Question detail
What is the primary function of the retina in the eye?
Try the question, check the answer, then read the explanation to understand the curriculum point.
At a glance
MCQ
Type
practice
Style
Topic
The human nervous system
Question
- A. To focus light onto the lens
- B. To detect light intensity and color
- C. To protect the eye from injury
- D. To control the diameter of the pupil
Answer
The correct option is To detect light intensity and color. This answer is correct because it matches the approved learning objective to describe the retina as the light-sensitive layer containing receptor cells sensitive to light intensity and colour in the subtopic The eye (biology only).
Explanation
The correct option is To detect light intensity and color. To detect light intensity and color is correct because it directly supports the approved learning objective to describe the retina as the light-sensitive layer containing receptor cells sensitive to light intensity and colour. This belongs to the subtopic The eye (biology only) within The human nervous system, so the explanation must stay tied to that curriculum context. The other options are incorrect because they either do not answer this learning objective, use a vague statement, or move away from The eye (biology only).
Common mistake
Misunderstanding the Retina's Function
Students often describe the retina only as a layer in the eye without mentioning its role in detecting light intensity and color.
Emphasize that the retina is not just a layer, but a crucial light-sensitive structure that contains receptor cells responsible for detecting both light intensity and color.
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