Quelpr
2 marksThe Uptake and Transport of Water and Minerals

CAPE Biology Unit 2 · May/June 2022 · Paper 2 · Question 2(a)(iii)

Figure 1 shows a schematic diagram of cells in a plant root.

Describe how water potential facilitates the movement of water from the soil into the plant roots.

This question uses a figure or table from the paper — you'll see it when you practise.

The mark scheme is shown once you've answered.

Practise this question

Other parts of this question

  1. 2(a)(i)On Figure 1, insert labels to identify THREE different types of root cells.[3 marks]
  2. 2(a)(ii)Insert arrows on Figure 1 to illustrate the direction of water movement from the soil into the different areas of the plant root shown in the diagram.[3 marks]
  3. 2(b)(i)Compare the observed differences in transpiration rates at 60 days and 75 days at the highest intensities and lowest intensities.[4 marks]
  4. 2(b)(ii)Explain the differences between the transpiration rates on a sunny day and at night-time.[3 marks]
  5. 2(c)In the space provided below, draw a diagram of ONE red blood cell and ONE white blood cell shown in Figure 3.[7 marks]
  6. 2(d)Justify why cardiac output increases during peak performance in athletes (80–120 bpm) but decreases when heart rate exceeds 160 bpm.[8 marks]

More practice: the rest of this paper · more The Uptake and Transport of Water and Minerals questions · all CAPE Biology Unit 2 past papers