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Online Biotechnology Test - Biotechnology Test 4

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.
The composition of the inner mitochondrial membrane is most like that of
the outer mitochondrial membrane
the cell's plasma membrane
some bacterial plasma membranes
the nuclear membrane
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Learn more problems on : Plant Structure
2.
Chlorophyll is associated with
thylakoids
stroma
cristae
matrix
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Learn more problems on : Nitrogen Fixation and Photosynthesis
3.
The cohesion-tension theory of water movement helps to explain how water moves from soil into root?
Through the phloem
From leaf to root
Through the xylem
Into the guard cells
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Learn more problems on : Transport of Molecules in Plant
4.
When plated only in nutrient medium, how much time is required for the protoplast to synthesize new cell wall?
2-5 days
5-10 days
10-15 days
15-17 days
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Learn more problems on : Plant Cell Culture
5.
Which is/are the disadvantage/(s) of using IAA in plant cell culture media?
It is unstable in solution
Gets easily oxidized
Conjugated to inactive form by plant cells
All of the above
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Learn more problems on : Media Required for Plant Cell Culture
6.
Which of the following gene is transferred to plants that detoxify the herbicide atrazine?
Nitrilase
Glutathione S-transferase (GST)
Phosphinothrium acetyl transferase
All of these
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Learn more problems on : Transgenic Plant
7.
Avermectins (AVM) are macrocyclic lactones which have potent antihelminthic and insecticidal action. They are generally derived from the mycelia of
Streptomyces avermitilis
B. thrunigiensis
P. flourescens
L. peruvianum
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Learn more problems on : Special Proteins and Crop Improvement
8.
MS medium, is found essential for initial morphogenesis of the immature embryos and to enhance callus development, when supplemented with
GA3
GA3 and coconut milk
adenine
adenine and kinetin
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Learn more problems on : Special Proteins and Crop Improvement
9.
A micro array is an ordered array of microscopic elements on a planer substrate that allows the specific binding of
gene or gene products
whole genome
both (a) and (b)
none of these
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Learn more problems on : Biosensors and Biochips
10.
Which of the following denotes a pair of contrasting characters?
Alleles
Phenotype
Homozygous
Genotype
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Learn more problems on : Animal Biotechnology Chromosomes
11.
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
12.
A cross shaped (+) or a ring involving four chromosomes may be formed during metaphase I in case of
translocation heterozygote
deficiency
haploid organism
duplication
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Learn more problems on : Animal Biotechnology Chromosomes
13.
Which of the following are produced in high copy number?
YEp
YRp
Both (a) and (b)
YCp
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Learn more problems on : Vectors Uses for Animal Cell Culture
14.
Which of the following is the process of choosing parent organisms for the characteristics that is wanted in their offspring?
Active selection
Reproductive selection
Selective breeding
Breeding selection
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Learn more problems on : Animal Breeding and Transgenic Animal
15.
DNA microinjection into the egg has been used to produce which of the following transgenic animals?
Mice
Chicken
Pigs
All of these
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Learn more problems on : Animal Breeding and Transgenic Animal
16.
The approach (s), which is/are currently followed to produce human monoclonal antibodies, is/are known as
transformation of antigen specific B lymphocytes (EBV)
hybridization of 6-thioguanine-resistant human plasmacytoma with immune human lymphocytes
combination of EB Vand hybridoma techniques
all of these
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Learn more problems on : Monoclonal Antibodies
17.
Preliminary clinical results with a humanized antibody against the interleukin-2 receptor have suggested the
absence of human immune response against murine proteins (HAMA) response
presence of HAMA response
poor recognition of immunoglobulin, Ig constant regions
all of the above
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Learn more problems on : Monoclonal Antibodies
18.
The germination of barley kernels under controlled temperature and humidity to generate enzymes for the degradation of starch and protein is known as
brewing
malting
mashing
pitching
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Learn more problems on : Beer and Wine
19.
The yeast generated during the fermentation of beer is generally separated by
centrifugation
filtration
cell disruption
all of these
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Learn more problems on : Beer and Wine
20.
Which is not the purpose of punching down?
To oxidize the wine
To extract tannin
To reduce possible microbial spoilage
To keep the cap moist
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Learn more problems on : Beer and Wine
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