All are dihydrofolate reductase antagonists, EXCEPT-: (A) Methotrexate, (B) Cytosine arabinoside, (C) Pentamidine, (D) Pyrimethamine
Answer is B. Ans. is 'b' i.e., Cytosine Arabinoside Dihydrofolate reductase antagonists are o Methotreyate o Pentamidine o Trimethoprim o Pyrimetham ne