Selective medium for corynebacterium diphtheriae -
Loffeler's serum slop
Tellurite blood agar
Chocolate agar
Tinsdale medium
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.
Bacteria