Microbiology Mycobacterium scrofulaceum which cause scrofula, belongs to which groups of atypical mycobacteria – A Photochromogens B Scotochromogens C Non-photochromogens D Rapid growers π‘ Explanation Mycobacterium scrofulaceum which cause scrofula, belongs to which groups of atypical mycobacteria - β Correct Answer: B. Scotochromogens