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2 marksReproduction in Plants

CAPE Biology Unit 1 · 2008 · Paper 2 · Question 3(a)(ii)

Figure 4 represents an incomplete longitudinal section (LS) through a carpel just prior to fertilization.

On Figure 4, label TWO features of the embryo sac.

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Other parts of this question

  1. 3(a)(i)a)Draw on the diagram in Figure 4 the ovule.[2 marks]
  2. 3(a)(i)b)Draw on the diagram in Figure 4 the path taken by the germinating pollen grain.[1 mark]
  3. 3(a)(iii)Identify ONE role for EACH of the features in (ii) above.[2 marks]
  4. 3(b)(i)State the term used to describe this reproductive feature.[1 mark]
  5. 3(b)(ii)State ONE disadvantage to the plant in having this feature.[1 mark]
  6. 3(c)(i)Suggest TWO mechanisms that occur NATURALLY in plants to aid NON-SEXUAL propagation.[2 marks]
  7. 3(c)(ii)State ONE advantage of the mechanisms you identified in (c) (i).[1 mark]
  8. 3(d)Discuss THREE advantages of these methods over the natural methods of non-sexual propagation.[3 marks]

More practice: the rest of this paper · more Reproduction in Plants questions · all CAPE Biology Unit 1 past papers