Bacteriology Chapter 1 Quiz

Which of the following is not under THREE domains of life?

• Archaea

• Bacteria

• Virus

• Eukarya

Which statement clearly define "Stromatolites".

• It is a rock in the sea

• It is a sticky biofilm

• None of the above (excluding all of the above)

• All of the above (excluding none of the above)

Which of the following is the bacterium has no cell wall a.k.a peptidoglycan layer?

• Gram-positive bacteria

• Gram-negative bacteria

• Mycoplasma sp.

• Mycobacterium sp.

What is this process called?

• Transformation

• Transduction

• Transcription

• Transmission

Macrolides (Erythromycin)

• Against bacterial cell wall synthesis

• Against bacterial ribosomes

• Against bacterial DNA replication

• Against bacterial outer membrane permeability

Which microscopy is suitable in observing bacterial cell's surface damaged by antibiotics?

• Bright field microscopy

• Dark field microscopy

• Scanning Electron microscopy

• Transmission Electron microscopy

Which bacterial rRNA is recommended to be used in phylogenetic study?

• 5S

• 16S

• 18S

• 23S

Which of the following is not true regarding the functions of bacterial biofilm?

• Colonize an area

• Degrade antibiotics

• Resist antiseptics

• Prevent phagocytosis

Which antibiotic resistance mechanism is this?

• Target bypass strategy

• Low permeability of outer membrane

• Alteration of antibiotic target site

• Presence of efflux pumps

Which method in the image can be used to replace Minimum Inhibitory Concentration (MIC) test?

• LEFT

• RIGHT

• BOTH

• NONE