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3 marksReproduction

CSEC Biology · January 2007 · Paper 2 · Question 3(a)(ii)

Figure 3 shows the menstrual cycle in a human female.

Identify TWO hormones involved in the menstrual cycle and give the function of any ONE.

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Other parts of this question

  1. 3(a)(i)Using the numbers I - IV, label Figure 3 to indicate where in the menstrual cycle EACH of the following events occur: a) Uterus wall builds up as oestrogen…[4 marks]
  2. 3(b)State THREE functions of the placenta during development of the foetus.[3 marks]
  3. 3(c)(i)State THREE birth control methods practised by human beings.[3 marks]
  4. 3(c)(ii)Suggest why birth control seems more important in humans than in other populations of mammals.[2 marks]

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