All of the following gram negative bacilli except 1-E.Coli 2-Pseudomonas 3- Salmonella 4- Streptococci

4- streptococci        thank you

E.Coli - Pseudomonas - Salmonella : gram negative and Streptococci gram positive.

4. Streptococci

The correct answer is4. Streptococci

Fourth choice Streptococci

streptococci are gram positive cocci arranged in chains

gram positive cocci

Answer is number4- Streptococci

Streptococci ---Not Gram Negative Bacilli---