Which of the following is a defined media?
A
LB broth B
Nutrient agar C
M9 medium D
Tryptic Soy Broth
Analysis & Theory
M9 medium has a known composition and is a defined medium.
What type of media supports growth of most non-fastidious organisms?
A
Selective media B
Enriched media C
General purpose media D
Minimal media
Analysis & Theory
General purpose media like nutrient agar support many common microbes.
Which media is used to grow anaerobic bacteria?
A
MacConkey agar B
Thioglycollate broth C
LB broth D
Blood agar
Analysis & Theory
Thioglycollate broth contains reducing agents to support anaerobes.
What type of media distinguishes microbes based on colony color or changes?
A
Selective B
Enriched C
Differential D
Transport
Analysis & Theory
Differential media shows visible differences in microbial characteristics.
Which of the following is a selective media?
A
Blood agar B
Chocolate agar C
MacConkey agar D
Nutrient agar
Analysis & Theory
MacConkey agar inhibits Gram-positive bacteria, making it selective.