TOPIC- SENSE ORGANS Flashcards
1
Q
What are the different layers of the eye
A
- Outermost- Sclera
- Middle layer- Choroid
- Innermost retina
2
Q
Which layer is k/a White of the eye
A
Sclera
3
Q
Cornea is a reflecting/refracting structure
A
Refracting
4
Q
Choroid looks ___ in colour
A
Bluish
5
Q
The diameter of pupil is located by
A
Iridial muscles
6
Q
What is the role of Choroid layer
A
To prevent reflections of light rays within the eyes
7
Q
The actual light receptors of the eye are
A
Roda and cone
8
Q
The retina consists of two portions, they are
A
- Pigment epithelium- non visual portion
- Neural portion- visual portion
9
Q
Cones are responsible for ___ vision
A
Photopic vision
10
Q
Rods are responsible for___ vision
A
Twilight/ scotopic vision
11
Q
What is the pigment in rod
A
Rhodopsin or Visual purple
12
Q
Rhodopsin consists of two parts they are
A
- A protein molecule- opsin/ Scotopsin
- Molecule of carotenoid - retinal