The maximum refraction of light occurs at the ....

Which of the following is responsible for color vision?

Parts $A, B, C$ and $D$ of the human eye are shown in the diagram. Select the option which gives correct identification along with its functions/characteristics.

In which of the following, eyes do not shine at night?

The midpoint of the yellow spot contains only cones. This point is known as:

The purplish-red pigment rhodopsin contained in the rod-type photoreceptor cells of the human eye is a derivative of