DP Biology (last assessment 2024)
Question 18N.3.HL.TZ0.2c
| Date | November 2018 | Marks available | [Maximum mark: 2] | Reference code | 18N.3.HL.TZ0.2c |
| Level | HL | Paper | 3 | Time zone | TZ0 |
| Command term | Describe | Question number | c | Adapted from | N/A |
c.
[Maximum mark: 2]
18N.3.HL.TZ0.2c
The micrograph shows a section through the root of a dicotyledonous plant (× 400).
(c)
Describe the distribution of vascular tissues in the stem of dicotyledonous plants.
[2]
Markscheme
a. stem vascular tissue is in bundles ✔
b. «bundles» form a ring
c. phloem is towards outside «of bundle»
OR
xylem is towards centre «of bundle» ✔
Allow answers in an annotated drawing
