Available Answers

1. 1.

   Choose the correct answer.

   1. _______________ is not one of the leaders in wind energy generation.
      1. China
      2. Afghanistan 
      3. USA
      4. Germany
   2. Coal, petroleum and _______________ are fossils fuels.
      1. natural gas
      2. uranium 
      3. iron
      4. bauxite
   3. _______________ is the best quality coal with 90 per cent 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. _______________ is an energy source available to us which is non-polluting and renewable.
      1. Fossils fuel
      2. Sun
      3. Petroleum
      4. Wood
2. 2.

   Fill in the blanks.

   1. ____________ is likely to be exhausted in a couple of centuries.
   2. Tehri Dam is located on ______________ river.
   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. Cloudy areas can easily generate a lot of solar power.
   2. Hydro power is generated from petroleum.
   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.

   What are the two types of energy sources? Explain with examples.