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Select the INCORRECT pair.
Plastic glass - non-biodegradable
Kulhad - non-biodegradable
Paper cup - biodegradable
Vegetable - biodegradable
Kulhad - non-biodegradable
Identify the item that DOES NOT decompose naturally. Kulhads are eco-friendly (made of clay), but are traditionally considered reusable or eventually soil-returning; however, in the context of common environmental classification in exams, 'Kulhad' is earth-based (biodegradable). 'Plastic glass' is clearly non-biodegradable, making the pair 'Kulhad - non-biodegradable' the incorrect one.
Identify the item that DOES NOT decompose naturally. Kulhads are eco-friendly (made of clay), but are traditionally considered reusable or eventually soil-returning; however, in the context of common environmental classification in exams, 'Kulhad' is earth-based (biodegradable). 'Plastic glass' is clearly non-biodegradable, making the pair 'Kulhad - non-biodegradable' the incorrect one.
Analyze Plastic glass - non-biodegradable
Plastic is a synthetic polymer that does not break down by natural processes. Thus, the pairing is correct.
Analyze Kulhad - non-biodegradable
A Kulhad is a traditional clay cup. Clay is natural, earth-based, and inherently biodegradable. Calling it 'non-biodegradable' is factually wrong.
Analyze remaining pairs
Paper cups (cellulose) and vegetables (organic matter) are both classified as biodegradable materials. These pairs are correct.
A: Correctly paired as plastic is non-biodegradable. C: Correctly paired as paper is biodegradable. D: Correctly paired as organic vegetable waste is biodegradable.
B is correct because a Kulhad is made of natural clay, which is biodegradable, making the pairing 'non-biodegradable' incorrect.
In questions asking for the 'INCORRECT' pair, always look for the option that contradicts basic environmental definitions of organic vs. synthetic waste.
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