Chemical methods of microbial control would be LEAST effective against which microbial entity?

a. enveloped virus

b. fungal cell

c. bacterial endospore

d. nonenveloped virus

The correct answer is option B. fungal cell.

Explanation:

Fungal cells are is more like animal cells or human cells which are Eukaryotic cells. The clinical methods of the microbial control will least work on these cells due to their close proximity to eukaryotic cells.

The traditional antimicrobial is not meant to act against pathogens like fungal cells.

Thus, the correct answer is option B. fungal cells.