6. Air and Water (Geography Quiz)

6. Air and Water (Geography Quiz) Questions

• 11

  What happens when air gets warmer?
  i. Air expands, becomes lighter and goes up
  ii. Capacity of air to hold the water vapour increases
  iii. Air becomes more humid
  A. Only i and ii
  B. Only ii
  C. Only iii
  D. All of the above

  Answer - D

  Solution

  Points to Know-
  When the temperature is high, the air gets heated, it expands, becomes lighter and goes up . This creates a low-pressure area
  Moisture in the air at any time, is known as humidity.
  As the air gets warmer, its capacity to hold the water vapour increases and it becomes more and more humid.

  Hide Answer

  Show Answer

• 12

  Rain gauge is used to-
  A. Measure the chances of rain
  B. Measure the amount of rain
  C. Measure the pH of rain
  D. None of these

  Answer - B

  Solution

  Points to Know-
  • Rain Gauge is used to measure the amount of rainfall

  Hide Answer

  Show Answer

• 13

  The correct order in water cycle is
  A. Evaporation, condensation, precipitation
  B. Condensation, evaporation, precipitation
  C. Evaporation, precipitation, condensation
  D. Precipitation, condensation, evaporation

  Answer - A

  Solution

  Points to Know-
  Water cycle-
  The sun’s heat causes evaporation of water into vapour.
  When the water vapour cools down, it condenses and forms clouds.
  From there it may fall on the land or sea in the form of rain, snow or sleet

  Hide Answer

  Show Answer

• 14

  Average salinity of the ocean is-
  A. 25 parts per hundred
  B. 35 parts per thousand
  C. 45 parts per hundred
  D. 55 parts per thousand

  Answer - B

  Solution

  Points to Know-
  • Salinity is the amount of salt in grams present in 1000 grams of water.
  • The average salinity of the oceans is 35 parts per thousand.

  Hide Answer

  Show Answer

• 15

  Dead Sea is known for its
  A. Large amount of birds
  B. Largest belt of volcanoes along the coast
  C. High tides
  D. High salinity

  Answer - D

  Solution

  Points to Know-
  • Dead sea in Israel has salinity of 340 grams per litre of water. Swimmers can float in it because the increased salt content makes it dense.

  Hide Answer

  Show Answer



« prev 1 2