Welcome to the Quiz!
This quiz contains 10 questions from a mix of 1 subtopics.
What is the function of the pupil in the eye?
it adjusts the size of the pupil
it lets light into the eye
it sends signals from the retina to the brain
it focuses light onto the back of the eye
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What is the function of the lens in the eye?
it focuses light onto the back of the eye
it detects light
it adjusts the size of the pupil
it sends signals from the retina to the brain
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What is the function of the iris in the eye?
to adjust the size of the pupil
to send signals from the retina to the brain
to detect light
to focus light onto the back of the eye
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What is the function of the optic nerve in the eye?
it sends signals from the retina to the brain
it detects light
it focuses light onto the back of the eye
it adjusts the size of the pupil
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What is the function of photoreceptors in the eye?
to focus light onto the back of the eye
to convert light into an electrical impulse
to send signals from the retina to the brain
to adjust the size of the pupil
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What is the term used to describe the sharpness of vision and ability to distinguish fine details?
visual sensitivity
visual precision
visual clarity
visual acuity
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Explain how light is converted into an electrical impulse by photoreceptors.
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What is the main difference between the functions of rods and cones?
cones detect colour, rods detect low light
rods detect colour, cones detect low light
rods detect movement, cones detect details
cones detect movement, rods detect details
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Which type of photoreceptor cell has a higher visual acuity?
cones
rods
both have equal visual acuity
neither have visual acuity
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Which type of photoreceptor cell is more sensitive to light?
rods
cones
neither are sensitive to light
both are equally sensitive
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