Q. No.Antisense technology:
1.
selectively blocks the expression of a gene.
2.
combines genetic material from different species.
3.
combines organelles and cells.
4.
alters or transfers cells.
A direct target for gene therapy would include all the following cells except:
| 1. | erythrocytes | 2. | muscle fibers |
| 3. | hepatocytes | 4. | vascular endothelium |
Which of the following is a recombinant protein?
| 1. | Beta Galactosidase in E.coli | 2. | Insulin in humans |
| 3. | Somatotropin in humans | 4. | Interferon in E. coli |
The study of all the proteins encoded by the genome of an organism is called :
| 1. | Proteome | 2. | Proteomics |
| 3. | Translation studies | 4. | Genomics |
You want to transform the cells of sugarcane plants with the objective of introducing a disease-resistant gene in sugarcane plants. The best method to achieve this goal would be:
| 1. | The use of a gene gun |
| 2. | Microinjection |
| 3. | Agrobacterium tumefaciens mediation |
| 4. | Delivery of DNA by liposomes |
Match each item in Column I with one in Column II and select the answer from the codes given below:
|
COLUMN I |
COLUMN II |
||
|
A |
First genetically modified crop |
a |
Antibiotic-resistant tobacco plant |
|
B |
First genetically modified food |
b |
Flavr Savr |
|
C |
First genetically modified animal approved for food use |
c |
AquAdvantage Salmon |
|
D |
First genetically modified animal to be commercialized |
d |
GloFish |
Codes :
| A | B | C | D | |
| 1. | a | b | c | d |
| 2. | a | b | d | c |
| 3. | b | a | c | d |
| 4. | b | a | d | c |
What is antisense technology?
1. RNA polymerase producing DNA.
2. A cell displaying a foreign antigen used for synthesis of antigens.
3. Production of somaclonal variants in tissue cultures.
4. When a piece of RNA that is complementary in sequence is used to stop expression of a specific gene.
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The bacterium Bacillus thuringiensis is widely used in contemporary biology as
1. Source of industrial enzyme
2. Indicator of water pollution.
3. Insecticide.
4. Agent for production of dairy products.
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DNA or RNA segments tagged with a radioactive molecule is called
1. Vector.
2. Probe.
3. Clone.
4. Plasmid.
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Which one of the following is now being commercially produced by biotechnological procedures?
1. Morphine
2. Quinine
3. Insulin
4. Nicotine
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