MCQOPTIONS
Saved Bookmarks
MCQOPTIONS
This section includes 8 Mcqs, each offering curated multiple-choice questions to sharpen your Engineering Chemistry knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
A disorder in which rod cells in the retina lose their ability to respond to light is called as ______ |
| A. | Color blindness |
| B. | Night blindness |
| C. | Day blindness |
| D. | Retina blindness |
| Answer» C. Day blindness | |
| 2. |
Which scientist first discovered that rod cells contain rhodospin? |
| A. | Franz Boll |
| B. | Benjamin Franklin |
| C. | Robert Lewis |
| D. | Andrew Boll |
| Answer» B. Benjamin Franklin | |
| 3. |
All animals possess both rods and cones. |
| A. | True |
| B. | False |
| Answer» C. | |
| 4. |
Rhodospin is a combination of opsin and _______ |
| A. | 11-cis-retinal |
| B. | 10-cis-retinal |
| C. | 11-trans-retinal |
| D. | 10-trans-retinal |
| Answer» B. 10-cis-retinal | |
| 5. |
Rhodospin is a ______ pigment in the rod cells of retina. |
| A. | red |
| B. | yellow |
| C. | green |
| D. | black |
| Answer» B. yellow | |
| 6. |
Retina is made up of which type of cells? |
| A. | Rods and cones |
| B. | Rids and cones |
| C. | Rods and coans |
| D. | Rods and rhodospin |
| Answer» B. Rids and cones | |
| 7. |
In the mechanism of vision, cis-retinal is converted into trans-retinal. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 8. |
Which vitamin is important for vision? |
| A. | Vitamin A |
| B. | Vitamin B |
| C. | Vitamin C |
| D. | Vitamin D |
| Answer» B. Vitamin B | |