Available Answers

1. 1.

   Answer the questions given by choosing the most appropriate alternative.

   1.  Barren Island in ______________ has potential for developing geothermal energy.
      1. Andaman
      2. Lakshadweep
      3. Bay of Bengal
      4. Sundarban
   2.  Coal, petroleum and _______________ are fossil fuels.
      1. natural gas
      2. uranium
      3. iron
      4. bauxite
   3.  __________________ is the best quality coal with 90 percent carbon content.
      1. Anthracite
      2. Peat
      3. Lignite
      4. Bituminous
   4.  ______________ is widely used in creating plastics.
      1. Coal
      2. Natural gas
      3. Iron
      4. Petroleum
   5.  Natural gas is primarily composed of ________________ .
      1. methane
      2. carbon dioxide
      3. oxygen
      4. nitrogen
2. 2.

   Fill in the blanks.

   1.  Nuclear energy is the energy stored in the core of an __________________.
   2.  The Tarapur nuclear power plant is in the state of _________________.
   3.  Windmills have been used for a long time in the ________________, in Europe.
   4.  The Sardar Sarovar Dam is built on the River _________________.
   5. _____________________ is the most important fuel in the world.
3. 3.

   Write (T) for true and (F) for false.

   1.  Biogas is the energy within the interior of the Earth.
   2.  Tidal energy is generated from waterfalls.
   3.  Peat and lignite are high quality coal types.
   4.  India's main coal reserves are in the Chota Nagpur region in Jharkhand.
   5.  Solar energy is available in unlimited quantities and is a non-renewable energy source.
4. 4.

   Differentiate between Peat and Anthracite.

5. 5.

   Differentiate between Renewable and Non-renewable sources.

6. 6.

   Differentiate between Biogas and Natural gas.