Q. Which of the following are examples of biodegradable plastics?- PHA (Polyhydroxyalkanoates)
- PHB (Polyhydroxybutyrate)
- PLA (Polylactic acid)
- PVC
Select the correct option from the codes given below:
Answer:
1, 2 and 3
Notes: PHA, PHB (a type of PHA), and PLA are biodegradable plastics derived from renewable sources such as microbial fermentation and plant-based materials. PVC (polyvinyl chloride) is a synthetic polymer that is not biodegradable. Thus, only options 1, 2, and 3 are correct examples of biodegradable plastics.