Question detail
What is the function of the sclera 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 refract light entering the eye
- B. To support and protect the eye
- C. To carry impulses to the brain
- D. To control the diameter of the pupil
Answer
The correct option is To support and protect the eye. This answer is correct because it matches the approved learning objective to describe the sclera as the tough supporting outer layer of the eye in the subtopic The eye (biology only).
Explanation
The correct option is To support and protect the eye. To support and protect the eye is correct because it directly supports the approved learning objective to describe the sclera as the tough supporting outer layer of the eye. 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 Sclera's Function
Students often describe the sclera as just a protective layer without mentioning its toughness and support role.
Emphasize that the sclera is not only a protective layer but also a tough supporting structure that maintains the shape of the eye.
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