DP Biology (last assessment 2024)
Question 17N.3.HL.TZ0.04c
| Date | November 2017 | Marks available | [Maximum mark: 3] | Reference code | 17N.3.HL.TZ0.04c |
| Level | HL | Paper | 3 | Time zone | TZ0 |
| Command term | Explain | Question number | c | Adapted from | N/A |
c.
[Maximum mark: 3]
17N.3.HL.TZ0.04c
(c)
Explain how the cerebral cortex in humans differs from other mammals.
[3]
Markscheme
a. parts/lobes/proportions more highly developed in humans «than in other animals»
b. folding/wrinkles/sulci/gyri
c. increases surface area
d. larger mass of cerebral cortex «relative to body mass»
e. enables higher order functions
Do not accept answers that only refer to the “brain” in general instead of the “cortex”
[Max 3 Marks]
