DP Biology (last assessment 2024)
Question 18M.3.SL.TZ1.18c
| Date | May 2018 | Marks available | [Maximum mark: 2] | Reference code | 18M.3.SL.TZ1.18c |
| Level | SL | Paper | 3 | Time zone | TZ1 |
| Command term | Outline | Question number | c | Adapted from | N/A |
c.
[Maximum mark: 2]
18M.3.SL.TZ1.18c
(c)
Outline the role of intestinal villi.
[2]
Markscheme
a. villi/microvilli provide large surface area
b. capillary network for absorption and transport
c. lacteal for absorption and transport of lipids/fatty acids/glycerol / bile resorption
d. mitochondria in epithelial cells provide energy for absorption
