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4 marksReproduction in Plants

CAPE Biology Unit 1 · 2014 · Paper 2 · Question 3(b)(ii)

An experiment is conducted to investigate the effect of sucrose concentration on the germination of pollen grains for a particular plant species. The results are shown in Figure 5.

Explain the significance of this response for the pollination process.

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Other parts of this question

  1. 3(a)(i)Make a detailed labelled drawing of the region highlighted by Box X in Figure 4 B.[6 marks]
  2. 3(a)(ii)Using Figure 3 or Figure 4 as a guide, outline the key development stages of spermatozoa within the seminiferous tubule.[3 marks]
  3. 3(b)(i)Briefly describe the results of this experiment shown in Figure 5.[2 marks]

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