List of top Environmental Microbiology Questions on Pathogens

Tuberculosis is predominantly caused by ________.

Kit Performance in an Outbreak
A researcher compiled the following information about the performance of a kit in an outbreak:

Infection StateKit Response
Disease (probability = 0.002)Positive response (probability = 0.98)
No DiseasePositive response (probability = 0.03)

The probability of detecting an infection for a positive result through the kit would be ______________________ (rounded off to three decimal places).

A microbial culture with a specific growth rate of $\mu_1$ (per hour) is being grown in a continuous reactor at steady state with hydraulic retention time (HRT) of 24 hours. The reactor is subjected to a perturbation by reducing the HRT to 12 hours. The reactor recovers and comes to a new steady state with a specific growth rate of $\mu_2$. Which one of the following statements is correct?