IndiaBIX

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.
  • DO NOT refresh the page.
  • 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.
Which of the following is not true about phagemid?
Contain functional origin of replication of the plasmid and λ phage
May be propagated as a plasmid or as phage in appropriate strain
Contain λ att site
Can only be propagated as phage
Your Answer: Option
(Not Answered)
Correct Answer: Option
Discuss about this problem : Discuss in Forum
Learn more problems on : Cloning Vectors
2.
Which one of the following capsid protein of picorna virus is immunogenic in nature?
VP1
VP2
VP3
VP4
Your Answer: Option
(Not Answered)
Correct Answer: Option
Discuss about this problem : Discuss in Forum
Learn more problems on : Synthesis of Therapeutic Agents
3.
The colour of flower is due to the presence of
chlorophyll
xanthophylls
florigen
chromoplast or anthocyanin
Your Answer: Option
(Not Answered)
Correct Answer: Option
Discuss about this problem : Discuss in Forum
Learn more problems on : General Plant Biotechnology
4.
A very common mutualistic, symbiotic relationship between a fungus and the roots of a plant is
lichen
mycorrhizal
ascomycete
basidiomycete
Your Answer: Option
(Not Answered)
Correct Answer: Option
Discuss about this problem : Discuss in Forum
Learn more problems on : General Plant Biotechnology
5.
Both plant and animal cell possess
cell walls
mitochondria
central vacuoles
chloroplast
Your Answer: Option
(Not Answered)
Correct Answer: Option
Discuss about this problem : Discuss in Forum
Learn more problems on : Plant Structure
6.
Which of the following is used in the culture of regenerating protoplasts, single cells or very dilute cell suspensions?
Nurse medium
Nurse or feeder culture
Both (a) and (b)
None of these
Your Answer: Option
(Not Answered)
Correct Answer: Option
Discuss about this problem : Discuss in Forum
Learn more problems on : Plant Cell Culture
7.
Which of the following is an ethylene biosynthesis inhibitor?
Citric acid
Succinic acid
Activated charcoal
Silver thiosulphate
Your Answer: Option
(Not Answered)
Correct Answer: Option
Discuss about this problem : Discuss in Forum
Learn more problems on : Media Required for Plant Cell Culture
8.
Very high sugar concentration (40-100 g/l) have been used
in specialized secondary metabolite production
to adjust the osmotic potential of the media in short term treatment for regeneration
Both (a) and (b)
none of these
Your Answer: Option
(Not Answered)
Correct Answer: Option
Discuss about this problem : Discuss in Forum
Learn more problems on : Media Required for Plant Cell Culture
9.
Virulent strains of Agrobacterium contain large Ti-plasmids, which are responsible for the DNA transfer and subsequent disease symptoms. It has been shown that Ti-plasmids contain
one set of sequence necessary for gene transfer
two sets of sequence necessary for gene transfer
three sets of sequence necessary for gene transfer
four sets of sequence necessary for gene transfer
Your Answer: Option
(Not Answered)
Correct Answer: Option
Discuss about this problem : Discuss in Forum
Learn more problems on : Gene Transfer in Plants
10.
Transgenic plants with increased tolerance to aluminum have been produced by making plants that
secrete phytosiderophores into the soil
make more metal-binding peptides like phytochelatins
bind aluminum to the cell wall
secrete citrate into the soil
Your Answer: Option
(Not Answered)
Correct Answer: Option
Discuss about this problem : Discuss in Forum
Learn more problems on : Transgenic Plant
11.
Expression of antisense RNA in transgenic plants is a general method used to
activate the expression of all genes in a biochemical pathway
eliminate the expression of all genes in a biochemical pathway
block the expression of virus coat protein genes
reduce or eliminate the expression of individual genes
Your Answer: Option
(Not Answered)
Correct Answer: Option
Discuss about this problem : Discuss in Forum
Learn more problems on : Transgenic Plant
12.
The intervention in the communication system of nematodes offer several possibilities of bio control. Which of the following(s) play(s) a very important role in the host recognition?
Protein
Lipid
Carbohydrate moiety
Minerals
Your Answer: Option
(Not Answered)
Correct Answer: Option
Discuss about this problem : Discuss in Forum
Learn more problems on : Special Proteins and Crop Improvement
13.
Klinefelter syndrome is a manifestation of which chromosome aneuploidy?
XXX
XYY
XXY
None of these
Your Answer: Option
(Not Answered)
Correct Answer: Option
Discuss about this problem : Discuss in Forum
Learn more problems on : Disorders
14.
How many chromatids are there in a duplicated chromosome?
One
Two
Three
Four
Your Answer: Option
(Not Answered)
Correct Answer: Option
Discuss about this problem : Discuss in Forum
Learn more problems on : Cell Cycle
15.
In case of Baculoviruses, the foreign gene
is inserted downstream of polyhedrin promoter
is inserted downstream of viral origin of replication
is inserted between the polyhedrin promoter and downstream sequences
is inserted randomly in viral genome
Your Answer: Option
(Not Answered)
Correct Answer: Option
Discuss about this problem : Discuss in Forum
Learn more problems on : Vectors Uses for Animal Cell Culture
16.
Which of the following microorganisms help in the ethanol production?
Saccharomyces cerevisiae
Zygomonas mobilis
Saccharomyces uvarum
All of these
Your Answer: Option
(Not Answered)
Correct Answer: Option
Discuss about this problem : Discuss in Forum
Learn more problems on : Ethanol Production
17.
If the malolactic fermentation is not carried out,
the wine will have an odd odor
malic acid may precipitate, leaving small crystals
the wine may be microbially unstable
the wine will be too low in acid
Your Answer: Option
(Not Answered)
Correct Answer: Option
Discuss about this problem : Discuss in Forum
Learn more problems on : Beer and Wine
18.
Fining a wine is defined as
adding one substance to remove another
removing small particles
adding acid
removing tannin
Your Answer: Option
(Not Answered)
Correct Answer: Option
Discuss about this problem : Discuss in Forum
Learn more problems on : Beer and Wine
19.
Bock beer is prepared from
roasted germinated barley seeds
rice
wheat
grapes
Your Answer: Option
(Not Answered)
Correct Answer: Option
Discuss about this problem : Discuss in Forum
Learn more problems on : Beer and Wine
20.
Inoculum preparation for the fermentation medium for penicillin takes place on
wheat seeds
barley seeds
rice seeds
all of these
Your Answer: Option
(Not Answered)
Correct Answer: Option
Discuss about this problem : Discuss in Forum
Learn more problems on : Antibiotics
*** END OF THE TEST ***
Time Left: 00:29:56
Post your test result / feedback here:

Quick links
Quantitative Aptitude
Verbal (English)
Reasoning
Programming
Interview
Placement Papers