The rapid process of microbial oxidation developed to produce acetic acid from ethanol at Schutzenbach, Germany is also known as packed generator both (a) and (b) Orleans process trickle method TRUE ANSWER : ? YOUR ANSWER : ?
Chlorotetracycline a broad spectrum antibiotic is produced by Streptomyces rimosus Streptomyces aureofaciens Streptomyces erythreus Streptomyces venezuelae TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following micro organism utilizes lactose as a carbon source in production of lactic acid from whey media? Lactobacillus pentosus Lactobacillus delbrueckii Lactobacillus bulgaricus Leuconostoc mesenteroides TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following substance is employed to neutralize the lactic acid as it is produced (because lactic acid bacteria do not tolerate high concentrations of acid? Na2SO4 CaCO3 MgSO4 (NH4)2 HPO4 TRUE ANSWER : ? YOUR ANSWER : ?
The recovery of vitamin from fermentation broth is carried out prior to autolysis alcohol treatment none of these acidification TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following is a heterofermentative micro-organism? Leuconostoc mesenteroides Lactobacillus pentose Lactobacillus delbrueckii Lactobacillus bulgaricus TRUE ANSWER : ? YOUR ANSWER : ?
The species of Acetobacter which produces cellulosic strands to hold the cells in lime layer is Acetobacter xylinum Acetobacter schuetzenbachii Accetobacter orleanense Acetobacter curvum TRUE ANSWER : ? YOUR ANSWER : ?
It is mandatory that cultures and fermentation residues be sterilized before discard in case of Eremothecium ashbyii and Ashbya gossypii because they are human pathogens plant pathogens none of these plant mutants TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following was the first amino acid to be produced commercially? L-cystine L-methionine L-lysine L-glutamic acid TRUE ANSWER : ? YOUR ANSWER : ?
The first penicillin isolated by Alexander Fleming, penicillin F is also called n-heptyl penicillin 2-Pentenyl Penicillin benzyl penicillin phenoxymethyl penicillin TRUE ANSWER : ? YOUR ANSWER : ?