- P. Methane is commonly used as a biofuel. It is a major component of natural gas and is used as a renewable energy source. So, P matches with 3 (Biofuel).
- Q. Glycolipids are used in the production of biosurfactants, which are surface-active compounds used in various industrial applications, including cleaning and oil recovery. So, Q matches with 1 (Biosurfactant).
- R. Polyhydroxy alkanoate is used to produce bioplastics, which are biodegradable plastics made by microorganisms. So, R matches with 2 (Bioplastic).
Step 1: Conclusion
The correct matching is (C) P-3, Q-2, R-1.