Oh boy...........
😱
Here's the dictionary definition from Merriam-Webster:
pharmacy
Main Entry
😛har·ma·cy

Pronunciation: \ˈfär-mə-sē\ Function:
noun Inflected Form(s):
plural phar·ma·ciesEtymology:Late Latin
pharmacia administration of drugs, from Greek
pharmakeia, from
pharmakeuein to administer drugs, from
pharmakon magic charm, poison, drugDate:1651 1
: the art, practice, or profession of preparing, preserving, compounding, and dispensing medical drugs2 a
: a place where medicines are compounded or dispensed b
: drugstore3
: pharmacopoeia 2
Are you talking about subjects that one must take as a prerequisite? If so, then botany and plant biology aren't prereqs anywhere.
You need to be more specific regarding your second question. Are you talking about pre-pharmacy studies at a college or the courses at an actual pharmacy school?