Environmental Studies · General Awareness

Sustainability and Recycling

2,607 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

Replacing plastic cups by paper cups for selling tea in trains may be preferred because

  1. paper cups are biodegradable

  2. paper cups are non-biodegradable

  3. plastic cups are biodegradable

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

Paper cups are biodegradable because they're made from plant fibers that microorganisms can break down naturally. Plastic cups are synthetic and persist in the environment for hundreds of years. Using paper cups reduces long-term environmental pollution.

Multiple choice

Which of these is a philosophy that encourages the design of products and processes that minimize the use and generation of hazardous substances?

  1. Biochemistry

  2. Bioremediation

  3. Analytical chemistry

  4. Environmental chemistry

  5. Green chemistry
Reveal answer Fill a bubble to check yourself
E Correct answer
Explanation

Green chemistry, also called sustainable chemistry, is a philosophy of chemical research and engineering that encourages the design of products and processes that minimize the use and generation of hazardous substances.

Multiple choice

What does the the term plasticulture refer to?

  1. Using plastic materials for medicinal purposes.

  2. Using plastic materials in kindergarten.

  3. Using plastic materials in computer hardware manufacturing.

  4. Using plastic materials in agricultural applications.

  5. Using plastic materials in food industry.
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

The term plasticulture refers to the practice of using plastic materials in agricultural applications.

Multiple choice

Which of the following is a non-biodegradable waste?

  1. Paper

  2. Polythene

  3. Peels of vegetables

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

Polythene is a non-biodegradable waste. Polyethylene is a polymer consisting of long chains of the monomer ethylene, which are non-biodegradable. 

Multiple choice

Noplasticland uses its limited foreign-exchange resources to buy plastic chips abroad for recycling into plastic products. Although the products thus manufactured earn more foreign exchange than the cost of buying the chips, that course is ill-advised. Noplasticland’s own territory has vast petroleum reserves, which can be extracted without spending almost any foreign exchange. Which of the following, if true, provides the strongest support for Noplasticland’s policy of buying plastic chips abroad?

  1. The price of plastic chips on international markets rose significantly in 2003.

  2. Noplasticland’s foreign-exchange resources dropped significantly in 2003.

  3. There is virtually no difference in quality between the plastic products manufactured from plastic chips and those manufactured from plastic obtained by extracting petroleum.

  4. Plastic chips are used in manufacturing roughly half the plastic products in the world today, and experts predict that plastic chips will be used even more extensively in the future.

  5. Facilities that process plastic chips can be built and operated in Noplasticland with substantially less foreign exchange expenditure than can provide facilities to process plastic obtained by extracting petroleum.
Reveal answer Fill a bubble to check yourself
E Correct answer
Explanation

The objective of the policy being pursued is saving scarce foreign exchange. So if what is stated in the option (5) is true then we can confidently say that the policy being pursued by Noplasticland is more optimal in meeting its objective of saving foreign exchange than the alternative suggested. Hence option (5) is correct.

Multiple choice

Directions: Read the following information and answer the given question.

Riya and Shyna are two siblings. Whenever Riya steps out of her room, she switches off the tubelights and fans whereas Shyna never cares for such things. Her mom always tells them to use electricity judiciously, but Shyna never follows her instruction. 

Which of following R’s of environmental conservation is talked about in the above paragraph?

  1. Reduce

  2. Reuse

  3. Recycle

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

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Multiple choice

Directions: Read the following information and answer the given question.

Anita has collected a lot of old notebooks. She cuts extra pages from her old notebook and makes a beautiful notepad. She carries it to her class. Her classmates also get motivated to do the same when they see her using this notepad. 

Which of the following pairs is/are correctly matched?

  1. Reduce - Increase the usage of electricity and water

  2. Reuse - Throw away used things instead of reusing them

  3. Recycle - Recycle paper, plastic, etc. to make required things instead of using the fresh ones

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

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Multiple choice

Which type of bags are not suitable for keeping eatables?

  1. Paper bags

  2. Plastic bags

  3. Jute bags

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

Plastic bags are non-biodegradable material. Such materials will not get decayed. If eatables are stored in plastic bags, this may contaminate the food stuff because plastics are made of poisonous dyes which get absorbed into the food and make it unfit for human consumption.

Multiple choice

Which of the following items can be recycled?

  1. Newspaper

  2. Earthen pot

  3. Wooden log

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

Wooden logs can be reused or repaired, but wood cannot be recycled. Animal fur can also be reused, but cannot be recycled. Hence, option (1) is the correct answer.