<prompt> Safety pin appearance is seen in -Vibrio vulnificusVibrio parahemolyticusPseudomonas aeuroginosaH. influenzae  <response>: Ans. is b i.e., Vibrio parahemolyticus Bipolar staining safety pin appearanceo Some bacteria display a safety pin appearance due to the accumulation of dye at the poles of the cells,o This characteristic is called bipolar staining.o Bacteria showing bipolar staining are-1. Caiymmatobacter granulomatis Donovani granuiomads2. Pseudomonas mallei3. Pseudomonas pseudomallei4. Vibrio parahemolyticus5. Yersinia pestis6. H. ducreyi 