CBSE Class 10 Science 2017 · Paper 31/1/2/C · Question 1
What is a biodegradable substance ?
Answer
A biodegradable substance is broken down into simpler substances by micro-organisms such as bacteria; vegetable peels and paper are examples.
A biodegradable substance is a substance that can be broken down into simpler substances by biological processes, that is, by the action of micro-organisms such as bacteria and other saprophytes (decomposers). Examples: vegetable peels, paper, cotton cloth and cow dung.
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