Q. No.Choose the correct option regarding Retrovirus:
| 1. | An RNA virus that synthesises DNA during infection |
| 2. | A DNA virus that synthesises RNA during infection |
| 3. | A ssDNA virus |
| 4. | A dsRNA virus |
A direct target for gene therapy would include all the following cells except:
| 1. | erythrocytes | 2. | muscle fibers |
| 3. | hepatocytes | 4. | vascular endothelium |
“Flavr Savr” is the name of the first genetically modified:
| 1. | food approved for human use |
| 2. | salmon fish |
| 3. | herbicide-resistant plant |
| 4. | bacterium capable of remediation in oil spills |
Match each item in Column I with one item in Column II and chose your answer from the codes given below.
|
Column I |
Column II |
|
I. RNAi II. Ribozyme III. PCR IV. Monoclonal antibodies |
1. Fire and Mello 2. Thomas Cech 3. Kyle Mullis 4. Millstein and Kohler |
Codes:
| I | II | III | IV | |
| 1. | 1 | 2 | 3 | 4 |
| 2. | 2 | 1 | 4 | 3 |
| 3. | 2 | 1 | 3 | 4 |
| 4. | 1 | 2 | 4 | 3 |
One possible use of transgenic plants is in the production of human proteins, such as vaccines. Which of the following is a possible hindrance that must be overcome?
| 1. | prevention of transmission of plant allergens to the vaccine recipients |
| 2. | prevention of vaccine-containing plants being consumed by insects |
| 3. | use of plant cells to translate non-plant derived mRNA |
| 4. | inability of the human digestive system to accept plant-derived protein |
At present, genetic modification has been able to bring about all the following in crops except:
1. Tolerance to abiotic stresses
2. Enhanced nutritional value
3. Capability to fix atmospheric nitrogen
4. Reduced reliance on chemical pesticides
Recombinant therapeutic [used for treatment] products are available for all the following disorders except:
| 1. | Hemophilia A | 2. | Pituitary dwarfism |
| 3. | Diabetes insipidus | 4. | Anemia due to renal failure |
Genetic engineering of nitrogen fixation is made difficult by the fact that it :
| 1. | is a complex process involving many enzymes |
| 2. | is a process that is partly anaerobic |
| 3. | involves about 15 genes (the Nif Genes) |
| 4. | All of these |
The use of transgenic animals, to produce relatively large quantities of rare proteins for use in medicine, is sometimes called:
| 1. | therapeutics | 2. | pharming |
| 3. | molecular treatment | 4. | biochemistry |
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 |
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