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1 | |
Cucumbers, squashes, and beans are |
| | A) | monocots. |
| | B) | dicots. |
| | C) | multicots. |
| | D) | ferns. |
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2 | |
Rice, corn, and wheat are |
| | A) | monocots. |
| | B) | dicots. |
| | C) | multicots. |
| | D) | ferns. |
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3 | |
Which technique is used to introduce genes into dicots? |
| | A) | electroporation |
| | B) | particle acceleration |
| | C) | microinjection |
| | D) | Ti plasmid infection |
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4 | |
Plants containing genes encoding cytokines and blood clotting factors are used in |
| | A) | nutrition improvement. |
| | B) | pharmaceutical production. |
| | C) | vaccine production. |
| | D) | textile production. |
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5 | |
Which cell-based plant technology involves the combining of two cells without cell walls from different species? |
| | A) | clonal propagation |
| | B) | cybridization |
| | C) | protoplast fusion |
| | D) | mutant selection |
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6 | |
If the goal were to create a plant resistant to an insecticide, which cell-based plant technology would be most effective? |
| | A) | clonal propagation |
| | B) | cybridization |
| | C) | protoplast fusion |
| | D) | mutant selection |
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7 | |
The delayed ripening tomato was created by a biotechnology that ____ a gene. |
| | A) | altered |
| | B) | silenced |
| | C) | replaced |
| | D) | relocated |
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8 | |
A ____ is a recreation of a portion of an ecosystem in a laboratory. |
| | A) | microcosm |
| | B) | mibridization |
| | C) | bioremediation |
| | D) | rhizosecretion |
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9 | |
Two genes from a bacterium (Alcaligenes eutrophus) and a cotton gene produce |
| | A) | a plastic. |
| | B) | a vaccine against the bacterium. |
| | C) | a pharmaceutical product. |
| | D) | herbicide resistance. |
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10 | |
Which cell-based technology endows a cell with increased ability to harness energy? |
| | A) | chlybridization |
| | B) | cybridization |
| | C) | mibridization |
| | D) | protoplast fusion |
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11 | |
Assume that you are the president of a plant biotechnology company and you want to offer your customers a new variety of cucumber that tastes great, lasts longer on the shelf, and is less susceptible to insect damage. Which method will be the most precise and produce plants with the desired characteristics quicker? |
| | A) | traditional plant breeding |
| | B) | genetic modification through genetic engineering |
| | C) | neither, the president wants too much! |
| | D) | neither, research efforts have not focused on creating organisms with specific combinations of characteristics |
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12 | |
A researcher identifies a naturally occurring variant possessing characteristics of interest. This plant is selectively bred. This is an example of |
| | A) | traditional plant breeding. |
| | B) | transgenic technology. |
| | C) | mutant selection. |
| | D) | none of the above. |
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13 | |
Antisense technology |
| | A) | selectively blocks expression of a gene. |
| | B) | combines genetic material from different species. |
| | C) | combines organelles and cells. |
| | D) | alters or transfers cells. |
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14 | |
The first field tests were of what genetically altered organism? |
| | A) | bt corn |
| | B) | Vaccinia virus containing a gene from the rabies virus |
| | C) | the "flavrsavr" tomato |
| | D) | strawberry seedlings sprayed with "ice-minus" bacteria |
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15 | |
In a ____ protocol, bacteria with engineered abilities to detoxify pollutants are intentionally released in an area. |
| | A) | microcosm establishment |
| | B) | mibridization |
| | C) | bioremediation |
| | D) | rhizosecretion |
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16 | |
The consequences of genetic manipulations are always obvious after extensive laboratory and field testing. True or false? |
| | A) | true |
| | B) | false |
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17 | |
Which of the following dies from Ti plasmid infection? |
| | A) | rice |
| | B) | corn |
| | C) | sorghum |
| | D) | all of the above |
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18 | |
Which of the agricultural challenges below cannot be solved with transgenic techniques? |
| | A) | crops are damaged by frost |
| | B) | crops are killed by a virus |
| | C) | public concern about safety of synthetic pesticides |
| | D) | public preference for organic vegetables |
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19 | |
Transplastomics |
| | A) | targets genes in the chloroplast. |
| | B) | provides exceptionally low yields of protein products. |
| | C) | produces genes that are released in pollen. |
| | D) | offers little opportunity for practical use. |
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20 | |
Until the advent of bt corn, bt toxin was not used as a pest control method. True or false? |
| | A) | true |
| | B) | false |
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21 | |
The roots of a plant are converted into drug-producing structures in a process called |
| | A) | microcosm establishment. |
| | B) | mibridization. |
| | C) | bioremediation. |
| | D) | rhizosecretion. |
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22 | |
Given the DNA sequence ATTAAGGC, which sequence would be used by researchers as an antisense molecule? |
| | A) | AUUAAGGC |
| | B) | UAAUUCCG |
| | C) | CGGAATTA |
| | D) | TAATTCCG |
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23 | |
Which of the following statements is true regarding genomics? |
| | A) | Plant genomics lags behind similar efforts in animals and microorganisms. |
| | B) | Researchers can make use of genomic information even if the entire genome of an organism is not known. |
| | C) | Researchers are busy trying to determine the genome of the potato plant. |
| | D) | All of the above are true. |
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24 | |
Using biotechnology to increase the use of insecticides will not encourage the persistence of pests that are resistant to the chemicals. |
| | A) | true |
| | B) | false |
| | C) | no basis for judgment |
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25 | |
Plants derived sexually from the same plant are ____ while those derived from somatic tissue from the same plant are ____. |
| | A) | identical, different |
| | B) | different, also different |
| | C) | different, identical |
| | D) | plants cannot be derived from somatic tissue |
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