Microbiology Bacteria 6212ec3b String of pearl appearance seen in: A Clostridium B Bacillus anthracis C Pneumococcus D Staph, aureus High-Yield Explanation Ans. is 'c' i.e., Bacillus anthracisOn penicillin agar-string of pearl appearance is seen and in Gelatin stab culture inverted fir tree appearance is seen.