The first penicillin isolated by Alexander Fleming, penicillin F is also called n-heptyl penicillin benzyl penicillin 2-Pentenyl Penicillin phenoxymethyl penicillin TRUE ANSWER : ? YOUR ANSWER : ?
Protease, which is used for flavouring of sake and haze removal in sake is produced by A. oryzae A. niger A. flavus B. cereus 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 delbrueckii Leuconostoc mesenteroides Lactobacillus bulgaricus Lactobacillus pentosus TRUE ANSWER : ? YOUR ANSWER : ?
The major organism used in the microbial production of citric acid is Aspergillus niger Penicillin notatum Rhizopus nigrificins Lactobacillis delbrueckii 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 none of these plant mutants human pathogens plant pathogens 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 95% ethanol is equivalent to 120 proof 170 proof 190 proof 110 proof TRUE ANSWER : ? YOUR ANSWER : ?
The enzyme which converts optically active isomers of lactic acid to the optically inactive racemic mixture is racemase dehydrogenase isomerase invertase TRUE ANSWER : ? YOUR ANSWER : ?
The sugar concentration of molasses used in fermentation should be 20-30% 10-18% 30-38% 4-5% 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 : ?