Which of the following is an abiotic elicitors? All of these Osmotic shock Heavy metal ions UV irradiation TRUE ANSWER : ? YOUR ANSWER : ?
Callus cultures are amorphous cell aggregates arising from the unorganized growth of explants on an aseptic solid nutrient medium liquid medium solid nutrient medium solid or liquid medium TRUE ANSWER : ? YOUR ANSWER : ?
Anchorage -dependent cells require wettable surface for growth either (a) or (b) dry surface for growth nothing to do with the surface TRUE ANSWER : ? YOUR ANSWER : ?
For most bacteria, the optimum pH for growth lies between 3.5-4.5 4.5-5.5 5.5-6.5 6.5-7.5 TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following is not an indirect method for the measurement of cell mass? Cell dry weight Heat evolution Nutrient composition Viscosity TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following is the necessary step for cultivating the microorganisms? Preparing a culture medium for the growth of microorganisms Inoculating the microorganisms in the prepared medium Sterilizing in order to eliminate all living microorganisms in vessel All of these TRUE ANSWER : ? YOUR ANSWER : ?
Thiobacillus thiooxidans has an optimum pH of 0.5-6.0 9.0-9.5 6.5-7.5 2.0-3.5 TRUE ANSWER : ? YOUR ANSWER : ?
The protoplast can be used to create plant hybrid all of these study plant viral infections modify genetic information TRUE ANSWER : ? YOUR ANSWER : ?
Semi-solid media, prepared with agar at concentrations of 0.5% or less are useful for the cultivation of E.coli Lactobacilli Microaerophillic bacteria all of these TRUE ANSWER : ? YOUR ANSWER : ?
Suspension cultures consist of cells and cell aggregates, growing dispersed in none of these solid nutrient medium liquid medium solid or liquid medium TRUE ANSWER : ? YOUR ANSWER : ?