DP Biology (last assessment 2024)
Question 17N.3.HL.TZ0.16c
| Date | November 2017 | Marks available | [Maximum mark: 3] | Reference code | 17N.3.HL.TZ0.16c |
| Level | HL | Paper | 3 | Time zone | TZ0 |
| Command term | Outline | Question number | c | Adapted from | N/A |
c.
[Maximum mark: 3]
17N.3.HL.TZ0.16c
(c)
Outline three issues arising from the release of pollutants into the environment.
[3]
Markscheme
a. reduction in biodiversity
b. biomagnification occurs
c. change in abiotic conditions
eg: loss of soil quality/loss of ozone layer
d. global warming
eg: methane, acid rain, climate change
e. community changes
eg: increase in pest species
f. health hazards/mutations
eg: animals choking on plastic, cancer, etc
g. other valid issue
eg: poisoning from toxins/pollutants
[Max 3 Marks]