(a) Myopia results when the eye ball is lengthened from front to back or the lens is too curved. Hyperopia results from either too shortening of the eyeball from front to back or when the lens is too flat.
(b) Rods are sensitive to dim light but do not respond to colour. cones are sensitive to bright light and are responsible for colour vision.
(c) cochlea is responsible for hearing; it can perceive the senses of hearing.
(d) Semicircular canals are responsible for perceiving the senses to maintain the body balance.
(e) Rod cells contain rhodopsin whereas the cone cells contain iodopsin.
(f) Dynamic balance is when the body is in motion whereas static balance is positional balance with respect to gravity.
