Air Masses, Fronts, Cyclones, Anticyclones, and Other Phenomena

1. What is the boundary zone called where two distinct air masses come into contact?

  1. Trough
  2. Front
  3. Ridge
  4. Isobar
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Answer: Option B. Front

2. What is a large air body in which the temperature and humidity are relatively constant across its horizontal extent?

  1. Air mass
  2. Jet stream
  3. Convection current
  4. Cyclone
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Answer: Option A. Air mass

3. Which of the following statements about air masses is/are accurate?

  1. Temperature, pressure, and humidity are uniform, and the air mass behaves as a single unit.
  2. An air mass is a large body of air where temperature and moisture levels are relatively consistent vertically.

Choose the correct answer from the options below:

  1. Only statement 1 is correct
  2. Only statement 2 is correct
  3. Both statements 1 and 2 are correct
  4. Neither 1 nor 2 is correct
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Answer: Option A. Only statement 1 is correct

4. What is the name of the boundary along which warm, less dense air rises slowly over cold, dense air?

  1. Cold front
  2. Occluded front
  3. Stationary front
  4. Warm front
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Answer: Option D. Warm front

5. Which of the following statements regarding air masses is/are correct?

  1. The regions where air masses form are referred to as source regions.
  2. They develop over areas with varied surface features when air remains stationary for long periods.

Choose the correct answer from the options below:

  1. Both statements 1 and 2 are correct
  2. Only statement 1 is correct
  3. Only statement 2 is correct
  4. Neither 1 nor 2 is correct
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Answer: Option B. Only statement 1 is correct