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UPSC CSE World Geography — practice questions — page 7

Explore 360 free World Geography questions in UPSC CSE Geography. Open each question or exercise to read its content, reference answers and available explanation.

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World Geography questions and exercises with answers

Showing questions 181–210 of 360.

About what share of the planet's water is found in the oceans?Read the answer and worked solution →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 →

Worked practice questions

About what share of the planet's water is found in the oceans?

  1. 71 per cent
  2. 59 per cent
  3. 90 per cent
  4. 50 per cent
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Correct answer: A. 71 per cent

1. The rest is freshwater in ice, ground, lakes and air. 2. The oceans hold about 71 per cent. 3. The earth is called the Blue Planet. _Source: syllabus Fundamentals of Physical Geography, Chapter 13, Water (Oceans)._

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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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