<prompt> Branch that deals with medicinal drugs obtained from plants and other natural resources -PharmacognosyPharmacogeneticsPharmacogenomicsPharmacopia  <response>: Ans. is a i.e., Pharmacognosy Pharmacognosy : It is the branch the deals with the knowledge peaining to the medicinal drugs obtained from plants and other natural sources. Pharmacogenetics : Study of genetic basis for variability in drug response Pharmacogenomics : Use of genetic information to guide the choice of drug and dose on an individual basis. 