DP Biology (first assessment 2025)
Question 19M.1B.SL.TZ2.c
Date | May 2019 | Marks available | [Maximum mark: 1] | Reference code | 19M.1B.SL.TZ2.c |
Level | SL | Paper | 1B | Time zone | TZ2 |
Command term | Deduce | Question number | c | Adapted from | N/A |
c.
[Maximum mark: 1]
19M.1B.SL.TZ2.c
Deduce, with a reason, whether the relative brain mass is a good indicator of brain development.
[1]
Markscheme
a. not a good indicator because it depends on body mass ✔
b. not a good indicator as less developed organisms show a larger relative brain mass ✔
Accept answers referring to specific organisms shown
Examiners report
In parts (b) and (c) few candidates referred to ‘relative’ brain mass thereby providing incorrect responses.
