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6 marksIrritability and Response

CSEC Biology · May/June 2018 · Paper 2 · Question 3(a)

Figure 4 shows a section through the human eye. Table 2, which is incomplete, shows structures in the human eye labelled in Figure 4 and their related functions. The first row has been completed.

Complete the table by matching EACH labelled part of the eye to its function. Write the letter and the name of the part.

This question uses a figure or table from the paper — you'll see it when you practise.

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Other parts of this question

  1. 3(b)Name ONE type of light sensitive cell found in the retina.[1 mark]
  2. 3(c)Explain why colours are seen less clearly in dim light than in bright light.[2 marks]
  3. 3(d)A colour-blind woman mates with a man who has normal colour vision. Determine the probability of this couple having a colour-blind daughter by completing the…[6 marks]

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