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CSEC Biology · January 2007 · Paper 2 · Question 2(b)(i)

Osteoporosis refers to a decrease in bone density, the bones become brittle, weakened and easily fractured.

Give TWO reasons that may account for the development of osteoporosis with age.

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Other parts of this question

  1. 2(a)Using the information in Figure 2, draw TWO conclusions about the incidence of the disease.[2 marks]
  2. 2(b)(ii)State TWO functions of oestrogen.[2 marks]
  3. 2(c)(i)If children were to be affected by osteoporosis, suggest TWO likely effects of the disease on their bodies.[2 marks]
  4. 2(c)(ii)Suggest a mineral supplement that is likely to be recommended for people suffering from osteoporosis.[1 mark]
  5. 2(d)(i)Give TWO advantages of bone being a living tissue.[2 marks]
  6. 2(d)(ii)Apart from support, identify TWO functions of bone.[2 marks]

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