Biodegradable Solid Wastes

Q.

What is meant by bioprocessing?

Q. Meteorology is the study of inter-relationships between the components of air, geological movement of earth, natural cycles and climate.

1. True
2. False

Q. Which among the following is a biodegradable waste?

1. 
2. 
3. 
4. 

Q.

Which among the following pictures are biodegradable substances?

1. 1

2. 2

3. 3

4. Both A and B

Q. What could be the substances in '?' that increase the soil fertility?

1. Polethlene bags, crockery items, softdrink cans
2. Kitchen waste, leaves, fruit peels
3. Wrappers of chips, waste CDs, unused batteries
4. Softdrink cans, leaves, urea

Q.

How does the Meteorological Department of a country help the nation? [5 MARKS]

Q.

The green bins provided by municipality are used for collecting which type of waste?

1. Metals

2. Plastics

3. Glass

4. Kitchen wastes

Q. Pollution from animal excreta and organic waste from the kitchen can be most profitably minimized by:

1. Storing them in underground storage tanks
2. Vermicomposting
3. Biogas production
4. Landfills

Q. Biodegradable waste is degraded by ____________ .

1. incineration
2. microbes
3. acids
4. irradiation

Q.

Substances that are broken down by biological processes are said to be biodegradable.

1. True

2. False

Q.

Which of the following material takes the longest time for biodegradation?

1. Cotton

2. Paper

3. Bone

4. Jute

Q. What should be the nature of the waste in '3' to enhance the efficiency of the process in step '5'?

1. Plastics
2. Cadmium
3. Organic matter
4. Uranium

Q. Burning of non-biodegradable wastes releases harmful pollutants.

1. True
2. False

Q.

Which kind of garbage is not converted into compost by red worms?

1. Paper

2. Plastics

3. Vegetables

4. Crop residues