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3 marksCoordination and Control

CSEC Human and Social Biology · January 2018 · Paper 2 · Question 3(c)(i)

Nigel must hold a newspaper 60 cm away from his eyes to read it at age 55, compared to 20 cm previously.

Name the condition Nigel has developed and state the cause of the condition.

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Other parts of this question

  1. 3(a)(i)Identify the structure labelled A.[1 mark]
  2. 3(a)(ii)Identify the structure labelled C.[1 mark]
  3. 3(a)(iii)Identify the structure labelled G.[1 mark]
  4. 3(b)(i)Which letter represents the structure that converts light energy to nerve impulses?[1 mark]
  5. 3(b)(ii)Which letter represents the structure that refracts light and helps the eyeball keep its shape?[1 mark]
  6. 3(b)(iii)Which letter represents the structure that supports the lens?[1 mark]
  7. 3(c)(ii)What type of lens should be used to correct the problem?[1 mark]
  8. 3(d)Nigel's wife was diagnosed with hypertension five years ago and has vision problems. Suggest a possible eye disease that she may have developed and how it may…[2 marks]
  9. 3(e)Lee's best friend says that our eyes really see things upside down. State whether Lee's friend is telling the truth and explain your response.[3 marks]

More practice: the rest of this paper · more Coordination and Control questions · all CSEC Human and Social Biology past papers