Tag: solid waste and its management

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Questions Related to solid waste and its management

Multiple choice biology waste generation and management disposal of waste safe disposal of waste 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
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Modern materials science has led to the substitution of traditional metals like steel and copper with plastics, ceramics, and high-strength glass fibers in various industrial applications due to their specific properties.

Multiple choice biology waste generation and management disposal of waste safe disposal of waste solid waste and its management

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

  1. Landfillings

  2. Compositing

  3. Sea Disposal

  4. Pulverization
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Landfilling is often unsuccessful in India due to the lack of properly engineered sanitary landfills, leading to open dumping, leachate issues, and environmental contamination. Other methods like composting have seen more localized success.

Multiple choice biology waste generation and management disposal of waste safe disposal of waste solid waste and its management

Which solid waste disposal method is simple and economical?

  1. Landfilling method

  2. Incineration method

  3. Compositing method

  4. Pyrolysis method
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Landfilling is generally the most simple and economical method for solid waste disposal, especially when land is available. It requires minimal processing compared to incineration or pyrolysis.

Multiple choice solid waste and its management conservation of environment

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
Reveal answer Fill a bubble to check yourself
A Correct answer
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. 

Multiple choice solid waste and its management conservation of environment

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

  1. Making packages that weigh less

  2. Recycling

  3. Municipal composting

  4. Incineration
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Source reduction refers to activities that reduce the amount of waste generated at the source. Recycling, composting, and lightweight packaging are forms of source reduction or waste diversion, but incineration is a waste disposal method.

Multiple choice solid waste and its management conservation of environment

Peel of fruits and vegetables are mainly used for 

  1. Compost

  2. Weedicides

  3. Fertilizer

  4. All of the above
Reveal answer Fill a bubble to check yourself
A Correct answer
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. 

Multiple choice solid waste and its management conservation of environment

Which of the following solid waste can be easily decomposed?

  1. Nuclear waste

  2. Biodegradable

  3. Non-biodegradable

  4. All of the above
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Biodegradable waste consists of organic materials that can be broken down by microorganisms into simpler substances.

Multiple choice solid waste and its management conservation of environment

Rag pickers remove

  1. plastic, polythene, paper and metal wastes

  2. rags, cardboard, glass articles

  3. both (a) and (b)

  4. food articles.
Reveal answer Fill a bubble to check yourself
C Correct answer
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)'.