Multiple choice

Which of the following bacteria are examples of Gram-positive bacilli?

P. Escherichia coli Q. Corynebacterium diphtheriae R. Neisseria gonorrhoeae S. Listeria monocytogenes

Select the correct answer using the codes given below:

  1. P and Q

  2. P and S

  3. Q and R

  4. Q and S

  5. R and S
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Corynebacterium diphtheriae is a Gram-positive, aerobic, non-motile, toxin-producing, rod-shaped (bacillus) bacteria belonging to the order Actinomycetales. Listeria monocytogenes is a Gram-positive rod-shaped (baccillus) bacterium that causes the infection listeriosis.

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