Available Answers

1. 1.

   Choose the correct option.

   1. Mineral oil is extracted from the earth by the method of _______________.
      1. quarrying
      2. open-pit mining
      3. shaft mining
      4. drilling
   2. Which of the following countries is the leading producer of tin in the world.
      1. Indonesia
      2. Malaysia
      3. Thailand
      4. Vietnam
   3. The Kolar mine in Karnataka produces _______________.
      1. coal
      2. mica
      3. gold
      4. bauxite
   4. ________________ has the largest reserves of petroleum.
      1. south-east Asia
      2. western Europe
      3. north-east USA
      4. south-east Asia
2. 2.

   Fill in the blanks.

   1. A rock containing a large quantity of a particular mineral is called ________________.
   2. _______________ in Madhya Pradesh is a diamond mine in India.
   3. The world's largest coal reserves are in __________________.
   4. _________________ occurs in association with petroleum in the same geological structures.
3. 3.

   Mark the wrong statements and correct them.

   1. Non-metallic minerals are found in igneous rocks.
   2. Bauzite is the main ore of iron.
   3. Khetri in Rajasthan is an important copper producing region.
   4. Lignite is the finest quality coal.
4. 4.

   Complete the table.

   Mineral	Use
   iron
   	manufacturing of aircraft
   copper
   	soldering
   manganese
   	making jewellery

    

5. 5.

   Distinguish between open-pit mining and shaft mining.

6. 6.

   Which are the major iron producing countries in the world?