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1 markCoordination and Control

CSEC Human and Social Biology · January 2013 · Paper 2 · Question 4(b)(ii)

Activities that occur in the human eye when focusing on objects at different distances.

State the name of the process by which the eye focuses on near and far objects.

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Other parts of this question

  1. 4(a)Name TWO sense organs and the stimuli they detect.[4 marks]
  2. 4(b)(i)Annotate Figure 6 to show the activities that occur when the eye is focusing on a near object.[3 marks]
  3. 4(c)(i)Name the eye defect that is caused by an irregularly curved cornea.[1 mark]
  4. 4(c)(ii)Explain what causes glaucoma.[2 marks]
  5. 4(c)(iii)What effect does glaucoma have on eye vision?[1 mark]
  6. 4(c)(iv)Explain to Uncle Khan what a cataract is and how it can be treated.[3 marks]

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