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Retina

The region of...

Question

The region of the vertebrate eye, where the optic nerve passes out of the retina,

is called the

(a) fovea

(b) iris

(c) blind spot

(d) optic chaisma

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Solution

Answer: (c) Blind spot

Blind spot is the part where the optic nerve passes out of the retina. Photoreceptors are absent from this region.

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Similar questions

Q. The region of the vertebrate eye, where the optic nerve passes out of the retina, is called the (a) fovea (b) iris (c) blind spot (d) optic chiasma.

What is the function of the following -

a - pupil

b- cornea

c- retina

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e - eye lids

d- optic nerve

d- siliary muscles

The change in converging power of an eye-lens is caused by the action of:

(a) iris

(b) ciliary muscles

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Q. Match the terms to these definitions.

Colour vision , Afferent nerves, Efferent nerves, Fovea centralis , Impulse macula lutea, Myopia, Neuron reflex, Statoreceptor, Visual acuity, Meninges, Blind spot

.......... place on the retina of the eye that is insensitive to light, where the optic nerve passes through the eye balls inner surface.

Q. (a) Draw a simple diagram of the human eye and label clearly the cornea, iris, pupil, ciliary muscles, eye-lens, retina, optic nerve and blind spot.
(b) Describe the working of the human eye with the help of the above diagram.
(c) How does the eye adjust itself to deal with light of varying intensity ?

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