DP Biology (last assessment 2024)
Question 18N.3.SL.TZ0.9d
Date | November 2018 | Marks available | [Maximum mark: 1] | Reference code | 18N.3.SL.TZ0.9d |
Level | SL | Paper | 3 | Time zone | TZ0 |
Command term | Suggest | Question number | d | Adapted from | N/A |
d.
[Maximum mark: 1]
18N.3.SL.TZ0.9d
The starch found in potato tubers (Solanum tuberosum) is normally a mixture of 80 % amylopectin and 20 % amylose. The Amflora potato is genetically modified to alter this ratio. The modified potato is not suitable for human consumption but is grown for industrial uses.
(d)
Suggest one reason for concerns about growing GM crop varieties such as the Amflora potato on farms.
[1]
Markscheme
a. encourages monocultures/reducing biodiversity ✔
b. may reduce natural resistance to pests/disease ✔
c. may cross-pollinate with non-GM crops ✔
d. disruption of practices of farming/agricultural land not being used for food production ✔
e. crop-to-crop gene flow ✔
