Question

The human eye has three types of cone cells. Damage to any one of the types of cone cells doesn’t cause total blindness because of the
a. presence of rod cells
b. other two functional cone cells
c.presence of optic nerves .
A person who has a nonfunctional cone type won’t be able to identify the
a. color
b. shape
c. size
of objects.

Answer 1

1. B
2. A

Hope this helped. 

Answer 2

I believe the answers are - other 2 functional cone cells and - color