Industrialization and rise in demand of consumer goods have created a major problem in the form of wastes/garbage accumulation and its disposal especially in urban areas. The disposal of waste should be done in a scientific way. There are different methods of waste disposal. The method to be used depends on the nature of the waste. Some of the important modes of waste disposal are Incineration, Open dumping, Land fillings etc.
1. Burning of waste on high temperature to form ash is called :
a. Incineration
b. Land fillings
c. Composting
d. None of these
2. Wastes being dumped in low living areas is called :
a. Incineration
b. Land fillings
c. Composting
d. None of these
3. Disposable plastics plates should not be used because ________.
a. they are made up of light weight material
b. they are made of toxic materials
c. they are made up of biodegradable materials
d. they are made up of non biodegradable materials
4. Which of the following groups contain only biodegradable items?
a. Grass, flowers, leather
b. Grass, wood, plastics
c. Fruit peels, cake and lime juice
d. Cake, wood, grass
5. Organic wastes filled in a pit covered with a thin layer of soil is called :
a. Incineration
b. Land fillings
c. Composting
d. None of these
