All are dihydrofolate reductase antagonists, EXCEPT-
Ans. is 'b' i.e., Cytosine Arabinoside Dihydrofolate reductase antagonists are o Methotreyate o Pentamidine o Trimethoprim o Pyrimetham ne
Methotrexate
Cytosine arabinoside
Pentamidine
Pyrimethamine