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2 marksReproduction in Plants

CAPE Biology Unit 1 · 2009 · Paper 2 · Question 3(b)(iii)

Figure 3 represents a mature pollen grain.

State ONE major change that occurs when a pollen grain germinates and explain its significance.

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Other parts of this question

  1. 3(a)(i)Define the terms 'asexual reproduction' and 'vegetative propagation'.[2 marks]
  2. 3(a)(ii)Structures such as bulbs, corms and tubers are suitable for use in vegetative propagation. State ONE characteristic of the tissue of these structures, which…[1 mark]
  3. 3(a)(iii)State ONE function, other than vegetative propagation, that is often carried out by bulbs, corms and tubers.[1 mark]
  4. 3(b)(i)Briefly describe FOUR MAIN features of the pollen grain shown in Figure 3.[4 marks]
  5. 3(b)(ii)In the box below, draw and label the structure of the pollen grain at the END of germination.[3 marks]
  6. 3(c)The stigma plays an important role in fertilization by providing a location for the pollen to be deposited. Explain TWO other ways in which the stigma plays an…[2 marks]

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