Home⇒ Medical Science⇒ Biotechnology⇒ Ethanol production
| 1-Dont try to cram or spend more time here just read it fast and cover syllabus then practice MCQ's cheptor of same topic to check your progress. . |
| 2-Wrong options are also given but dont concentrate there, Right answer is in bold format. |
| Q1 ⇒ Which of the following is used for aeration in a fermentor? Sparger [other wrong options] [Discuss in forum] |
| Q2 ⇒ The Zygomonas has a merit over yeast because all of the above [other wrong options] [Discuss in forum] |
| Q3 ⇒ Ethanol is produced by both (a) and (b) [other wrong options] [Discuss in forum] |
| Q4 ⇒ Which of the following organism is not used in any of the traditional industrial fermentation? E. coli [other wrong options] [Discuss in forum] |
| Q5 ⇒ Candida utilis is used for the fermentation of waste sulphate liquor since it ferments both hexoses and pentoses [other wrong options] [Discuss in forum] |
| Q6 ⇒ Which of the following is used for agitation in a fermentor? Impeller [other wrong options] [Discuss in forum] |
| Q7 ⇒ What are different substrates used for ethanol production? All of the above [other wrong options] [Discuss in forum] |
| Q8 ⇒ After the fermentation is over, ethanol is recovered by distillation [other wrong options] [Discuss in forum] |
| Q9 ⇒ If starch containing substrates are used for ethanol production, yeast strain can't be used directly because it doesn't contain amylases to hydrolyze starch [other wrong options] [Discuss in forum] |
| Q10 ⇒ S cerevisiae start producing ethanol with in 12 h [other wrong options] [Discuss in forum] |
| Q11 ⇒ High ethanol concentration inhibits yeast growth [other wrong options] [Discuss in forum] |
| Q12 ⇒ The fermentor can be sterilized by steam under pressure [other wrong options] [Discuss in forum] |
| Q13 ⇒ What are the fermentation conditions for the ethanol production? pH 5; temperature 35°C [other wrong options] [Discuss in forum] |
| Q14 ⇒ Which of the following is used to check vortex and to improve aeration efficiency in a fermentor? Baffles [other wrong options] [Discuss in forum] |
| Q15 ⇒ Which of the following microorganisms help in the ethanol production? All of these [other wrong options] [Discuss in forum] |
| Q16 ⇒ Yeast is used in the production of ethyl alcohol [other wrong options] [Discuss in forum] |
| Q17 ⇒ To maintain aseptic conditions during fermentation which of the following is needed? All of these [other wrong options] [Discuss in forum] |
| Q18 ⇒ As the fermentation for the ethanol production is over, the cells are separated to get the biomass of yeast cells that is used as single cell protein for animal feed [other wrong options] [Discuss in forum] |
| Q19 ⇒ How is air supply to the fermentor sterilized? All of the above [other wrong options] [Discuss in forum] |