Question

<!--td {border: 1px solid #ccc;}br {mso-data-placement:same-cell;}--> Name the two photoreceptors in the eye, their function, and the visual pigments they contain. [2 Marks]

Answer 1

<!--td {border: 1px solid #ccc;}br {mso-data-placement:same-cell;}--> The two types of photoreceptors in the eye are the rods and cones.
[0.5 Marks]

Rods have a visual pigment called rhodopsin and cones have photopsins. Rod cells are highly sensitive to light and function at night as night vision whereas cone cells are responsible for color vision.
[1.5 Marks]