Tag: solid waste and its management

Questions Related to solid waste and its management

Steel, tin and copper are being substituted in many industries by

  1. Plastics

  2. Ceramics

  3. High strength glass fibres

  4. All the above


Correct Option: D

Which method of solid waste disposal is not being successful in India?

  1. Landfillings

  2. Compositing

  3. Sea Disposal

  4. Pulverization


Correct Option: A

Which solid waste disposal method is simple and economical?

  1. Landfilling method

  2. Incineration method

  3. Compositing method

  4. Pyrolysis method


Correct Option: A

Which solid waste method cannot be used commonly?

  1. Compositing

  2. Landfilling

  3. Pulverization

  4. Sea Disposal


Correct Option: C

With passage of time, filled up solid wastes will get stabilized by

  1. Decomposition

  2. Eutrophication

  3. Hydrolysis

  4. Urbanization


Correct Option: A

Action required to control soil pollution and to reduce soil pollution is called as

  1. Solid waste management

  2. Solid disposal

  3. Both A and B

  4. None of the above


Correct Option: A
Explanation:

Solid waste management is all those activities and action required to manage waste from its inception to its final disposal. This includes amongst other things, collection, transport, treatment and disposal of waste together with monitoring and regulation. 

Which of the following is not a method of source reduction?

  1. Making packages that weigh less

  2. Recycling

  3. Municipal composting

  4. Incineration


Correct Option: D

Peel of fruits and vegetables are mainly used for 

  1. Compost

  2. Weedicides

  3. Fertilizer

  4. All of the above


Correct Option: A
Explanation:

The peel of fruits and vegetables contain cellulose and pectin. These are the biodegradable form of wastes. They can be decomposed with the action of the microbes. These wastes are used for the production of compost which can be used as manure for the agricultural crops. 

Thus, the correct answer is option A. 

Which of the following solid waste can be easily decomposed?

  1. Nuclear waste

  2. Biodegradable

  3. Non-biodegradable

  4. All of the above


Correct Option: B

Rag pickers remove

  1. plastic, polythene, paper and metal wastes

  2. rags, cardboard, glass articles

  3. both (a) and (b)

  4. food articles.


Correct Option: C
Explanation:
Rag pickers remove recyclable materials from the wastes such as plastic, polyethene, paper, metal wastes, rags, cardboard, glass articles etc. because all these items can be recycled and reused. For example, the paper is recycled into a usable form, metals and plastic can be melted and recycled any number of times, glass articles are recycled to form new articles as the quality of glass is not affected on recycling. 
Food articles are biodegradable and hence, they are not recycled.
Hence, options A and B are correct.
So, the correct answer is 'both (a) and (b)'.