Exam-style question
Try this first
An investigation was carried out to trace the movement of water in the above-ground parts of a plant using a coloured dye.
Method
Method
1. A leafy stem was cut under water and placed in a beaker containing coloured dye solution. 2. The plant was left in the dye for 2 hours. 3. After 2 hours, the stem was cut open and examined for the presence of dye. 4. The distance the dye had travelled up the stem was measured.
- a[1]
Identify the independent variable in this investigation.
Aim for approximately 1 distinct marking point.
- b[2]
Describe how you would improve the accuracy of the measurement of dye movement in this investigation.
Aim for approximately 2 distinct marking points.
0 of 2 parts answered
Answer every part before opening the mark scheme.
Common mistake
No common mistake is linked to this question yet.