Available Answers

1. 1.

   Choose the correct option.

   1. Soil pollution is caused by (waste/cars/fire).
   2. Cholera is caused by (air/water/noise) pollution.
   3. Air pollution causes (global warming/hearing problem/kidney damage).
   4. Noise pollution is caused by (agricultural waste/loudspeakers).
   5. We (should/should not) use plastic.
2. 2.

   Fill in the blanks.

   1. The things, such as smoke or waste, that cause pollution are called ________________.
   2. All ________________ must undergo a pollution test.
   3. We should follow the three Rs-________________ waste, ________________ goods and ________________ things.
   4. Polythene bags are not ________________.
   5. Places near schools, colleges and hospitals must be made ________________.
3. 3.

   Define pollution.
4. 4.

   Name two natural causes of water pollution.
5. 5.

   What is the effect of waste accumulation in the soil?
6. 6.

   What is global warming?