Question

Match the following and select the correct option.
$\begin{array}{cccc}& \text{Column I}& & \text{Column II}\\ \left(a\right)& \text{Organ of Corti}& \left(i\right)& \text{Connects middle ear and pharynx}\\ \left(b\right)& \text{Cochlea}& \left(ii\right)& \text{Coiled part of the labyrinth}\\ \left(c\right)& \text{Eustachian tube}& \left(iii\right)& \text{Attached to the oval window}\\ \left(d\right)& \text{Stapes}& \left(iv\right)& \text{Located on the basilar membrane}\end{array}$

• A. (a)-(iv), (b)-(ii), (c)-(i), (d)-(iii)
• B. (a)-(iii), (b)-(i), (c)-(iv), (d)-(ii)
• C. (a)-(i), (b)-(ii), (c)-(iv), (d)-(iii)
• D. (a)-(ii), (b)-(iii), (c)-(i), (d)-(iv)

Answer 1

The correct option is A (a)-(iv), (b)-(ii), (c)-(i), (d)-(iii)

(a) Organ of corti is a structure located on the basilar membrane which contains hair cells that act as auditory receptors.
(b) Cochlea is the coiled portion of the labyrinth (fluid filled inner ear).
(c) Eustachian tube connects the middle ear cavity with the pharynx and helps in equalising pressure of ear drums.
(d) Stapes is one of the ossicles of the middle ear and is attached to the oval window of cochlea.