The human eye is an example of a sense organ - Leaving Cert Biology - Question a - 2017
Question a
The human eye is an example of a sense organ.
(i) Name the parts labelled A, B, C.
(ii) What is the function of the iris in the eye?
(iii) In what labelled part w... show full transcript
Worked Solution & Example Answer:The human eye is an example of a sense organ - Leaving Cert Biology - Question a - 2017
Step 1
Name the parts labelled A, B, C.
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Answer
A = Optic nerve, B = Retina, C = Lens.
Step 2
What is the function of the iris in the eye?
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Answer
The function of the iris is to control the amount of light entering the eye.
Step 3
In what labelled part would you find the rods and cones?
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Answer
The rods and cones are found in part B, the retina.
Step 4
Give the precise function of the rods in the eye.
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The precise function of the rods is to enable monochrome vision or to work in dim light.
Step 5
To which organ does part A connect the eye?
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Answer
Part A connects the eye to the brain.
Step 6
Name a part of the ear that has a similar function to part B of the eye.
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Answer
The ear part corresponding to the retina is the cochlea or semicircular canals.
Step 7
Name two other sense organs.
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Two other sense organs include the tongue and the skin.
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