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The region of the vertebrate eye, where ...

The region of the vertebrate eye, where the optics nerve passes out of the retina and photoreceptor cells are not present in that region is called

A

Fovea

B

Iris

C

Blind spot

D

Optic chiasma

Text Solution

AI Generated Solution

The correct Answer is:
**Step-by-Step Solution:** 1. **Understanding the Question**: The question asks for a specific region in the vertebrate eye where the optic nerve exits the retina and where photoreceptor cells are absent. 2. **Identifying the Options**: The potential options provided in the question are: - Fovea - Iris - Blind Spot - Optic Chiasma 3. **Analyzing Each Option**: - **Fovea**: This is the area of the retina with the highest concentration of cone cells (photoreceptors) and is responsible for sharp central vision. Therefore, it does contain photoreceptor cells, making this option incorrect. - **Iris**: The iris is the colored part of the eye that controls the size of the pupil and the amount of light entering the eye. It also contains some photoreceptor cells, so this option is also incorrect. - **Blind Spot**: This is the area on the retina where the optic nerve exits the eye. In this region, there are no photoreceptor cells, which means it cannot detect light. Therefore, this is the correct answer. - **Optic Chiasma**: This is the point where the optic nerves from both eyes cross over. It is not the location where the optic nerve exits the retina, thus making this option incorrect. 4. **Conclusion**: The correct answer is the **Blind Spot**, as it is the region of the vertebrate eye where the optic nerve passes out of the retina and where photoreceptor cells are absent. **Final Answer**: Blind Spot ---
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