Question

3. Methylene blue stain is used to observe ...
a. Plankton
b. Bacteria
c. Algae
d. Viruses​

Answer 1

Answer:

b) bacteria gram stain is used for it

hope it's helpful

Answer 2

bacteria is the right answer

Methylene blue is a commonly used stain that helps us see microscopic life in brilliant color. Biologists often add a drop or two of methylene blue to bacteria on a glass slide before placing the slide under the microscope. The blue color that stains the bacteria helps biologists see their shapes.

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