Macula lutea …a...

Fovea…b....

(1) Yellow spot, dark spot

(2) Yellow spot, pit

(3) Pit, yellow spot

(4) Dark spot, pit

Subtopic:  Basic Anatomy of Human Eye: 2 (OLD NCERT) | Basic Anatomy of Human Eye (OLD NCERT) |
 74%
From NCERT
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Fovea is not

(1) Central pit of yellow spot

(2) Thinned out portion of the retina

(3) Only cones are densely packed here

(4) Visual acuity is least here

Subtopic:  Basic Anatomy of Human Eye: 2 (OLD NCERT) | Basic Anatomy of Human Eye (OLD NCERT) |
 83%
From NCERT
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The greatest resolution or visual acuity is found in

(1) Fovea

(2) Yellow spot

(3) Blind spot

(4) Retina

Subtopic:  Basic Anatomy of Human Eye: 2 (OLD NCERT) | Basic Anatomy of Human Eye (OLD NCERT) |
 88%
From NCERT
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Aqueous humor is found in

(1) The space between cornea and the lens

(2) The space between choroid and lens

(3) The space between retina and lens

(4) The space between sclera and lens

Subtopic:  Basic Anatomy of Human Eye: 1 (OLD NCERT) | Basic Anatomy of Human Eye (OLD NCERT) |
 90%
From NCERT
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Vitreous humor is found in vitreous chamber

(1) Between lens and retina

(2) Between cornea and lens

(3) Between sclera and lens

(4) Between choroid and lens

Subtopic:  Basic Anatomy of Human Eye: 1 (OLD NCERT) | Basic Anatomy of Human Eye (OLD NCERT) |
 90%
From NCERT
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Aqueous humor is

(1) Thin watery fluid

(2) Thick watery fluid

(3) Transparent gel

(4) Translucent gel

Subtopic:  Basic Anatomy of Human Eye: 1 (OLD NCERT) | Basic Anatomy of Human Eye (OLD NCERT) |
 81%
From NCERT
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Vitreous humor is

(1) Thin watery fluid

(2) Thick watery fluid

(3) Transparent gel

(4) Translucent gel

Subtopic:  Basic Anatomy of Human Eye: 1 (OLD NCERT) | Basic Anatomy of Human Eye: 2 (OLD NCERT) | Basic Anatomy of Human Eye (OLD NCERT) |
 74%
From NCERT
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These are events of mechanism of vision. Arrange them in order.

a. Light rays are focussed on retina

b. Dissociation of the retinal and of opsin

c. Generation of impulses in rods and cones

d. Changes in the structure of the opsin

e. Generation of potential difference

f. Change in membrane permeability

g. Transmission of action potential by the optic nerves to the visual cortex area of the brain

h. Generation of action potential in photoreceptors

i. image formation in retina and recognition based on earlier memory and experience.

(1) a-c-b-d-f-e-h-g-i

(2) a-b-c-d-e-f-g-h-i

(3) b-c-d-e-f-i-g-a-h

(4) b-d-c-f-g-i-a-e-h

Subtopic:  Huma Eye: Accommodation (OLD NCERT) |
 65%
From NCERT
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Opsin….a…

Retinal…...b…..

(1) A protein, a ketone of vitamin A

(2) A glycoprotein, an aldehyde of vitamin A

(3) A protein, an aldehyde of vitamin A

(4) A glycoprotein, a ketone of vitamin

Subtopic:  Human Eye: Adaptation (OLD NCERT) |
 84%
From NCERT
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Which of the following sensory function/s is/are performed by ears?

(1) Hearing

(2) Maintenance of body balance

(3) Vision

(4) More than one options are correct

Subtopic:  Outer & Middle Ear (OLD NCERT) |
 92%
From NCERT
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