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2 marksReproduction and Growth

CSEC Integrated Science · May/June 2013 · Paper 2 · Question 3(d)(iv)

Figure 5 shows the growth curve for Seedlings A and B.

Give TWO possible reasons for the difference in the maximum height reached by Seedlings A and B.

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Other parts of this question

  1. 3(a)(i)Label the parts X, Y and Z on Figure 3.[3 marks]
  2. 3(a)(ii)State TWO structures present in the male human reproductive system that are not present in females.[2 marks]
  3. 3(b)Explain how this plant may be reproduced by: - Asexual reproduction - Sexual reproduction[3 marks]
  4. 3(c)Suggest TWO ways by which governments or individuals can overcome the problem of overpopulation in developing countries.[2 marks]
  5. 3(d)(i)State which seedling, A or B, has the HIGHEST growth rate.[1 mark]
  6. 3(d)(ii)What is the maximum height reached by Seedling A?[1 mark]
  7. 3(d)(iii)What is the maximum height reached by Seedling B?[1 mark]

More practice: the rest of this paper · more Reproduction and Growth questions · all CSEC Integrated Science past papers