

MCQOPTIONS
Saved Bookmarks
This section includes 14 Mcqs, each offering curated multiple-choice questions to sharpen your Biology knowledge and support exam preparation. Choose a topic below to get started.
1. |
Which of these is not a characteristic of the iris? |
A. | It is opaque |
B. | It is a part of the sclera |
C. | It is a continuation of the ciliary bodies |
D. | It is pigmented |
Answer» C. It is a continuation of the ciliary bodies | |
2. |
The ciliary body is a part of which of these structures? |
A. | Choroid |
B. | Retina |
C. | Sclera |
D. | Macula lutea |
Answer» B. Retina | |
3. |
Which of these structures have a bluish appearance? |
A. | Sclera |
B. | Cornea |
C. | Choroid |
D. | Retina |
Answer» D. Retina | |
4. |
What is retinal? |
A. | Aldehyde of opsin |
B. | Isomer of opsin |
C. | Aldehyde of vitamin A |
D. | Acid of riboflavin |
Answer» D. Acid of riboflavin | |
5. |
At which of these sites will you find a yellowish pigmented spot? |
A. | A |
B. | B |
C. | C |
D. | D |
Answer» D. D | |
6. |
Scotopic vision is a function of cone cells. True or false? |
A. | True |
B. | False |
Answer» C. | |
7. |
Identify the part of the eye. |
A. | Cornea |
B. | Optic nerve |
C. | Blind spot |
D. | Fovea |
Answer» E. | |
8. |
How many layers of neural cells does the retina possess? |
A. | 3 |
B. | 2 |
C. | 4 |
D. | 1 |
Answer» B. 2 | |
9. |
The iris is a continuation of which of these structures? |
A. | Retina |
B. | Cornea |
C. | Ciliary body |
D. | Sclera |
Answer» D. Sclera | |
10. |
What is the middle layer of the eye known as? |
A. | Retina |
B. | Choroid |
C. | Cornea |
D. | Sclera |
Answer» C. Cornea | |
11. |
What is the anterior portion of the sclera known as? |
A. | Cornea |
B. | Choroid |
C. | Retina |
D. | Iris |
Answer» B. Choroid | |
12. |
What is the sclera composed of? |
A. | Mucoid connective tissue |
B. | Loose connective tissue |
C. | Dense connective tissue |
D. | Pigmented connective tissue |
Answer» D. Pigmented connective tissue | |
13. |
How many layers does the wall of the eyeball have? |
A. | 1 |
B. | 2 |
C. | 3 |
D. | 4 |
Answer» D. 4 | |
14. |
In which of these structures are the eyes located? |
A. | Glenoid cavity |
B. | Acetabulum |
C. | Pores |
D. | Orbits |
Answer» E. | |