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Author Question: The pigment necessary for night vision is: A) rods. B) cones. C) rhodopsin. D) fovea ... (Read 75 times)

ishan

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on: Jun 26, 2018
The pigment necessary for night vision is:
 
  A) rods.
  B) cones.
  C) rhodopsin.
  D) fovea centralis.

Question 2

The small depression located in the macula lutea is known as the:
 
  A) optic disk.
  B) retina.
  C) fovea centralis.
  D) ciliary body.


triiciiaa

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Reply #1 on: Jun 26, 2018
Answer to Question 1

C
Explanation: A) Rods are used for night vision, but they are not pigment.
B) Cones are sensitive to bright light and color vision.
C) Correct.
D) Fovea centralis is the central focusing point within the eye.

Answer to Question 2

C
Explanation: A) The optic disk is where the optic nerve exits the eye.
B) The retina is the lining of the posterior eye.
C) Correct.
D) The ciliary body attaches the iris to the eye.


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