Q. No.“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
1. food approved for human use
2. salmon fish
3. herbicide-resistant plant
4. bacterium capable of remediation in oil spills
A fragment of nucleic acid (DNA or RNA) that can be used to identify, usually through autoradiography, specific DNA or RNA molecules bearing the complementary sequence is called:
| 1. | Vector | 2. | Probe |
| 3. | Selectable marker | 4. | Reporter gene |
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A biological process in which RNA molecules inhibit gene expression or translation, by neutralizing targeted mRNA molecules is known as:
| 1. | Bioprospecting | 2. | Molecular pharming |
| 3. | RNA interference | 4. | Insertional mutagenesis |
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Plants genetically engineered to make them resistant to glyphosate was an important achievement because:
| 1. | glyphosate promotes frost damage |
| 2. | glyphosate encourages the production of fruit that is lower in protein |
| 3. | glyphosate is the active ingredient in herbicides |
| 4. | glyphosate prevents the transfer of genes into the plants |
Production of transgenic plants is easier than the production of transgenic animals mainly because:
| 1. | Plant cells can grow in cell culture. |
| 2. | Plant cells have a lower number of potentially lethal genes. |
| 3. | Plant cells are totipotent. |
| 4. | Plants do have cancers. |
Consider the two statements:
| I: | Retroviruses are useful as vectors in gene therapy. |
| II: | They can produce useful gene products in significantly greater quantities than a single human cell can. |
1. Both I and II are correct and II explains I.
2. Both I and II are correct but II does not explain I.
3. Only I is correct.
4. Both I and II are incorrect.
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
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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 |
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 |
The study of all the proteins encoded by the genome of an organism is called :
| 1. | Proteome | 2. | Proteomics |
| 3. | Translation studies | 4. | Genomics |
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