DP Biology (last assessment 2024)
Question 18M.3.HL.TZ1.a
| Date | May 2018 | Marks available | [Maximum mark: 2] | Reference code | 18M.3.HL.TZ1.a |
| Level | HL | Paper | 3 | Time zone | TZ1 |
| Command term | Describe | Question number | a | Adapted from | N/A |
a.
[Maximum mark: 2]
18M.3.HL.TZ1.a
The diagram shows one of the stages in neurulation.
Describe what happens next in neurulation.
[2]
Markscheme
a. neural plate moves/folds/bends inwards to form a groove
b. cells multiply/edges increase in height
c. borders/edges of neural plate join/form neural crest
d. neural tube forms/separates from rest (of ectoderm)
