DP Biology (last assessment 2024)

Test builder »

Question 18N.3.SL.TZ0.16c

Select a Test
Date November 2018 Marks available [Maximum mark: 2] Reference code 18N.3.SL.TZ0.16c
Level SL Paper 3 Time zone TZ0
Command term Discuss Question number c Adapted from N/A
c.
[Maximum mark: 2]
18N.3.SL.TZ0.16c

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 %.

(c)

Discuss whether the mass losses shown in the bar chart could be due to anorexia nervosa.

[2]

Markscheme

a. loss of mass similar in anorexia and starvation ✔

b. loss could also be due to disease/feeding difficulties/other disorder/poverty/social unrest ✔

c. lack of food intake in anorexia nervosa due to emotional disorder
OR
desire to lose weight/refusal to eat characteristics of anorexia nervosa ✔

d. loss of «cardiac» muscle is characteristics of anorexia nervosa ✔