Pellagra is the disease of skin due to the deficiency of

Melanin is the pigment present in

The term ‘gustation’ refers to what sense?

The term “Olfaction” explicitly refers to which sense?

The Fovea is the part of retina that contain photoreceptors called

What structure provides the boundary between the outer and middle ear?

The small bony chamber of the ear which coils about two and half turns is known as

Sensitive pigment layer of the eye is

Cones in the eye are sensitive to the following colours…………………

Retina is most sensitive at ………………