Environmental Studies · General Awareness

Waste Management and Pollution

2,184 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

After completing an experiment, all chemical wastes should be

  1. left at your lab station for the next class

  2. dumped in the sink

  3. disposed of according to your teacher's directions

  4. taken home
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Chemical waste can be toxic or reactive. Teachers provide specific disposal instructions to ensure safety and environmental compliance.

Multiple choice geography pollution - preventive measures human activities and environmental degradation human activities and its impact on environment pollution, sources, effects and preventive measures

Industrial waste includes ___________.

  1. chemicals.

  2. toxic wastes

  3. radio-active waste

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

The smoke coming out from the industries contains both chemicals and paricles. It has small particles of dust, carbon, metals, other solids and radioactive materials. All these mix with the air and pollute it. These are also responsible for acid rain.

Multiple choice chemistry nuclear physics hazards and safety measures of radiations harmful effects and safety precautions for radiations energy production

The wastes generated from hospitals and industry, as well as the nuclear fuel cycle are generally known as 

  1. High-level waste

  2. Low-level waste

  3. Intermediate-level waste

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

Low level waste 

Waste contaminated with radioactive material, from hospitals like needle, syringes, medical tubes etc and from industries comes under low level waste. 

Multiple choice chemistry water too little to waste effects and conservation of water pollution water pollution, its effects and cures for a pollution free nature

Which of them are bio-degradable waste?

  1. Cow dung

  2. Animal bones

  3. Paper

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

Those waste materials which can be broken down to non-poisonous substances in nature in due course of time by the action of micro-organisms like certain bacteria, are called biodegradable waste. 
Cattle dung and compost are common examples of biodegradable waste. Other examples are animal bones, leather, tea leaves, wool, paper and wheat.

Multiple choice evs - i safety and first aid community health hygiene first aid

Which of these is a part of environmental hygiene

  1. Keeping the house clean.

  2. Throwing garbage in the dustbins.

  3. keeping dustbins covered.

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

  • Hygiene is a set of practices performed to preserve health. According to the World Health Organization (WHO), "Hygiene refers to conditions and practices that help to maintain health and prevent the spread of diseases."
  •  Personal hygiene refers to maintaining the body's cleanliness.
  •  Many people equate hygiene with 'cleanliness,' but hygiene is a broad term. Hygiene includes such personal habit choices as to how frequently to take a shower or bathe, wash hands, trim fingernails, and change and wash clothes.
  • Environmental hygiene includes attention to keeping surfaces in the home and workplace, including bathroom facilities, clean and pathogen-free and maintenance of dustbins for garbage. Hence, Keeping the house clean, Throwing garbage in the dustbins and keeping dustbins covered is a part of environmental hygiene. 
 So, the correct answer is 'All of these'.

Multiple choice biology garbage in, garbage out waste management and its methods garbage disposal solid waste and control

The rotting of garbage is said to be completed when the garbage

  1. Rot completely and not smell

  2. Rot almost completely, but still smell bad

  3. Rot only partially

  4. No change at all
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation
The rotting of garbage is said to be completed when the garbage has rotten completely without releasing any foul smell.
So, the answer is A.
Multiple choice biology garbage in, garbage out waste management and its methods garbage disposal solid waste and control

Biodegradable pollutants have following characters except:

  1. They are decomposed by microbes

  2. They are degraded rapidly

  3. They can be used to produce compost, manure, etc.

  4. Plastic, DDT are examples of biodegradble wastes
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

DDT, plastics, broken glasses are example of non-biodegradable wastes

So, the correct answer is 'Plastic, DDT are examples of biodegradable wastes'

Multiple choice biology garbage in, garbage out waste management and its methods garbage disposal solid waste and control

The methods of disposal of kitchen waste is

  1. Composting

  2. Landfilling

  3. Weeding

  4. Both A and B
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

The methods of disposal of kitchen waste include Composting as well as landfilling. Composting is a process in which organic matter like compost is decomposed. It is done with the help of certain micro-organisms which can utilize these organic substances and convert it into simpler substances. And landfilling is a process in which the compost is buried inside the land so that the gases produced by the rotten food and other organic material is disposed of. This also increases the nutritional value of the soil.