ETHANOL PRODUCTION QUIZ

None of these

it doesn't contain amylases to hydrolyze starch

starch is not a suitable substrate for the production of ethanol

it is converted to pentose sugar

Bacillus

E. coli

Yeast

Pseudomonas

Saccharomyces cerevisiae

Saccharomyces uvarum

Zygomonas mobilis

All of these

24 h

12 h

15 h

10 h

it has more specific growth rate

it has high tolerance to ethanol

it has more osmotic tolerance to higher sugar concentration

All of these

Baffles

Sparger

All of these

Impeller

Juices from sugarcane or molasses or sugar beet

Starch containing substrate

All of these

Waste product from wood or processed wood

promotes bacterial growth

inhibits bacterial growth

inhibits yeast growth

promotes yeast growth

batch fermentation

both (a) and (b)

continuous fermentation

none of these

pH 5; temperature 30°C

pH 5; temperature 35°C

pH 6; temperature 35°C

pH 6; temperature 30°C