Garbage Management
Trending Questions
What is garbage? What does garbage consist of?
Question 8
If all the waste that we generate is biodegradable, will this have no impact on the environment?
Which of the following is the best method to dispose of biological wastes from hospitals?
(a) landfill (b) recycling (c) incineration (d) composting
What is sewage? How is sewage disposed of?
Question 36
Suggest suitable mechanism(s) for waste management in fertilizer industries.
What is meant by incineration? For what purpose is it used?
Give a method for the disposal of household wastes such as left-over food, fruit and vegetable peels, and leaves of potted plants.
State two advantages of using disposable paper cups over disposable plastic cups.
What will happen to the garbage, and dead animals and plants in the absence of decomposers? Will the natural replenishment of the soil take place, even if decomposers are not there?
If a crop of wheat removes 20 kg of nitrogen per hectare of soil, what mass of the fertilizer calcium nitrate, Ca(NO3)2 would be required to replace nitrogen in 10 hectare field? (N = 14, O = 16, Ca = 40).
What is full form of GIGO in computer?
Human Resource Management is normally _______ in nature.
reactive
proactive
combative
None of the above
Name the various modes of waste disposal.
How are most of the solid wastes in urban areas disposed of is it used?
Question 12
In the following groups of materials, which group(s) contains only non-biodegradable items?
(i) Wood, paper, leather
(ii) Polythene, detergent, PVC
(iii) Plastic, detergent, grass
(iv) Plastic, bakelite, DDT
(a) (iii)
(b) (iv)
(c) (i) and (iii)
(d) (ii) and (iv)
Name the process by which the volume of solid wastes can be reduced.
Burning of waste substances usually at a high temperature of over 1000° C to convert them into ashes is called:
Eutrophication
Incineration
Desertification
Saponification
Every household produces a lot of material A daily. In one of the methods of disposal B, material A is burned at a very high temperature of about 1000o C in a structure called C. During this process, the organic matter present is removed as D and E whereas F is left behind (which can be dumped in a landfill site).
(a) What is material A?
(b) Name the method of disposal B.
(c) What is structure C known as?
(d) What are (i) D (ii) E, and (iii) F?
(e) This method is especially suitable for the disposal of material produced by certain institutions. Name such institutions.
- Transport of waste
- Treatment of waste
- Disposal of waste
- All of the above
- Chemical toilets
- Wastewater treatment plant
- Composting pits
- Septic tanks
The management of natural resources should take into account
A long-term perspective.
No or less harm is done to the environment.
Equitable distribution of natural resources.
All of the above.
Define machines used to burn hospital waste at high temperature.
Why it has been suggested that we should plant eucalyptus trees all along sewage ponds? Now explain what are the alternate low cost arrangements that exists for sewage disposal? [5 MARKS]
How you can behave as an active citizen and help in reduction in waste generation? [3 MARKS]
Write a note on world environment day
Suggest a cost-effective sewage disposal system where underground sewerage systems and refuse disposal systems are not available. [5 MARKS]
Give reasons for the following:
Garbage and untreated sewage should not be discharged into water.
Plastic waste is being generated on a large scale and it is non biodegradable and it is adding trash on Earth what best it can be put to ?explain
- Transport of waste
- Treatment of waste
- Disposal of waste
- Generation of waste
