Pharmacology General 760a73e2 Etoposide acts by - A Inhibition of dihydrofolate B Inhibition of topoisomerase C Inhibition of purine synthesis D Inhibition of protein synthesis High-Yield Explanation Ans. is 'b' i.e., Inhibition of topoisomerase o Etoposide and teniposide are natural anticancer drugs. o They act by inhibiting topoisomerase II that leads to DNA strand breakage.