Over 95 % of all transgenic animals are:
1. | Mice | 2. | Pigs |
3. | Sheep | 4. | Rabbits |
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The transgenic cow, Rosie, produced milk that:
1. | Contained human beta lactalbumin |
2. | contained interferons to treat viral infections |
3. | contained Alpha – 1 antitrypsin |
4. | Is protein enriched |
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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. |
Bioprospecting |
a. |
the process of discovery and commercialization of new products based on biological resources |
B. |
Biopiracy |
b. |
the exploitative patenting of already widely used natural resources, such as plant varieties, by commercial entities |
C. |
Bioremediation |
c. |
a process that uses microorganisms or their enzymes to treat polluted sites for regaining their original condition |
D. |
Biofortification |
d. |
the process by which the nutritional quality of food crops is improved through agronomic practices, conventional plant breeding, or modern biotechnology |
Codes
Options: | 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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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. |
The first clinical gene therapy trial was given in 1990 to a 4 year girl with:
1. | Alpha – 1 antitrypsin deficiency |
2. | Cystic fibrosis |
3. | Adenosine deaminase deficiency |
4. | Chronic myeloid leukemia |
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RNAi, as a mechanism of cellular defense, takes place in:
1. | All bacteria | 2. | All unicellular organisms |
3. | All plants only | 4. | All eukaryotic organisms |
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The plantlets produced during plant tissue culture are called somaclones because:
1. | They can be produced in a very short span of time |
2. | They are the result of the somatic hybridization of two cells |
3. | The gametes develop parthenogenetically to produce genetically identical plantlets |
4. | They are genetically identical to the original plant from which they were grown |
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The term ‘totipotency’ refers to the capacity of a:
1. cell to generate the whole plant
2. bud to generate the whole plant
3. seed to germinate
4. cell to enlarge in size
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Silencing of a gene could be achieved through the use of:
1. | RNAi only | 2. | antisense RNA only |
3. | both RNAi and antisense RNA | 4. | none of the above |
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ADA is an enzyme which is deficient in a genetic disorder SCID. What is the full form of ADA?
1. | Adenosine deoxyaminase | 2. | Adenosine deaminase |
3. | Aspartate deaminase | 4. | Arginine deaminase |
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