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State PSC Physical Geography — practice questions — page 16

Explore 928 free Physical Geography questions in State PSC Geography. Open each question or exercise to read its content, reference answers and available explanation.

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Physical Geography questions and exercises with answers

Showing questions 451–480 of 928.

In the lower atmosphere, pressure falls by about 1 mb for every rise of:Read the answer and worked solution →Lines connecting places having equal pressure are called:Read the answer and worked solution →The high-pressure belts along 30 N and 30 S are the:Read the answer and worked solution →The low-pressure belts along 60 N and 60 S are the:Read the answer and worked solution →The force from the earth's rotation that deflects winds is the:Read the answer and worked solution →The Coriolis force deflects wind in which direction in the northern hemisphere?Read the answer and worked solution →The Coriolis force is maximum at the poles and absent at the:Read the answer and worked solution →Wind blowing parallel to straight isobars, with gradient force balanced by Coriolis force, is the:Read the answer and worked solution →Wind circulation around a low-pressure centre is called:Read the answer and worked solution →The tropical convection cell between the ITCZ and 30 degrees is the:Read the answer and worked solution →The mid-latitude cell whose surface winds are the westerlies is the:Read the answer and worked solution →The appearance of warm water off the coast of Peru is known as:Read the answer and worked solution →The combined phenomenon of the southern oscillation and El Nino is called:Read the answer and worked solution →Cool air draining from high plateaus and ice fields into a valley is called:Read the answer and worked solution →A large body of air with little horizontal variation in temperature and moisture is an:Read the answer and worked solution →The boundary zone between two different air masses is a:Read the answer and worked solution →A front where the warm air is fully lifted above the land surface is:Read the answer and worked solution →Tropical cyclones are called what in the Atlantic?Read the answer and worked solution →Tropical cyclones need a large sea surface with temperature above:Read the answer and worked solution →The calm centre of a mature tropical cyclone, with subsiding air, is the:Read the answer and worked solution →Wind in the eye wall of a tropical cyclone can reach up to:Read the answer and worked solution →Catch the local windsRead the answer and worked solution →Pop the cyclone wordsRead the answer and worked solution →Run the pressure numbersRead the answer and worked solution →Slice the circulation termsRead the answer and worked solution →Cyclone or anticycloneRead the answer and worked solution →Sort the weather systemsRead the answer and worked solution →Type the numberRead the answer and worked solution →Circulation bingoRead the answer and worked solution →Water vapour in the air varies from zero to what per cent by volume?Read the answer and worked solution →

Worked practice questions

In the lower atmosphere, pressure falls by about 1 mb for every rise of:

  1. 80 m
  2. 10 m
  3. 20 m
  4. 50 m
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Correct answer: B. 10 m

1. Pressure decreases rapidly with height. 2. The fall is about 1 mb per 10 m. 3. The rate is not always constant. _Source: syllabus Fundamentals of Physical Geography, Chapter 10, Atmospheric Circulation and Weather Systems._

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Lines connecting places having equal pressure are called:

  1. Isobars
  2. Isotherms
  3. Isohyets
  4. Contours
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Correct answer: A. Isobars

1. Pressure is reduced to sea level for comparison. 2. They are isobars. 3. Close isobars mean a strong gradient. _Source: syllabus Fundamentals of Physical Geography, Chapter 10, Atmospheric Circulation and Weather Systems._

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The high-pressure belts along 30 N and 30 S are the:

  1. Polar high belts
  2. Subtropical highs
  3. Equatorial lows
  4. Sub polar lows
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Correct answer: B. Subtropical highs

1. Near the equator pressure is low. 2. At 30 degrees lie the subtropical highs. 3. Sub polar lows lie near 60 degrees. _Source: syllabus Fundamentals of Physical Geography, Chapter 10, Atmospheric Circulation and Weather Systems._

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