Neural Control and Coordination- Quiz 12

The ear of human is enclosed in –

• Mastoid bone

• Ethmoid Bone

• Frontal and parietal bone

• Temporal bone

The waxy substance secreting sebaceous glands present in skin of external auditory meatus are –

• Zeis gland

• Harderian gland

• Meibomian gland

• Ceruminous gland

Which of the following is correct about ear drum (tympanic membrane)?

• It is composed of connective tissues covered with skin inside and with mucous membrane outside

• It consists of connective tissues covered with skin outside and mucus membrane inside

• It consists of proteins-lipids-proteins only

• It consists of hyaline cartilage

Eustachian tube connects –

• Middle ear with pharynx

• Middle ear with inner ear

• Middle ear with external ear

• Left auricle with left ventricle

The blind spot is the region where –

• Image is dim

• Image is formed in strong light

• Optic disc is present

• Image is formed in the dark

Anatomically, human ear can be divided into ___________ major sections.

• 2

• 3

• 4

• 6

Which cells (layer) of retina faces the lens

• Ganglion cells

• Photoreceptor cells

• Bipolar cells

• Pigmented cells

Twilight vision is also called

• Scotopic vision and is the function of rods

• Scotopic vision and is the function of cones

• Photopic vision and is the function of rods

• Photopic vision and is the function of cones

The thinned-out portion of retina where only cones are densely packed is, called

• Blind spot

• Corpus luteum

• Macula lutea

• Fovea

The cochlea of ear contains

• Perilymph

• Aqueous humour

• Perilymph and endolymph

• Only endolymph