question_answer 30)

  Choose the wrong statement. (a) High school pressure is caused by excessive weight and lack of exercise. (b) Cancers can be caused by genetic abnormalities (c) Social ulcers are caused by eating acidic food                (d) Acne in not caused by staphylococci

Answer:

  (d) Acne is a common human skin disease characterized by areas of seborrhea and pimples. Propone bacterium acnes is the anaerobic bacterium that causes acne. It is not caused by staphylococci.