Q.1
As the sunlight heats the Earth or bodies of water, moisture begins to evaporate and rise into the air as ________.
  • water molecules
  • clouds
  • vapors
  • mist
Q.2
These are large, dark rounded clouds that are usually found in groups, lines or waves.
  • Stratoculumus clouds
  • Cumulonimbus clouds
  • Altostratus clouds
  • Mammatus clouds
Q.3
These clouds are vertical and have distinct edges. They often resemble popcorn.
  • Stratus clouds
  • Lenticular clouds
  • Cumulus clouds
  • Cirrus clouds
Q.4
Condensed water molecules collect _______ and a cloud is formed.
  • sun rays
  • dust particles
  • altitude
  • debris
Q.5
These are artificial clouds formed by the exhaust of aircrafts.
  • Lenticular clouds
  • Fog clouds
  • Nimbostratus clouds
  • Contrails
Q.6
These clouds are suspended in the air and are near the Earth’s surface.
  • Contrails
  • Fog clouds
  • Cirrostratus clouds
  • Lenticular clouds
Q.7
The study of weather conditions is known as ______.
  • meteorology
  • nephology
  • astrology
  • nephrology
Q.8
Clouds generally form in the Earth’s __________.
  • stratosphere
  • atmosphere
  • troposphere
  • mesosphere
Q.9
Cirrus clouds are ________ clouds.
  • vertical
  • low-level
  • middle-level
  • high-level
Q.10
Altocumulus clouds are __________ clouds.
  • vertical
  • low-level
  • middle-level
  • high-level
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