Explore topic-wise MCQs in Microbiology.

Which of the following is the necessary step for cultivating the microorganisms?

Which of the following is an abiotic elicitors?

Suspension cultures consist of cells and cell aggregates, growing dispersed in

Radical shifts in pH can be prevented by incorporating

The protoplast can be used to

Balanced growth is defined as

Semi-solid media, prepared with agar at concentrations of 0.5% or less are useful for the cultivation of

Which of the following is not an indirect method for the measurement of cell mass?

Callus cultures are amorphous cell aggregates arising from the unorganized growth of explants on an

The archaebacterium Halobacterium, an extreme halophile, and Sulfolobus, a thermoacidophile, can be cultured in the presence of antibiotics such as streptomycin and chloramphenicol because

The isolation of the gonorrhoea - causing organisms, Neisseria gonorrhoeae,from a clinical specimen is facilitated by the use of media containing

Anchorage -dependent cells require

Thiobacillus thiooxidans has an optimum pH of

For most bacteria, the optimum pH for growth lies between

The size of a single plant cell is usually within the range of

The cell mass can be measured optically by determining the amount of light scattered by a suspension of cells. The measurements are usually at a wavelength of

Stringent anaerobes can be grown in a media by taking special measure as