Environmental Studies · General Awareness

Waste Management and Pollution

2,230 Questions

Waste management and pollution control address waste-to-energy technologies, hazardous disposal, and organic recycling methods. The questions cover landfilling, bioremediation, and marine debris indicators. This topic holds significant weight in UPSC, State PSC, and SSC general studies and environmental exams.

Waste-to-energy technologiesHazardous waste disposalBiogas storage methodsOrganic waste compostingPlastic pollution

Waste Management and Pollution Questions

Multiple choice

Example of low cost sewage disposal is

  1. Septic tank

  2. Chemical toilets

  3. Composting pits

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

Much expenses are not need for disposing sewage in all of these options.

Multiple choice

Which of the following refers to the treatment and disposal of human waste?

  1. Waste hierarchy

  2. Industrial wastewater treatment

  3. Agricultural wastewater treatment

  4. Sewage treatment

  5. Radioactive waste treatment
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Sewage treatment is the treatment and disposal of human waste. Sewage is produced by all human communities and is often left to compost naturally, or is treated using processes that separate solid materials by settlement and then convert the soluble contaminants into biological sludge and gases such as carbon dioxide or methane.

Multiple choice

What do you understand by metabolic wastes?

  1. The wastes including metals

  2. The wastes produced by factories

  3. The wastes produced by the chemical processes in living beings

  4. The wastes which cannot be degraded
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

The correct option is (3).

Multiple choice

Which of the following is an incorrect statement?

  1. It is difficult to dispose plastic.

  2. Recycled plastic bags are harmful for storing food.

  3. The burning of plastic gives out harmful gases.

  4. Plasticware cannot be used in the kitchen to store food items.
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Plasticware can be used in the kitchen to store food items. 

Multiple choice

What is/are the best way(s) to minimise plastic waste?

  1. Make minimum use of plastic bags.

  2. Burn all the plastic waste.

  3. Dump all the plastic waste.

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

 The best way to minimise plastic waste is to make minimum use of plastic bags and other plastic commodities.

Multiple choice

How should the students help keep their school clean?

  1. They will put waste materials in the appropriate dustbin in order to dispose of the waste properly.

  2. They should put waste materials in the appropriate dustbin in order to dispose of the waste properly.

  3. They should put waste materials on the appropriate dustbin in order to dispose of the waste properly.

  4. They should put waste materials in the appropriate dustbin for dispose of the waste properly.

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

'Should' is used to recommend or to suggest. Garbage is put 'in' the dustbin.

Multiple choice

It is advised not to burn plastic materials because

  1. they stick to the ground and do not burn completely

  2. they release poisonous fumes

  3. they vigorously react on heating and cause accidental burns

  4. they decompose quickly

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Plastics do not get burnt easily and release a lot of poisonous fumes in the atmosphere causing air pollution. Hence, it advised not to burn plastic materials.

Multiple choice

Organic wastes come under the category of

  1. physical pollutants

  2. chemical pollutants

  3. biological pollutants

  4. None of these
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Correct Answer: chemical pollutants Those water pollutants which effect the properties of water are categorised as chemical pollutants. For example, urea is an organic pollutant, which is basic in nature and thus increases the pH of the soil. 

Multiple choice

Why is plastic considered a non-biodegradable substance?

  1. Because it is not obtained from natural resources.

  2. Because it releases lot of poisonous fumes on burning.

  3. Because it is not decomposed by natural processes.

  4. Because it is a poor conductor of heat and electricity.
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Plastic is said to be non-biodegradable because it is not easily decomposed by natural processes.