MCQOPTIONS
Saved Bookmarks
MCQOPTIONS
This section includes 12 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. |
Scotopic vision is a function of cone cells. True or false? |
| A. | True |
| B. | False |
| Answer» C. | |
| 6. |
How many layers of neural cells does the retina possess? |
| A. | 3 |
| B. | 2 |
| C. | 4 |
| D. | 1 |
| Answer» B. 2 | |
| 7. |
The iris is a continuation of which of these structures? |
| A. | Retina |
| B. | Cornea |
| C. | Ciliary body |
| D. | Sclera |
| Answer» D. Sclera | |
| 8. |
What is the middle layer of the eye known as? |
| A. | Retina |
| B. | Choroid |
| C. | Cornea |
| D. | Sclera |
| Answer» C. Cornea | |
| 9. |
What is the anterior portion of the sclera known as? |
| A. | Cornea |
| B. | Choroid |
| C. | Retina |
| D. | Iris |
| Answer» B. Choroid | |
| 10. |
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 | |
| 11. |
How many layers does the wall of the eyeball have? |
| A. | 1 |
| B. | 2 |
| C. | 3 |
| D. | 4 |
| Answer» D. 4 | |
| 12. |
In which of these structures are the eyes located? |
| A. | Glenoid cavity |
| B. | Acetabulum |
| C. | Pores |
| D. | Orbits |
| Answer» E. | |