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NDA 2 2024 GAT, question 111

Topic: Geography

Q111

Which one of the following is correct ?

  1. (a) Pyroxene is commonly found in meteoritesCorrect answer
  2. (b) Amphiboles form about 20%20\% of the Earth’s crust
  3. (c) Quartz is soluble in water
  4. (d) The word ‘sedimentary’ is derived from the Latin word kelimentum

Solution.

Answer: (a) Pyroxene is commonly found in meteorites

  1. Pyroxenes are common minerals in meteorites, so (a) is correct.
  2. Amphiboles make up about 7% of the crust, not 20%, and quartz does not dissolve in water.
  3. Sedimentary comes from the Latin sedimentum, not kelimentum.