Most common causative organism for lobar pneumonia is:

Ans. is 'c' i.e., Streptococcus pneumoniae* Most common cause of lobar pneumonia: Pneumococcus.* Most common cause of acute sinusitis: Pneumococcus.* Most common cause of adult meningitis: Pneumococcus.* Most common cause of atypical pneumonia: Mycoplasma pneumoniae.* Most common infection of pneumococcus: Otitis media.