NPTEL Plastic Waste Management Week 2 Assignment Answers 2024

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NPTEL Plastic Waste Management Week 2 Assignment Answers 2024

1. What is the correct order of global solid waste composition in percentages according to the
World Bank report (2012)?

a. Metal < Glass < Paper < Plastic < Others < Organic
b. Metal < Paper < Plastic < Glass <Others < Organic
c. Metal < Glass < Plastic < Paper < Others < Organic
d. Paper < Plastic < Metal <Glass <Others < Organic

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2. Which among the following is/are a source(s) of plastic waste?

a. Industries
b. Commercial establishments
c. Fishing & shipping
d. All of the above

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3. Which of the following sectors is the least contributor to plastic waste, according to Mudgal et al., (2011)?

a. Packaging
b. Housewares, Leisure and Sports
c. Automobile
d. Agriculture

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4. According to Eunomia consultant firm of UK.______________ part of the ocean had the least
density of plastic waste.

a. Beach
b. Ocean Surface
c. Seafloor
d. Equally distributed over all the parts of ocean

Answer :- 

5. Which of the following mechanisms create microplastics from the macro plastics?

a. Physical disintegration
b. Photodegradation
c. Chemical degradation
d. All the above

Answer :- 

6. According to the rubbish report, which of the following is the correct order of plastic waste proportion in municipal sources of Plastic waste?

a. Chips & confectionary bags > PET bottles > Bottles, caps, lids
b. PET bottles >Food bags > Cling wrap
c. Straws > PET bottles > Packaging
d. Others > PET bottles > Food bags

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7. Which region has the second-largest share of annual global plastic inputs from the river to ocean according to Lebreton et al. (2017)?

a. Asia
b. Africa
c. Europe
d. Australia- Pacific

Answer :- 

8.

NPTEL Plastic Waste Management Week 2 Assignment Answers 2024
Answer :- 

9. According to Eunomia consultant firm of UK, which of the following is the major source of plastics in the marine environment?

a. Shipping litter
b. Land-based inland litter
c. Fishing litter
d. Primary microplastics

Answer :- 

10. Which of the following statements) is/are correct?

a. Plastic that is either littered or inadequately disposed of is called mismanaged plastic.
b. Plastics pollutants can be categorized into primary-, secondary-, or tertiary debris, based on size.
c. Mismanaged plastic waste could eventually enter the ocean.
d. Both a and c

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11. The breaking down of large plastics into much smaller pieces by wear and tear is known as biological disintegration.

a. True
b. False

Answer :- 

12. Ganges River is the second highest contributor of plastic waste to the ocean, according to
Lebreton et al. (2017).

a. True
b. False

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13. Microbeads which are used as scrubbers in cosmetics are a form of primary microplastics?

a. True
b. False

Answer :- 

14. On an average plastic, takes 50 years to decompose.

a. True
b. False

Answer :- 

15. Plastic litter on land creates both aesthetic and environmental nuisance.

a. True
b. False

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