Portage Learning BIOD 152 Module 3 Exam with
Complete Solutions
Vision and the Eye
1. What are the five special senses?
Vision, smell, taste, hearing, and equilibrium (balance)
2. What are the two parts of the outer layer of the eye?
Sclera (the white of the eye) and cornea (transparent part of the eye
where light
enters)
3. What is included in the middle layer of the eye?
Choroid, the ciliary muscle, and the iris
4. The pupil is a hole in the .
Center of the iris
5. The inner sensory layer is the .
retina
6. What are the two types of photoreceptors and their functions?
The rods are numerous cells that are stimulated in dim light and are
more sensitive to light, but do not generate sharp or color images. Cones
, operate in bright light to help generate sharp color images.
Complete Solutions
Vision and the Eye
1. What are the five special senses?
Vision, smell, taste, hearing, and equilibrium (balance)
2. What are the two parts of the outer layer of the eye?
Sclera (the white of the eye) and cornea (transparent part of the eye
where light
enters)
3. What is included in the middle layer of the eye?
Choroid, the ciliary muscle, and the iris
4. The pupil is a hole in the .
Center of the iris
5. The inner sensory layer is the .
retina
6. What are the two types of photoreceptors and their functions?
The rods are numerous cells that are stimulated in dim light and are
more sensitive to light, but do not generate sharp or color images. Cones
, operate in bright light to help generate sharp color images.
