Photosensitive compound in the human eye is made up of:

1. Opsin and Retinal 2. Opsin and Retinol
3. Transducin and Retinene 4. Guanosine and Retinol
 84%
Level 1: 80%+
NEET - 2016
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Mark the vitamin present in rhodopsin

1. vit-A

2. vit-B

3. vit-C

4. vit-D

 95%
Level 1: 80%+
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In a man, the abducens nerve is injured. Which one of the following functions will be affected?

1. Swallowing

2. Movement of the eyeball

3. Movement of the neck

4. Movement of the tongue 

Subtopic:  Sensory reception and Processing |
 65%
Level 2: 60%+
AIPMT - 2005
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Assertion (A): A real and inverted image is obtained on the retina.
Reason (R): Lens of eye is naturally biconcave
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true but (R) is not the correct explanation of (A).
3. (A) is true but (R) is false.
4. Both (A) and (R) are false.
 50%
Level 3: 35%-60%
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Read the following statements and choose the correct option:
A. Owls move freely during night.
B. They have large number of rods on their retina.
1. Both the statements A and B are correct and B is the correct explanation of A
2. Both the statements A and B are correct but B is not the correct explanation of A
3. Statement A is correct and B incorrect 
4. Statement B is correct and A incorrect 
 82%
Level 1: 80%+
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