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Biotechnology - 65
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 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... Which of these established cell lines originate from a mouse embryo? A. 3T3 B. BHK C. HeLa D. BTK ... Karyoplast is A. cells devoid of cell wall B. nuclei C. nuclei with only some residual plasma membrane D. cell with nucleus...
Thời gian bắt đầu: Hôm nay lúc 21:10:33(Server time)
Số câu hỏi: 10.   Tổng điểm: 10
Thời gian làm bài: 20 phút.  Thời gian còn lại: 
Cỡ chữ câu hỏi:  Cỡ chữ đáp án:
1-
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
2-
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
3-
Which of these established cell lines originate from a mouse embryo?
A-
3T3
B-
BHK
C-
HeLa
D-
BTK
4-
If starch containing substrates are used for ethanol production, yeast strain can't be used directly because
A-
starch is not a suitable substrate for the production of ethanol
B-
it is converted to pentose sugar
C-
it doesn't contain amylases to hydrolyze starch
D-
None of the above
5-
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
6-
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
7-
Which of the following is used for aeration in a fermentor?
A-
Impeller
B-
Baffles
C-
Sparger
D-
All of these
8-
Ethanol is produced by
A-
continuous fermentation
B-
batch fermentation
C-
Both (a) and (b)
D-
None of these
9-
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
10-
The fermentor can be sterilized by
A-
keeping it in the oven
B-
steam under pressure
C-
boiling
D-
All of these
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