Animal Physiology: Locomotion, Senses, Nervous and Chemical Coordination
Photosensitive compound in human eye is made up of
Pigmented layer in eye is called as
The retina makes up the inner layer and occupies only the posterior two-third of the eye. The retina consists of several layers of cells, including the rods and cones, the sensory cells, that respond to light. The tips of the rods and cones are embedded in a pigmented layer of cells on the back of the retina. The pigment helps prevent light from scattering in the back of the eye.
Photosensitive compound in human eye is made up of
Choose the correct statement.
Which of the following statements is correct?
In mammalian eye, the 'fovea' is the center of the visual field where
Match the terms in column I with those in column II. Column I Column II (a) Compound epithelium (i) Alimentary canal (b) Compound eye (ii) Cockroach (c) Septal nephridia (iii) Skin (d) Open circulatory system (iv) Mosaic vision (e) Typhlosole (v) Earthworm (f) Osteocytes (vi) Phallomere (g) Genitalia (vii) Bone
Briefly describe the structure of eye.
How does the eye regulate the amount of light that falls on the retina?
The region of the vertebrate eye, where the optic nerve passes out of the retina, is called as (a) Fovea (b) Iris (c) Blind spot (d) Optic chaisma
Rhodopsin is found in
Aperture of an eye can be changed by