The 95% ethanol is equivalent to 110 proof 120 proof 170 proof 190 proof TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following was the first amino acid to be produced commercially? L-methionine L-glutamic acid L-cystine L-lysine TRUE ANSWER : ? YOUR ANSWER : ?
Why high concentration of sugars are not employed in the fermentation medium? Calcium lactate crystallizes from the medium and slows down the process of fermentation None of these High sugar concentration itself crystallizes Calcium lactate is not produced TRUE ANSWER : ? YOUR ANSWER : ?
The biotin level in obtaining L-gluatmic acid by fermentation using Micrococcus glutamicus is critical because None of these too low level prevents growths, hence L-glutamic acid production both (a) and (b) too high level prevents L-glutamic acid production TRUE ANSWER : ? YOUR ANSWER : ?
The species of Acetobacter which produces cellulosic strands to hold the cells in lime layer is Acetobacter schuetzenbachii Accetobacter orleanense Acetobacter curvum Acetobacter xylinum TRUE ANSWER : ? YOUR ANSWER : ?
The early assay employed for measuring penicillin activity were based upon the quantity required to prevent growth of S. aureus over None of these 24 mm diameter zone using the cylinder plate method of assay 20 mm diameter zone using the cylinder plate method of assay 200 mm diameter zone using the cylinder plate method of assay TRUE ANSWER : ? YOUR ANSWER : ?
Most productive species among the different vitamin B12 producing Pseudomonads is P. aureofaciens P. denitrificans none of these P. ovalis TRUE ANSWER : ? YOUR ANSWER : ?
The submerged fermentation of vinegar utilizes special fermentor designs known as acetator cavitator packed vinegar generator both (a) and (b) TRUE ANSWER : ? YOUR ANSWER : ?
A major organic acid produced by a microbial process used in foods is sulfuric acid citric acid oxalic acid uric acid TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following organism produces enzyme taka diastase? A. oryzae S. cerevisiae B. subtilis A. niger TRUE ANSWER : ? YOUR ANSWER : ?