DP Biology (last assessment 2024)
Question 19N.3.SL.TZ0.c
Date | November 2019 | Marks available | [Maximum mark: 1] | Reference code | 19N.3.SL.TZ0.c |
Level | SL | Paper | 3 | Time zone | TZ0 |
Command term | State | Question number | c | Adapted from | N/A |
c.
[Maximum mark: 1]
19N.3.SL.TZ0.c
Three groups of human volunteers were given different amounts of almond nuts added to a controlled diet for a period of 68 days. During that period the amount of energy released in their feces was measured.
[Source: Janet A Novotny, Sarah K Gebauer, David J Baer, Discrepancy between the Atwater factor predicted and
empirically measured energy values of almonds in human diets, The American Journal of Clinical Nutrition,
Volume 96, Issue 2, August 2012, Pages 296–301, https://doi.org/10.3945/ajcn.112.035782]
State one material not produced by the human body that is egested from the digestive system.
[1]
Markscheme
cellulose/lignin/fibre ✔
