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Free download in PDF Eye General Knowledge(GK) Objective Type Questions & Answers for competitive exams. These Eye Quiz Questions with Answers are important for competitive exams like NEET, AIIMS, JIPMER, and other Board Exams.
(21)
Which of the following colors is least scattered by fog, dust of smoke?
[A]
Violet
[B]
Blue
[C]
Yellow
[D]
Red
(22)
The light sensitive cell present on retina and is sensitive to the intensity of light is:
[A]
Cones
[B]
Both rods and cones
[C]
None of these
[D]
Rods
(23)
The part of the eyes refracts light entering the eye from external objects?
[A]
Lens
[B]
Cornea
[C]
Iris
[D]
Pupil
(24)
Condition in which image is formed behind retina is called
[A]
Farsightedness
[B]
Nearsightedness
[C]
image defect
[D]
blind spotting
(25)
Greatest refraction of light is caused through
[A]
sclerotic coat
[B]
choroid coat
[C]
iris
[D]
pupil
(26)
Which of the following phenomena of light are involved in the formation of a rainbow?
[A]
Reflection, refraction and dispersion
[B]
Refraction, dispersion and total internal reflection
[C]
Refraction, dispersion and internal reflection
[D]
Dispersion, scattering and total internal reflection
Answer: Refraction, dispersion and internal reflection
(27)
The bluish colour of water in deep sea is due to
[A]
the presence of algae and other plants found in water
[B]
reflection of sky in water
[C]
scattering of light
[D]
absorption of light by the sea
Answer: scattering of light
(28)
Function of eyelids includes
[A]
dust particles are wiped off
[B]
tears are spread over eye
[C]
dust particles are cleared off
[D]
all of these
(29)
Twinkling of stars is due to atmospheric
[A]
dispersion of light by water droplets
[B]
refraction of light by different layers of varying refractive indices
[C]
scattering of light by dust particles
[D]
internal reflection of light by clouds
Answer: refraction of light by different layers of varying refractive indices
(30)
Internal reflection of light is prevented through the
[A]
sclerotic coat
[B]
choroid coat
[C]
iris
[D]
pupil
31
Condition in which image is formed in front of retina is called
[A]
Farsightedness
[B]
Defect of vision
[C]
nearsightedness
[D]
blind spotting
32
Runny nose and crying may be outcomes of
[A]
hay fever
[B]
downs syndrome
[C]
excess tears
[D]
stress or depression
33
The persistence of vision for human eye is
[A]
1/10th of a second
[B]
1/16th of a second
[C]
1/6th of the second
[D]
1/18th of a second
Answer: 1/16th of a second
34
Light enters eye through a transparent membrane known as
[A]
cornea
[B]
pupil
[C]
retina
[D]
iris
35
Variation of focal length to form a sharp image on retina is called
[A]
accommodation
[B]
aperture
[C]
retina control
[D]
sutter
36
Inability of eye to see objects clearly is called
[A]
clarity of image
[B]
Defect of vision
[C]
blur image
[D]
small image
37
In human eye, image is formed
[A]
behind retina
[B]
in front of retina
[C]
on retina
[D]
in between lens and retina
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