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TLS Online TPP Program

#Question id: 34079

Which of the following are advantages of the spread plate method?

#XL - S Microbiology
  1. It allows for the enumeration of viable microorganisms in a sample.
  2. It is suitable for quantifying microbial populations.
  3. It requires the use of molten agar.
  4. It provides a surface for colony growth, facilitating isolation. 
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TLS Online TPP Program

#Question id: 31427

#XL - S Microbiology

If the number of bacteria in a culture doubles every 30 minutes, how many bacteria will be present after 3 hours if the initial count is 50?
TLS Online TPP Program

#Question id: 31428

#XL - S Microbiology

If a bacterial species has a generation time of 20 minutes, how many generations will occur in 2 hours?
TLS Online TPP Program

#Question id: 31429

#XL - S Microbiology

In denitrification, nitrite (NO₂⁻) is reduced to which of the following products?
TLS Online TPP Program

#Question id: 31430

#XL - S Microbiology

Which of the following bacteria can grow in the presence of oxygen?
TLS Online TPP Program

#Question id: 31431

#XL - S Microbiology

Which bacterial type grows best in high oxygen concentrations and cannot survive without oxygen?
TLS Online TPP Program

#Question id: 31432

#XL - S Microbiology

Which of the following antibiotics binds to D-Ala-D-Ala amino acids to inhibit peptidoglycan cross-linking?