MCQ on Microbial Nutrition

What will be the decreasing order of viability of bacteria if they are stored at (a) 4-9°C (b) 0°C (c)-196°C

Under which phase of the growth the bacteria increases their size but do not divide?

A secretory system in Gram-negative bacteria with shows similarities with the flagella is:

Bacterial flagella and the ___________ secretory system of Gram-negative bacteria shares a common ancestry.

It has been observed that the bacteria secrete certain chemicals at high population density to check the population size. This phenomenon is termed as:

The signalling molecule secreted by bacterial species during quorum sensing:

Exponential growth in bacteria would be expected during _____ phase of growth curve.

The electron acceptor in the anaerobic conditions in prokaryotes is:

Smooth movement of the bacteria during the chemotaxis is due to:

Chemolithotrophs obtain their carbon from CO2 and energy from:

The major function of type‐III secretion by pathogenic bacteria is:

Which of the following is the most complex secretory system in bacteria?

Which of the following is an example for chemolithotroph?

The bacteria can be best stored under starvation at 40C than at 370C because:

The Type III secretory system is present in: