IGCSEScienceCambridge (CIE)Combined ScienceBiologyExam Questions8. Transport in PlantsTransport in Plants

Transport in Plants (Cambridge (CIE) IGCSE Combined Science: Biology): Exam Questions

Exam code: 0653

3 mins2 questions
1
1 mark

The diagram shows a cross-section through a leaf.

Diagram of a leaf cross-section showing upper epidermis and several circular cells, with one labelled X and a larger central oval cell in the middle

What are the functions of the tissue labelled X?

  1. transport of amino acids

  2. transport of sucrose

  3. transport of water

  4. support

  • 1 and 2 only

  • 3 and 4 only

  • 1 and 4 only

  • 2 and 3 only

Choose your answer

2
2 marks

Fig. 2.1 shows a section of a plant stem.

Microscope cross-section of plant stem showing labelled outer layer, central xylem tissue and region Q within vascular bundle

(i) Circle the substances transported by the cells labelled Q on Fig. 2.1.

amino acids fatty acids glycerol glucose nitrate ions starch sucrose

[1]

(ii) One function of xylem is transport.

State one other function of xylem.

[1]

How did you do?