DP Biology (last assessment 2024)
Question 18N.3.SL.TZ0.b
Date | November 2018 | Marks available | [Maximum mark: 2] | Reference code | 18N.3.SL.TZ0.b |
Level | SL | Paper | 3 | Time zone | TZ0 |
Command term | Outline | Question number | b | Adapted from | N/A |
b.
[Maximum mark: 2]
18N.3.SL.TZ0.b
The bar chart shows the percentage loss of mass by various organs and tissues of the body of a person due to starvation. The overall body mass loss was 40 %.
Outline the reason for such a high percentage reduction in mass of adipose tissue.
[2]
Markscheme
a. adipose tissue has a high energy value ✔
b. adipose tissue may be lost before affecting body metabolism/homeostasis ✔
c. body will use up adipose reserves first before using muscle and organs for energy ✔
Accept fat for adipose tissue
