All organisms shows bipolar staining except Pseudomonas mallei

All organisms shows bipolar staining
except ?
a) Calymmatobacter granulomati
b) Y. pestis
c) Pseudomonas mallei
d) H. influenzae
Correct Answer - D
Ans. is ‘d’ i.e., H. influenzae
Safety pin appearance (Bipolar staining)

  1. yersinia pestis
  2. Vibrio parahemolyticus
  3. Burkholderia mallei
  4. Burkholderia pseduomallei
  5. Klebsiella granulomatis