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 10
A city is facing problems with landfill space due to accumulation of non-biodegradable waste. Suggest two solutions to reduce this problem.
A landfill contains both biodegradable and non-biodegradable waste. What environmental problems can arise from this situation?
Describe the difference between biodegradable and non-biodegradable substances with examples.
Describe two ways in which non-biodegradable substances can harm aquatic life.
Explain the environmental impact of non-biodegradable substances.
Explain why burning non-biodegradable substances like plastics is not an environmentally friendly solution.
A city is facing problems with landfill space due to accumulation of non-biodegradable waste. Suggest two solutions to reduce this problem.
A landfill contains both biodegradable and non-biodegradable waste. What environmental problems can arise from this situation?
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 characteristic of non-biodegradable substances?
(1) They decompose quickly
(2) They accumulate in the environment
(3) They are always organic
(4) They are used as fertilizers
Which of the following is a correct pair?
(1) Banana peel – Non-biodegradable
(2) Iron nail – Biodegradable
(3) Cotton cloth – Biodegradable
(4) Plastic cup – Biodegradable
Which of the following is a non-biodegradable pollutant?
(1) Sewage
(2) Dead leaves
(3) DDT
(4) Food scraps
Fill in the blank: __________ is the process of converting biodegradable waste into useful manure.
Fill in the blank: Biodegradable substances are mainly broken down by __________ and other decomposers.
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 __________.
Is it correct to say that all metals are non-biodegradable?
Is it true that all plastics are non-biodegradable?
True or False: Biodegradable substances always decompose at the same rate in all environments.
True or False: Biodegradable substances are always safe for the environment.
