Detrmining rate of growth using germinating bean seen plant

In an experiment, students made some marks on the root of a germinating bean plant as shown in the following diagram.

  1. State the aim of the experiment. (1 mark)
  2. On the space provided on the right side of the diagram, sketch the appearance of the marks on the root after 14 days. (1 mark)
  3. Account for the appearance of the marks on the sketch in (b) above. (3 marks)
  4. State two materials the students would require to undertake the experiment. (2 marks)
  5. State the role of testa during germination. (1 mark)



Suggested resposponses


Dertermining the rate of growth of a root in a germinating bean plant.

(a) Determine the rate of growth (in the root);

(b) Check the sketch, the marks should have longer intervals;

(c) The intervals are longer between the marks; there is increase in...