Pupil of human eye has not which of the following properties?

(1) In front of the lens

(2) The aperture surrounded by the Iris

(3) Diameter of the pupil is regulated by collagen fibres of Iris

(4) All of these

(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

(1) bca

(2) abc

(3) bac

(4) None of these

(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

(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

(1) Is a derivative of vitamin A

(2) Has a derivative of vitamin A

(3) Has vitamin A

(4) Is vitamin A

(1) Red

(2) Green

(3) Blue

(4) Yellow

(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

(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

(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.