Available Answers

1. 1.

   Multiple choice questions:

   1. This disease is caused by polluted water.
      1. Measles
      2. Typhoid
      3. Cold
   2. This is non-biodegradable.
      1. Paper
      2. Plastic
      3. Fruits
   3. This cause a lot of pollution.
      1. LPG
      2. Petrol
      3. CNG
   4. We should not use ________________ bags.
      1. paper
      2. jute
      3. plastic
   5. This can be recycled.
      1. Glass
      2. Fruits
      3. Vegetables
2. 2.

   True-False:

   1. Land is polluted by dumping wastes in soil.
   2. methane is a non-poisonous gas.
   3. Diarrhoea is caused due to polluted water.
   4. paper is a non-biodegradable waste.
   5. Regular pollution check of vechiles prevent air pollution.
3. 3.

   Fill in the blanks:

   1. Pollution means the ________________  of air, water and land.
   2. ________________ waste remain in the soil for a long time and never rot.
   3. We should avoid the use of ________________ and polybags.
   4. The World Environment Day aims of taking care of ________________.
4. 4.

   Match column A with column B:

   Column A	Column B
   1. Burning of fuel	a. Biodegradable
   2. Drains of the cities	b. Land pollution
   3. Dumping wastes in soil	c. Non-biodegradable
   4. Wood	d. Air pollution
   5. plastic	e. Water pollution

    

5. 5.

   Name any two:

   1. Disease caused due to polluted water.
   2. Biodegradable wastes.
   3. Non-biodegradable wastes.
   4. Things that can be recycled.
   5. Things that cannot be recycled.
6. 6.

   Answer in one word:

   1. Contamination of air, water and land.
   2. The substance that contaminates air, water and land.
   3. A non-polluting fuel.
   4. The wastes that decompose and rot.
   5. To make new things out of waste products.