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Select the INCORRECT pair.
Plastic glass - non-biodegradable
Vegetable - biodegradable
Paper cup - biodegradable
Kulhad - non-biodegradable
Kulhad - non-biodegradable
Identify the odd one out by distinguishing between biodegradable (decomposes naturally) and non-biodegradable (persists in the environment) materials.
Identify the odd one out by distinguishing between biodegradable (decomposes naturally) and non-biodegradable (persists in the environment) materials.
Analyze the definitions
Biodegradable materials (like vegetable waste, paper, or clay) are capable of being decomposed by bacteria or other living organisms. Non-biodegradable materials (like most plastics) do not decompose and persist in the environment.
Evaluate the pairs
Plastic glass is non-biodegradable (Correct). Vegetable is biodegradable (Correct). Paper cup is biodegradable (Correct). Kulhad (a clay cup) is made of natural earth and is biodegradable, so the label 'non-biodegradable' is incorrect.
A: Plastic is correctly identified as non-biodegradable. B: Vegetable is correctly identified as biodegradable. C: A paper cup is correctly identified as biodegradable.
D is correct because a 'Kulhad' (earthen cup) is made of clay, which is a natural substance that decomposes over time, making it biodegradable, whereas the option incorrectly labels it as non-biodegradable.
In science classification questions, always verify if the material is synthetic (usually non-biodegradable) or organic/natural (usually biodegradable).
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