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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Describe how biodegradable waste can be managed sustainably.
Describe one method to reduce the accumulation of non-biodegradable waste in the environment.
Discuss the role of microorganisms in the decomposition of biodegradable substances.
Explain the difference between biodegradable and non-biodegradable substances with examples.
Explain the environmental impact of non-biodegradable substances.
Explain why plastics are considered non-biodegradable.
Explain why the use of biodegradable packaging is encouraged over non-biodegradable packaging.
A city is facing problems with clogged drains due to waste. Which type of waste is most likely responsible?
(1) Food scraps
(2) Leaves
(3) Plastic bags
(4) Cardboard
A city is facing problems with clogged drains due to waste. Which type of waste is most likely responsible?
(1) Food scraps
(2) Leaves
(3) Plastic bags
(4) Cardboard
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 – Paper
Which of the following is a correct statement?
(1) Non-biodegradable substances are always toxic.
(2) Biodegradable substances can be recycled into compost.
(3) All metals are biodegradable.
(4) Plastics decompose quickly in nature.
Fill in the blank: __________ is an example of a non-biodegradable synthetic polymer.
Fill in the blank: Biodegradable substances are usually __________ in origin.
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 environment is called __________ pollution.
State whether the following statement is true or false: All synthetic materials are non-biodegradable.
State whether the following statement is true or false: Biodegradable substances contribute to the nutrient cycle in ecosystems.
State whether the following statement is true or false: Burning non-biodegradable waste is always an environmentally friendly solution.
True or False: Biodegradable substances can be broken down by microorganisms into simpler, harmless substances.
