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 9
A city is facing problems with overflowing landfills. Most of the waste consists of plastic bags and bottles. What type of waste is this, and why is it a problem?
A farmer uses compost made from plant and animal waste. Is this compost biodegradable or non-biodegradable?
A school cafeteria separates food waste from plastic wrappers. Which type of waste management is being practiced for biodegradable substances?
Describe one environmental problem caused by non-biodegradable substances.
Explain how biodegradable substances contribute to the nutrient cycle.
A city is facing problems with overflowing landfills. Most of the waste consists of plastic bags and bottles. What type of waste is this, and why is it a problem?
A farmer uses compost made from plant and animal waste. Is this compost biodegradable or non-biodegradable?
A school cafeteria separates food waste from plastic wrappers. Which type of waste management is being practiced for biodegradable substances?
Which of the following is a biodegradable substance?
(1) Plastic bag
(2) Banana peel
(3) Aluminum can
(4) Glass bottle
Which of the following is a biodegradable waste?
(1) Broken glass
(2) Vegetable scraps
(3) Styrofoam cup
(4) Metal can
Which of the following is a correct pair?
(1) Biodegradable - Plastic
(2) Non-biodegradable - Glass
(3) Biodegradable - Aluminum
(4) Non-biodegradable - Paper
Which of the following is a correct statement?
(1) Biodegradable substances cause more pollution than non-biodegradable substances
(2) Non-biodegradable substances can be broken down by bacteria
(3) Biodegradable substances are safer for the environment
(4) Non-biodegradable substances are always natural
Fill in the blank: Biodegradable substances are broken down into __________ and nutrients.
Fill in the blank: Biodegradable substances are usually made from __________ sources.
Fill in the blank: Biodegradable substances help maintain the __________ of the environment.
Fill in the blank: Non-biodegradable substances can remain in the environment for __________ years without breaking down.
Is a jute bag biodegradable?
Is a plastic bottle biodegradable?
Is a woolen sweater biodegradable?
Is aluminum foil biodegradable?
