- 1(current)
Q. No.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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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 |
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 |
Genetically engineered pest resistance has advantages over other forms of pest control. Identify the one which is not:
1. pesticides are expensive and time-consuming to apply
2. pesticides are rarely selective
3. pesticides accumulate in the environment
4. pesticides are ineffective now
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Widely used tool in the genetic engineering of crop plants involves:
| 1. | protoplast fusion | 2. | Agrobacterium mediation |
| 3. | transposon mediation | 4. | microinjection |
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
Bacteria that are unable to synthesize chemicals that allow the formation of ice crystals have been engineered. Commercial fruit farmers can spray this bacterial strain on their fruit plants, with the idea that they will compete with unmodified bacteria and reduce frost damage. This is an example of:
| 1. | Bioremediation | 2. | Biological control |
| 3. | Biodegradation | 4. | Bioeradication |
- 1(current)
Q. No.
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