Q. For most bacteria, the optimum pH for growth lies between

View solution

Q. Which of the following is an abiotic elicitors?

View solution

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

View solution

Q. Thiobacillus thiooxidans has an optimum pH of

View solution

Q. Balanced growth is defined as

View solution

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

View solution

Q. 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

View solution

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

View solution

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

View solution

Q. The protoplast can be used to

View solution

Q. Which of the following is incorrect?

View solution

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

View solution

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

View solution

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

View solution

Q. Anchorage -dependent cells require

View solution

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

View solution

Q. Radical shifts in pH can be prevented by incorporating

View solution