Microbiology Questions

What organelle gives bacteria motility?

• plasmid

• cell wall

• flagella

• none of the above

What organelle can be passed between bacteria?

• plasmid

• nucleus

• nucleoid

• flagella

Gram positive bacteria have what?

• Thick cell wall

• Thin cell wall

What colour do gram positive bacteria appear to be?

• pink

• purple

• green

• white

Based on shape, the bacteria are of ______types.

• 2

• 3

• 4

• 5

Disease causing microorganisms are called_______

• Pathogens

• Virus

• Bacteria

• Protozoa

Choose the word that is spelled correctly.​ (a)  

• microbiology
• microbilogy
• microbialogy
• miccrobiology

To differentiate between Gram positive and Gram negative bacteria _____________________ procedure will be used.

A Gram negative cell wall is __________ than a Gram positive one.

Which of the following statement is TRUE regarding Gram positive bacteria?

• Cell wall have high lipid content

• Lipopolysacharides layer is present

• crystal violet stain is retained

• Have 2 layers of cytoplasmic membrane.