Most predominant normal flora of human intestine is:: (A) Escherichia coli, (B) Streptococci, (C) Bacteroides, (D) Enterococci
Answer is C. Ans. C. BacteroidesMost common flora in humans is Bacteroides fragilis, which is an anaerobe. Among aerobes, Escherichia coli is the most common bacteria as a part of normal intestinal flora.