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Online Biotechnology Test - Biotechnology Test - Random

Instruction:
  • This is a FREE online test. Beware of scammers who ask for money to attend this test.
  • Total number of questions: 20.
  • Time allotted: 30 minutes.
  • Each question carries 1 mark; there are no negative marks.
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  • All the best!

Marks : 2/20

Total number of questions
20
Number of answered questions
0
Number of unanswered questions
20
Test Review : View answers and explanation for this test.
1.
If the ester bonds of a triacylglycerol molecule's are broken then the kind of molecule, which would be soluble in water, is
fatty acid
steroid
glycogen
glycerol
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Learn more problems on : Plant Structure
2.
Which of the following aid plants in the acquisition of nitrogen from nitrogen gas of the atmosphere?
Bacteria
Algae
Nematodes
Moulds
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Learn more problems on : Nitrogen Fixation and Photosynthesis
3.
Silver thiosulphate is added to culture medium as it helps to
maintain the pH
remove toxic phenolics from plant cells
prevent the gaseous plant hormone, ethylene dioxide from accumulating to detrimental condition.
all of the above
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Learn more problems on : Media Required for Plant Cell Culture
4.
Intermediate vectors containing T-DNA are conjugation deficient. Thus conjugation is mediated in presence of which of the following plasmid?
pRK 2013
pRN 3
either (a) or (b)
none of these
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Learn more problems on : Gene Transfer in Plants
5.
Resistance to glyphosphate in transgenic petunia plants has been developed by the transfer of
gene for EPSPS(5-enol-pyruvyl shikimat 3 phosphate synthase)
gene for ALS (acetolactate synthase)
gene for GS (glutamine synthase)
any of the above
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Learn more problems on : Transgenic Plant
6.
Transplastomics
targets genes in the chloroplast
provides exceptionally low yields of protein products
produces genes that are released in pollen
offers little opportunity for practical use
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Learn more problems on : Transgenic Plant
7.
The heavily polluted zone of water reservoir is known as
pleosaprophytic zone
mesosaprophytic zone
oligosaprophytic zone
none of these
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Learn more problems on : Environmental Protection
8.
How many chromosomes are there in Caernorhabditis elegans?
3
6
9
12
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Learn more problems on : Animal Biotechnology Chromosomes
9.
A diagram depicting chromosomes of haploid set of an organism ordered in a series of decreasing size is known as
zymogram
chromogram
idiogram
karyogram
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Learn more problems on : Animal Biotechnology Chromosomes
10.
A map of chromosomes that utilizes cloned and sequenced DNA fragments rather than genetic markers is known as
a physical map
a genetic map
a cloning map
none of these
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Learn more problems on : Animal Biotechnology Chromosomes
11.
DNA replication is controlled at which of the following checkpoint?
G1
G2
M
S
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Learn more problems on : Cell Cycle
12.
An established cell line can be called where it has been subcultured at least
70 times at an interval of 3 days between subcultures
40 times at an interval of 3 days between subcultures
70 times at an interval of 1 day between subcultures
50 times at an interval of 3 days between subcultures
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Learn more problems on : Animal Cell Culture and Regulation
13.
Retroviruses have advantage for being used as vector for animal cells because
they cover a wide host range
infection does not lead to cell death, infected cells produce virus over an indefinite period
viral gene expression is driven by strong promoters
all of the above
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Learn more problems on : Vectors Uses for Animal Cell Culture
14.
Recombinant adeno virus can be created by deleting E1A/E 1B genes that are
transcriptional regulators and are essential for viral replication
not necessary for viral replication
coding for virus coat protein
important for packaging of viral DNA into viral head
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Learn more problems on : Vectors Uses for Animal Cell Culture
15.
The number of follicles at any particular stage is governed by
the rate of entry of dormant follicles
the rate of growth of follicles
the rate of loss of follicles
all of the above
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Learn more problems on : Animal Breeding and Transgenic Animal
16.
Which protein has been produced generating a transgenic sheep that is used for replacement therapy for individuals at risk from emphysema?
Plasminogen activator (tPA)
α-anti trypsin (AAT)
Casein
Amyloid precursor proteins
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Learn more problems on : Animal Breeding and Transgenic Animal
17.
Helper T cells assist in the functions of
certain B cells
certain T cells
certain B cells and other T cells
none of the above
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Learn more problems on : Monoclonal Antibodies
18.
The Ig locus is about
2/3rd of all hybridomas
l/3rd of all hybridomas
l/2nd of all hybridomas
1/4th of all hybridomas
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Learn more problems on : Monoclonal Antibodies
19.
Wort is
an aqueous extract of malt
malted barley
coagulated protein obtained during boiling
none of the above
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Learn more problems on : Beer and Wine
20.
How long does it take to complete fermentation process in case of white wine?
1-3 days
3-5 days
5-7 days
7-11 days
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Learn more problems on : Beer and Wine
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