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Eye General Knowledge(GK) Quiz | Eye Objective Type Questions & Answers

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.
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(21) Which of the following colors is least scattered by fog, dust of smoke?
[A] Violet
[B] Blue
[C] Yellow
[D] Red
Answer: 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
Answer: Rods
(23) The part of the eyes refracts light entering the eye from external objects?
[A] Lens
[B] Cornea
[C] Iris
[D] Pupil
Answer: Cornea
(24) Condition in which image is formed behind retina is called
[A] Farsightedness
[B] Nearsightedness
[C] image defect
[D] blind spotting
Answer: Farsightedness
(25) Greatest refraction of light is caused through
[A] sclerotic coat
[B] choroid coat
[C] iris
[D] pupil
Answer: sclerotic coat
(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
Answer: 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
Answer: choroid coat
31 Condition in which image is formed in front of retina is called
[A] Farsightedness
[B] Defect of vision
[C] nearsightedness
[D] blind spotting
Answer: Nearsightedness
32 Runny nose and crying may be outcomes of
[A] hay fever
[B] downs syndrome
[C] excess tears
[D] stress or depression
Answer: Excess tears
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
Answer: Cornea
35 Variation of focal length to form a sharp image on retina is called
[A] accommodation
[B] aperture
[C] retina control
[D] sutter
Answer: Accommodation
36 Inability of eye to see objects clearly is called
[A] clarity of image
[B] Defect of vision
[C] blur image
[D] small image
Answer: Defect of vision
37 In human eye, image is formed
[A] behind retina
[B] in front of retina
[C] on retina
[D] in between lens and retina
Answer: On retina
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