Q&A Microbiology (General)

 1. Which culture media is used to differentiate between LF and NLF bacteria?

MacConkey agar

2. What percentage of agar is present in solid media?

2%

3. Which culture method is done for antibiotic sensitivity testing?

Lawn culture

4. Name the gram positive bacilli

Bacillus, Corynebacterium, Clostridium, Listeria

5. Darting motility is a characteristic feature of which bacteria?

Vibrio

6. Which culture media is made by heating blood agar?

Chocolate agar

7. What is plasmid?

Extrachromosomal DNA present in bacteria

8. All capsulated bacteria have capsules composed of polysaccharide except one bacteria. Which bacteria is that?

Bacillus anthracis( polypeptide)

9. Name a fungus that is urease positive

Cryptococcus neoformans 

10. Name a few bacteria that produces H2S

Salmonella, Proteus