also where all weather takes place.
2. The stratosphere is a layer of Earth’s atmosphere. It is the second layer of the atmosphere as one go upward. About 20% of the atmosphere’s mass is contained in the stratosphere. The stratosphere is stratified in temperature, with warmer layers higher and cooler layers closer to the Earth.
3. The region of the earth’s atmosphere above the stratosphere and below the thermosphere, between about 50 and 80 km in altitude is Mesosphere. In the mesosphere, temperature decreases as the altitude increases. The ionosphere is defined as the layer of the Earth’s atmosphere that is ionized by solar and cosmic radiation. It lies 75-1000 km (46-621 miles) above the Earth.