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Edible films made from ________ proteins or polysaccharides offer biodegradable alternatives to plastic packaging.
- Synthetic
- Plant/Animal
- Petroleum-based
- Metallic
Answer: Plant/Animal
Biopolymers: zein (corn), whey (milk), chitosan (crustacean), alginate (seaweed) form edible/biodegradable films. Reduce plastic waste; challenges: mechanical strength, moisture barrier. Research at Indian food tech institutes. [[MoFPI Reports, NCERT Chemistry Class 12]]