<prompt> Selective medium for corynebacterium diphtheriae -Loffelers serum slopTellurite blood agarChocolate agarTinsdale medium  <response>: Ans. is b i.e., Tellurite blood agar d i.e., Tinsdale medium Tellurite blood agar Tinsdale medium is the selective medium for corynebacterium diphtheriae as tellurite inhibits growth of most other bacteria. 