DP Biology (last assessment 2024)
Question 18M.3.SL.TZ1.19
| Date | May 2018 | Marks available | [Maximum mark: 4] | Reference code | 18M.3.SL.TZ1.19 |
| Level | SL | Paper | 3 | Time zone | TZ1 |
| Command term | Discuss | Question number | 19 | Adapted from | N/A |
19.
[Maximum mark: 4]
18M.3.SL.TZ1.19
Discuss the causes and consequences of malnutrition in humans.
[4]
Markscheme
Causes:
a. deficiency in an essential nutrient
b. excess of a nutrient
c. may be due to social/socioeconomic/political factors
d. unbalanced diet can result from malfunction of the hypothalamus
Consequences:
e. starvation can lead to breakdown of body tissues
f. obesity can lead to other health problems/diabetes/CHD
g. anorexia can lead to organ failure/serious health problems
h. consequence of a named excess/deficiency
Maximum 3 marks if both causes and consequences not mentioned.
