Environmental Studies · General Awareness

Sustainability and Recycling

2,584 Questions

Sustainability and recycling practices focus on minimizing environmental impact through resource conservation. Topics include life cycle assessment, eco-friendly manufacturing, and the conversion of discarded items into new goods. These themes are common in environmental studies papers for various government exams.

Recycling of materialsEco-friendly textilesSustainable manufacturingWaste reduction strategiesLife cycle assessmentGreen packaging innovations

Sustainability and Recycling Questions

Multiple choice

What is the least recycled material?

  1. paper

  2. plastic

  3. glass

  4. aluminum
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Plastic is notoriously difficult to recycle effectively compared to paper, glass, or aluminum due to economic factors, degradation upon melting, and the vast multitude of polymer types. Consequently, it has one of the lowest recycling rates among common materials.

Multiple choice

The three E's that explain the value of recycling are

  1. Environment, Ecosystem, Energy

  2. Energy, Environment, Ecology

  3. Energy, Environment, Economy

  4. Ecotone, Economy, Environment
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

The three E's of sustainability and recycling are Energy (saving resources), Environment (reducing pollution), and Economy (creating jobs and value).

Multiple choice

Which of the following is NOT a way to reuse an item?

  1. put your aluminum can in the recycling container

  2. clean a water bottle and refill it

  3. rechargable batteries

  4. use the same cloth shopping bags for grocery trips
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Putting a can in a recycling bin is the process of recycling, not reusing. Reusing involves using the same item again for its original or a new purpose without reprocessing.

Multiple choice

Which of the following practices would help achieve source reduction?

  1. more consumption

  2. increased use of plastics

  3. more packaging

  4. designing goods that last longer
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Source reduction aims to prevent waste from being created in the first place. Designing goods that last longer reduces the frequency of replacement and the total amount of waste generated over time.

Multiple choice

to lessen or make a smaller amount

  1. reduce

  2. reuse

  3. recycle

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

To reduce means to make something smaller in size, amount, or degree. This is a core concept in waste management.

Multiple choice

to use something again

  1. reduce

  2. reuse

  3. recycle

  4. double
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Reusing involves using an item more than once, either for its original purpose or for a new one, which extends the life of the product.

Multiple choice

in 4R the fourth R stands for

  1. reduse

  2. reuse

  3. recycle

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

The 4R concept for waste management stands for Reduce, Reuse, Recycle, and Recover. Reduce means minimizing waste generation, Reuse means using items multiple times, Recycle means converting waste into new materials, and Recover means extracting energy or materials from waste that cannot be recycled.

Multiple choice

What are continuous resources

  1. Resources that will run out

  2. Resources that will always exist

  3. Resources that aren't recyclable

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

Continuous resources, also known as inexhaustible resources, are those that are constantly available regardless of human use, such as sunlight or wind.

Multiple choice

What is recyclable resources

  1. Resources that can be recycled

  2. Resources that can’t be recycled

  3. Resources that are pulled out of the ground

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

Recyclable resources are materials that can be processed and reused after their initial use, such as glass, paper, and certain metals.

Multiple choice chemistry synthetic fibres and plastics environmental impact: plastics plastic plastic plastic waste garbage in, garbage out

Plastics are eco-friendly.

  1. True

  2. False
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Plastics are human-made polymers and are non-biodegradable which means they cannot be easily handled and cannot be decomposed or dissolved by natural agents like microbes (e.g. bacteria, fungi), abiotic elements like temperature, UV, oxygen, etc. Thus are not eco-friendly.
Option B is correct

Multiple choice

An example of something that is biodegradable is.

  1. a leaf in a compost pile

  2. a plastic milk jug in a landfill

  3. a polystyrene burger container in a trash can

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

A leaf is organic matter that naturally decomposes through biological processes, making it biodegradable.