Bacteria that form in pairs are called ___

A. streptococci.
B. diplococci
C. staphylococci
D. clostridium difficile

Correct answers only please

B. diplococci

The correct answer is B. diplococci.

The correct answer is B. diplococci.

To determine the correct answer, you can break down the question and analyze each answer option:

A. Streptococci: Streptococci are bacteria that form chains or clusters, rather than pairs.

B. Diplococci: Diplococci are bacteria that form pairs. This option matches the description provided in the question.

C. Staphylococci: Staphylococci are bacteria that form grape-like clusters, not pairs.

D. Clostridium difficile: Clostridium difficile is a specific type of bacteria, but it does not form pairs.

By analyzing each answer option, we can determine that B. diplococci is the correct answer.