Available Answers

1. 1.

   Cross the things that are responsible for pollution.

   

2. 2.

   Write right or wrong for the following statements:

   1. Burning coal and wood at homes pollutes water.
   2. Air pollution can cause cough, breathing problems and burning of the eyes.
   3. Land pollution affects drinking water, rivers, lakes and oceans.
   4. Land pollution is the destruction of the water surface.
   5. Do not use polythene bags or plastic bags.
3. 3.

   Choose and write the correct option:

   1. Which of the following gas is not released from automobiles?
      1. Carbon dioxide
      2. Nitrogen oxide
      3. Both 
   2. Burning coal can cause _____________.
      1. air pollution
      2. land pollution
      3. water pollution
   3. Drinking polluted water can cause _____________.
      1. cold
      2. cough
      3. diarrhoea
   4. Land pollution reduce the _____________ of soil.
      1. colour
      2. fertility
      3. texture
   5. Which of the following should we not use?
      1. Paper bag
      2. Polythene bag
      3. Cloth bag
4. 4.

   What do you understand by pollution?
5. 5.

   What are the different types of pollution?
6. 6.

   What causes air pollution?