MCQ on Microbial Nutrition

The electron acceptor in the anaerobic conditions in prokaryotes is:

Chemolithotrophs obtain their carbon from CO2 and energy from:

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

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

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

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

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

The Type III secretory system is present in:

Which of the following is an example for chemolithotroph?

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

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

The signalling molecule secreted by bacterial species during quorum sensing:

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

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

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