Neural Control ...

Following is the diagram of an eye. Match the labelled parts (A - J) with their functions given below and select the correct option.

(i) Carries nerve signals to the brain
(ii) Regulates the size of the pupil to let more or less light into the eye
(iii) Changes the shape of the lens
(iv) Photoreceptors are concentrated at this point

Match column I with column II and select the correct option from the codes given below

The part of the ear where sound is transduced is

The structures in a human body that assist in body balance are located in the

Bony labyrinth is filled with a fluid called

Eustachian tube is a passage connecting the

A small passage that permits continuity between scala vestibuli and scala tympani is ___________.

In the chemistry of vision in mammals, the photosensitive substance is called

Cornea transplant in humans is almost never rejected. This is because

The black pigment in the eye, which reduces the internal reflection, is located in

Examine the diagram of the two cell types A and B given below and select the correct option

The balancing organ of ear is 

The shape of eye lens is changed by

Protein found in eye lens is

Which of the following cells are associated with identification of colours in bright light?

The size of pupil is controlled by the

Cornea is covered externally by a thin transparent membrane which is called

The gelatinous membrane covering the sensory hair cells of the ear is known as

Retina of eye is analogous to which part of camera?

The point in eye of mammals from which optic nerves and blood vessels leave the eye ball is called

Internal ear is filled with

The fluid filled in the space between lens and cornea is termed as

Select the option that correctly matches the structures with its location and function.

The innermost layer of the human eye

Retina is most sensitive at