Which of the following is wrong with respect to Retina?
(1) Innermost layer of eye
(2) Three layers of neural cells
(3) Ganglion is outermost cell
(4) Rods and Cones are the photoreceptors over there
The neural cells of Retina of eye are-.
a. Bipolar cell
b. Ganglion cell
c. Photoreceptor cells
Arrange them in order from inside to outside.
(1) bca
(2) abc
(3) bac
(4) None of these
Which of the following is true regarding photoreceptor cells?
(1) Have light sensitive glycoproteins
(2) Photopic vision is function of rods
(3) Scotopic vision is function of cones
(4) Color vision is function of cones
The rods contain
(1) A purplish red protein called the rhodopsin or visual purple
(2) A yellow red pigment called leutopsin or visual yellow
(3) A brown yellow pigment called rhodopsin or visual brown
(4) Both A and B
Rhodopsin
(1) Is a derivative of vitamin A
(2) Has a derivative of vitamin A
(3) Has vitamin A
(4) Is vitamin A
Which of the following lights is not responded by photo pigments which are present in human eye?
(1) Red
(2) Green
(3) Blue
(4) Yellow
Sensation of white light is produced when
(1) When rodes are stimulated more than cones
(2) When cones are equally stimulated
(3) When rodes are equally stimulated
(4) When cones are stimulated more than rodes
The point where optic nerve leave and the retinal blood vessels enter it is
(1) A point left to and slightly down the posterior pole of the eyeball
(2) A point medial to and slightly above the posterior pole of eye ball
(3) A point right to and slightly above the posterior pole of eyeball
(4) A point medial to and slightly down the posterior pole of the eyeball
Blind spot is not
(1) Photoreceptor cells are not present in blind spot
(2) Retinal blood vessels enter at that point
(3) Optic nerves leave the eye at this point
(4) Is slightly below the posterior pole of the eyeball.
Yellow spot of eye is
(1) At the posterior pole of the eyeball which is lateral to the blind spot
(2) At the anterior pole of the eyeball which is above to the blind spot
(3) At the anterior pole of the durbal which is lateral the blind spot
(4) At the posterior pole of the eyeball which is below the blind spot