There are ……..types of cone cells.
a) two
b) three
c) four
d) five
The sensation of white light is produced when….. is/are stimulated.
a) red cones
b) green cones
c) blue cones
d) all of these
The optic nerve leaves the eye at the ……pole.
a) anterior
b) posterior
c) ventral
d) lateral
At the posterior pole of the eye, opposite to the lens, there is spot called……….
a) blind spot
b) colored spot
c) fovea
d) retina
The color of fovea is…..
a) reddish
b) yellowish
c) greenish
d) bluish
Which of the following cells are present in fovea?
a) rods
b) cones
c) both a and b
d) none of these
