Q326
Allen
NCERT BASED QUESTIONS
MCQ
The first transgenic cow was 'Rosie', produces :-
A.
Human protein-enriched milk ($\alpha$-lactabumin)
B.
Human protein $\alpha$-1 antitrypsin riched milk
C.
Human protein enriched milk (insulin)
D.
All the above
Q327
Allen
NCERT BASED QUESTIONS
MCQ
Transgenic mice are being developed for use in
A.
Testing the safety of polio vaccines before they are used on human
B.
Molecular diagnosis of diseases
C.
Production of human protein enriched milk
D.
Production of human insulin
Q328
Allen
NCERT BASED QUESTIONS
MCQ
The technique that serves the purpose of early diagnosis of disease or pathogen :-
A.
Recombinant DNA technology
B.
Polymerase chain reaction ("")
C.
Enzyme linked immuno sorbent assay (ELISA)
D.
All the above
Q329
Allen
NCERT BASED QUESTIONS
MCQ
Transgenic tobacco which is developed through RNA interference, prevents the infection of :-
A.
A nematode - Meloidegyne incognitia
B.
A bacterium - Pseudonomonas putida
C.
A fungi - Tricoderma
D.
An insect
Q330
Allen
(ANALYTICAL QUESTIONS)
MCQ
The basic procedure involved in the synthesis of recombinant DNA molecule is depicted below. The mistake in the procedure is :-
A.
Enzyme polymerase is not included
B.
The mammalian DNA is shown double stranded
C.
Only one fragment is inserted
D.
Two different restriction enzymes are used
Q331
Allen
(ANALYTICAL QUESTIONS)
MCQ
Production of a human protein in bacteria by genetic engineering is possible because
A.
Bacterial cell can carry out the RNA splicing reactions
B.
The mechanism of gene regulation is identical in humans and bacteria
C.
The human chromosome can replicate in bacterial cell
D.
The genetic code is universal
Q332
Allen
(ANALYTICAL QUESTIONS)
MCQ
If a recombinant DNA bearing gene for ampicillin resistance if transferred into E. coli cells and the host cells are spread on agar plates containing ampicillin, then :-
A.
both transformed and untransformed recipient cells will die
B.
both transformed and untransformed recipient cell will be grow
C.
transformed recipient cells will grow and untransformed recipient cells will die
D.
transformed recipient cells will die and untransformed recipient cells will grow
Q333
Allen
(ANALYTICAL QUESTIONS)
MCQ
If hemoglobin (Hb) of a normal individual and a sickle-cell patient are run in electrophoretic field, they will show :-
A.
same mobilities
B.
different mobilities
C.
Hb of patient will not move at all
D.
Hbs are immobile
Q334
Allen
(ANALYTICAL QUESTIONS)
MCQ
Introduction of food plants developed by genetic engineering is not desirable becauseā
A.
Economy of developing countries may suffer.
B.
These products are less tasty as compared to the already existing products.
C.
This method is costly.
D.
There is danger of coming viruses and toxins with introduced crop.
Q335
Allen
(ANALYTICAL QUESTIONS)
MCQ
Which one of the following is a correct statement ?
A.
"Bt" in "Bt-cotton" indicates that it is a genetically modified organism produced through biotechnology
B.
Somatic hybridization involves fusion of two complete plant cells carrying desired genes.
C.
The anticoagulant hirudin is being produced from transgenic Brassica napus seeds.
D.
"Flavr Savr" variety of tomato has enhanced the production of ethylene which improves its taste.
Q336
Allen
(ANALYTICAL QUESTIONS)
MCQ
Which of the following tools of recombinant DNA technology is incorrectly paired with its use ?
A.
restriction enzyme - Production of RFLPs
B.
DNA ligase-that cuts DNA, creating the sticky ends
C.
DNA polymerase - used in a polymerase chain reaction to amplify section of DNA
D.
reverse transcriptase - production of cDNA from mRNA
Q337
Allen
(ANALYTICAL QUESTIONS)
MCQ
Select the incorrect statement for continuous culture system:ā
A.
In this used medium is drained out from one side while fresh medium is added from other side.
B.
In this cells are maintained in their physiologically most active lag phase of growth.
C.
It produces larger biomass.
D.
It shows higher yields of desired product.
Q338
Allen
(ANALYTICAL QUESTIONS)
MCQ
In r-DNA technology or genetic engineering elution means :-
A.
Remove the DNA from centrifuge tube after centrifugation
B.
The separated band of DNA are cut out from the gel and extracted from the gel piece
C.
Separation of the recombinant protein from recombinant cell
D.
Insertion of recombinant DNA into the host cell
Q339
Allen
(ANALYTICAL QUESTIONS)
MCQ
An example of gene therapy is:-
A.
Production of injectable Hepatitis-B vaccine
B.
Production of vaccines in food crops like potatoes which can be eaten
C.
Introduction of gene for adenosine deaminase in persons suffering from severe combined immuno-deficiency (SCID)
D.
Production of test tube babies by artificial insemination and implantation of fertilized eggs