DP Biology (last assessment 2024)
Question 18M.3.HL.TZ1.3a
| Date | May 2018 | Marks available | [Maximum mark: 2] | Reference code | 18M.3.HL.TZ1.3a |
| Level | HL | Paper | 3 | Time zone | TZ1 |
| Command term | Suggest | Question number | a | Adapted from | N/A |
a.
[Maximum mark: 2]
18M.3.HL.TZ1.3a
Transpiration in plants can be measured using a bubble potometer or a mass potometer.
(a)
Suggest a possible research question that could be investigated using a potometer.
[2]
Markscheme
a. the research question identifies the independent variables
b. the research question identifies the dependent variable/derived value
c. the research question identifies the organism tested
If several variables are given, mark the first one only.
Examples:
a. Effect of changing/increasing wind/temperature/light/humidity/surface area/comparing different species
b. accept transpiration rate
c. accept common names.
