AI-generated practice question — model-generated for extra practice, not a previous-year CBSE board question.
(C) Empty plastic medicine strips, synthetic packaging material, plastic bags — all are non-biodegradable as they are human-made materials not broken down by biological processes.
The passage (Activity 13.5) lists empty medicine strips/bubble packs and broken footwear as examples of waste, and states that human-made materials like plastics are non-biodegradable. Options A and D contain biodegradable items (vegetable/fruit peels, tea leaves, cotton, dry leaves, paper). Option B includes spoilt food (biodegradable). Only Option C has all non-biodegradable items.