Given below are two sets (a) and (b) of five parts in each. Rewrite them in correct sequence. (a) Cochlea, tympanum, auditory canal, ear ossicles, oval window (b) Conjunctiva, retina, cornea, optic nerve, lens.

(a) Auditory canal, tympanum, ear ossicles, oval window, cochlea (b) Conjunctiva, cornea, lens, retina, optic nerve.

State whether the following statements are true (T) or false (F). If false, correct them by changing any one single word in each.
(a) Deafness is caused due to rupturing of the pinna.
(b) Semicircular canals are concerned with static (positional) balance.

Structure	Function
(1) …………………………	(i) Transfers impulse from inner ear to brain
(2) ……………………………	(ii) Helps to change the focal length of the eye lens
(3) ……………………………	(iii) Dynamic equilibrium