The diagram shows a vertical section through the human eye - Leaving Cert Biology - Question 15(b) - 2006
Question 15(b)
The diagram shows a vertical section through the human eye.
(i) Name A, B, C, D and E.
(ii) In which of these parts would you find rods and cones?
(iii) Give one ... show full transcript
Worked Solution & Example Answer:The diagram shows a vertical section through the human eye - Leaving Cert Biology - Question 15(b) - 2006
Step 1
Name A, B, C, D and E.
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Answer
A = optic nerve
B = retina
C = suspensory ligament
D = lens
E = cornea
Step 2
In which of these parts would you find rods and cones?
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Answer
You would find rods and cones in the retina.
Step 3
Give one function of rods and one function of cones.
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Answer
Rods function to provide black and white vision or vision in poor light conditions. Cones are responsible for color vision or vision in good light.
Step 4
What is the function of A?
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Answer
The function of A is to carry impulses from the retina to the brain.
Step 5
What type of lens is used to correct long sight?
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Answer
Convex lenses are used to correct long sight.
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