Biodegradable and Non-biodegradable Substances
Chemistry ⇒ Environmental Chemistry
Biodegradable and Non-biodegradable Substances starts at 9 and continues till grade 12.
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See sample questions for grade 12
A city is facing problems with landfill space due to accumulation of waste. Suggest two ways to reduce non-biodegradable waste.
A landfill contains both biodegradable and non-biodegradable waste. What environmental issues can arise from this mixture?
Describe how the use of non-biodegradable pesticides can affect the food chain.
Describe the role of bacteria and fungi in the degradation of biodegradable substances.
Explain the difference between biodegradable and non-biodegradable substances with examples.
Explain the environmental impact of non-biodegradable substances.
A city is facing problems with landfill space due to accumulation of waste. Suggest two ways to reduce non-biodegradable waste.
A landfill contains both biodegradable and non-biodegradable waste. What environmental issues can arise from this mixture?
Which of the following is a biodegradable substance?
(1) Plastic bag
(2) Paper
(3) Aluminum foil
(4) Glass bottle
Which of the following is a correct pair?
(1) Biodegradable – Glass
(2) Non-biodegradable – Vegetable peels
(3) Biodegradable – Cotton cloth
(4) Non-biodegradable – Wood
Which of the following is a correct statement?
(1) Non-biodegradable substances are always toxic.
(2) Biodegradable substances never cause pollution.
(3) Biodegradable substances can be broken down by living organisms.
(4) All plastics are biodegradable.
Which of the following is a non-biodegradable pollutant?
(1) Sewage
(2) Vegetable peels
(3) DDT
(4) Cow dung
Fill in the blank: __________ is a process where biodegradable waste is converted into manure by the action of microorganisms.
Fill in the blank: Non-biodegradable substances can lead to __________ pollution if not managed properly.
Fill in the blank: Substances that cannot be decomposed by natural processes are called __________ substances.
Fill in the blank: The accumulation of non-biodegradable substances in the food chain is known as __________.
Is glass considered a biodegradable material?
Is it correct to say that biodegradable substances always have a positive impact on the environment?
Is it possible for a substance to be partially biodegradable?
Is it true that all natural substances are biodegradable?
