1. Which reducing agent is the second most major component in tea, used for the synthesis of gold nanoparticles through the green approach ? (1 pt) a) Catechin b) Theaflavin-3,3' digallate c) Epigallocatechingallate d) Myricetin 2. A nanoparticulate solution exhibited a Plasmon absorbance at approximately 530 nm. The nature of nanoparticles in this solution can be inferred as: (1 pt) a) Nano chains with oscillation of free electrons and the short wavelength plasmon band at 530nm originating from the transverse mode of vibration b) Nanospheres with Plasmon vibration at 530 nm. c) Aggregated nanoparticles. d) Pure macro gold solution