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State PSC Physical Geography — practice questions — page 19

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 541–570 of 928.

Geographers divide the oceanic part of the earth into how many oceans?Read the answer and worked solution →A major portion of the ocean floor lies how far below sea level?Read the answer and worked solution →The shallowest part of the ocean, with an average gradient of 1 degree or less, is the:Read the answer and worked solution →The very steep slope at which the continental shelf ends is called the:Read the answer and worked solution →The average width of continental shelves is about:Read the answer and worked solution →The largest continental shelf in the world, 1,500 km wide, is the:Read the answer and worked solution →Massive sediments received by continental shelves become the source of:Read the answer and worked solution →The gradient of the continental slope varies between:Read the answer and worked solution →The flattest and smoothest regions of the world, 3,000 to 6,000 m deep, are the:Read the answer and worked solution →How many oceanic deeps have been explored so far?Read the answer and worked solution →Iceland is a part of which ocean-floor feature?Read the answer and worked solution →Seamounts are of which origin?Read the answer and worked solution →The best known submarine canyon in the world is the:Read the answer and worked solution →A flat-topped seamount is called a:Read the answer and worked solution →Low tropical islands of coral reefs surrounding a central depression are:Read the answer and worked solution →The boundary zone of rapid temperature decrease with depth is the:Read the answer and worked solution →The average surface temperature of the oceans is about:Read the answer and worked solution →Salinity is the amount of salt in grams dissolved in how much seawater?Read the answer and worked solution →Salinity of normal open ocean ranges between:Read the answer and worked solution →The landlocked Red Sea has salinity as high as:Read the answer and worked solution →The zone where salinity increases sharply with depth is the:Read the answer and worked solution →Catch the ocean floor featuresRead the answer and worked solution →Pop the salty watersRead the answer and worked solution →Run the ocean numbersRead the answer and worked solution →Slice the minor reliefRead the answer and worked solution →High or low salinityRead the answer and worked solution →Sort the floor divisionsRead the answer and worked solution →Type the numberRead the answer and worked solution →Oceans bingoRead the answer and worked solution →The vertical motion of ocean water refers to:Read the answer and worked solution →

Worked practice questions

Geographers divide the oceanic part of the earth into how many oceans?

  1. Three
  2. Five
  3. Four
  4. Seven
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Correct answer: B. Five

1. They are Pacific, Atlantic, Indian, Southern and Arctic. 2. There are five oceans. 3. Seas, bays and gulfs are parts of them. _Source: syllabus Fundamentals of Physical Geography, Chapter 13, Water (Oceans)._

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A major portion of the ocean floor lies how far below sea level?

  1. 3 to 6 km
  2. 1 to 2 km
  3. 6 to 9 km
  4. 10 to 12 km
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Correct answer: A. 3 to 6 km

1. The floor has mountains, trenches and plains. 2. Most of it lies 3 to 6 km down. 3. Tectonic, volcanic and depositional forces shape it. _Source: syllabus Fundamentals of Physical Geography, Chapter 13, Water (Oceans)._

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The shallowest part of the ocean, with an average gradient of 1 degree or less, is the:

  1. Oceanic deep
  2. Continental shelf
  3. Continental slope
  4. Deep sea plain
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Correct answer: B. Continental shelf

1. It is the extended margin of each continent. 2. This is the continental shelf. 3. It ends at the shelf break. _Source: syllabus Fundamentals of Physical Geography, Chapter 13, Water (Oceans)._

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