Multiple Choice Questions on Biotechnology Engineering | Objective Questions | Biotechnology Engineering Quiz | MCQ
1 >>The number of follicles at any particular stage is governed by ?
- (A) the rate of entry of dormant follicles
- (B) the rate of growth of follicles
- (C) the rate of loss of follicles
- (D) all of the above
2 >>The nucleous of mature unfertilized ovum may be removed by ?
- (A) irradiation
- (B) surgery
- (C) both (a) and (b)
- (D) neutralization and homogenization
3 >>Karyoplast is ?
- (A) cells devoid of cell wall
- (B) nuclei
- (C) nuclei with only some residual plasma membrane
- (D) cell with nucleus
4 >>The success of embryo transplantation depends upon the ability to obtain an increased number of embryos from animals of superior genetic merit, which can be achieved by the use of ?
- (A) exogenous gonadatrophic hormones
- (B) endogenous gonadatrophic hormones
- (C) both (a) and (b)
- (D) FSH (Follicle Stimulating Hormone)
5 >>Multiple ovulation and embryo transfer (MOET) ?
- (A) can increase the rate of progress in dairy cattle
- (B) allows progeny testing of males
- (C) allows progeny testing of females
- (D) all of the above
6 >>The technique, mainly used for the diagnosing birth defects in the fetus by means of needle, is called ?
- (A) amniocentesis
- (B) ectogensis
- (C) transplantation
- (D) all of the above
Biotechnology Engineering Quiz | Biotechnology Engineering MCQ
7 >>Which of these established cell lines originate from a mouse embryo? ?
- (A) 3T3
- (B) BHK
- (C) HeLa
- (D) BTK
8 >>If starch containing substrates are used for ethanol production, yeast strain can’t be used directly because ?
- (A) it doesn’t contain amylases to hydrolyze starch
- (B) starch is not a suitable substrate for the production of ethanol
- (C) it is converted to pentose sugar
- (D) none of the above
9 >>Which of the following is used to check vortex and to improve aeration efficiency in a fermentor? ?
- (A) Impeller
- (B) Baffles
- (C) Sparger
- (D) All of these
10 >>What are different substrates used for ethanol production? ?
- (A) Starch containing substrate
- (B) Juices from sugarcane or molasses or sugar beet
- (C) Waste product from wood or processed wood
- (D) All of the above
11 >>Which of the following is used for aeration in a fermentor? ?
- (A) Impeller
- (B) Baffles
- (C) Sparger
- (D) All of these
12 >>Ethanol is produced by ?
- (A) continuous fermentation
- (B) batch fermentation
- (C) both (a) and (b)
- (D) none of these
13 >>As the fermentation for the ethanol production is over, the cells are separated to get the biomass of yeast cells that is used ?
- (A) for next fermentation
- (B) as single cell protein for animal feed
- (C) as manure
- (D) all of the above
14 >>The fermentor can be sterilized by ?
- (A) keeping it in the oven
- (B) steam under pressure
- (C) boiling
- (D) all of these
15 >>Candida utilis is used for the fermentation of waste sulphate liquor since it ferments ?
- (A) hexoses only
- (B) pentoses only
- (C) both hexoses and pentoses
- (D) none of these
Biotechnology Engineering Quiz | Biotechnology Engineering MCQ
16 >>Yeast is used in the production of ?
- (A) ethyl alcohol
- (B) acetic acid
- (C) cheese
- (D) curd
17 >>S cerevisiae start producing ethanol with in ?
- (A) 10 h
- (B) 12 h
- (C) 15 h
- (D) 24 h
18 >>Which of the following microorganisms help in the ethanol production? ?
- (A) Saccharomyces cerevisiae
- (B) Zygomonas mobilis
- (C) Saccharomyces uvarum
- (D) All of these
Biotechnology Engineering Quiz | Biotechnology Engineering MCQ
19 >>After the fermentation is over, ethanol is recovered by ?
- (A) centrifugation
- (B) distillation
- (C) filtration
- (D) cell disintegration
20 >>The Zygomonas has a merit over yeast because ?
- (A) it has more osmotic tolerance to higher sugar concentration
- (B) it has high tolerance to ethanol
- (C) it has more specific growth rate
- (D) all of the above
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