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Human Eye mcq for NEET Biology. We covered all the Human Eye mcq for NEET Biology in this post for free so that you can practice well for the exam.
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Human Eye mcq for NEET Biology for Students
Why is it hard to see clearly in a dim room right after leaving a bright place?
a) The iris widens the eye lens to reduce Light entry.
b) The iris narrows the pupil to reduce incoming Light.
c) The vitreous humour expands the pupil to reduce Light entry.
d) The cornea contracts the pupil to limit Light entry.
Option a – The iris widens the eye lens to reduce Light entry.
Myopia is another term for
a) Near-sightedness
b) Astigmatism
c) Far-sightedness
d) Presbyopia
Option a – Near-sightedness
Which dark muscular part lies directly behind the cornea?
a) Lens
b) Pupil
c) Retina
d) Iris
Option d – Iris
Individuals who need bifocal glasses usually suffer from
a) Hypermetropia
b) Myopia
c) Cataract
d) Presbyopia
Option d – Presbyopia
Which eye structure transforms images into nerve signals?
a) Vitreous humour
b) Optic nerve
c) Iris
d) Retina
Option d – Retina
What regulates and controls the amount of Light entering the eye?
a) Cornea
b) Iris
c) Retina
d) Pupil
Option b – Iris
Through which transparent outer layer do Light rays first pass into the eye?
a) Lens
b) Iris
c) Cornea
d) Optic nerve
Option c – Cornea
Dentists use which type of mirror to view enlarged images of teeth?
a) Zigzag mirror
b) Plane mirror
c) Convex mirror
d) Concave mirror
Option d – Concave mirror
Which lens corrects hypermetropia (farsightedness)?
a) Bifocal lens
b) Concave lens
c) Progressive lens
d) Convex lens
Option d – Convex lens
The pressure inside the eye is measured by which device?
a) Tonometer
b) Machmeter
c) Odometer
d) Viscometer
Option a – Tonometer
In a bifocal lens, which part aids near vision?
a) Lower portion with concave lens
b) Upper portion with concave lens
c) Lower portion with convex lens
d) Upper portion with convex lens
Option c – Lower portion with convex lens
The human eyeball is generally shaped like a
a) Cylinder
b) Oval
c) Sphere
d) Circle
Option c – Sphere
Which structure adjusts the size of the pupil?
a) Cornea
b) Vitreous humour
c) Ciliary muscles
d) Iris
Option d – Iris
Virtual reality headsets primarily target which sense?
a) Taste
b) Touch
c) Vision
d) Smell
Option c – Vision
For a young adult with normal eyesight, the minimum clear-vision distance is
a) 20 m
b) 25 cm
c) 25 m
d) 20 cm
Option b – 25 cm
The separation of white Light into different colours is called
a) Reflection
b) Refraction
c) Dispersion
d) Scattering
Option c – Dispersion
Gold and copper absorb which colour of Light, giving them a yellow tint?
a) Blue
b) Green
c) Orange
d) Red
Option a – Blue
Besides red and green, which other sunlight wavelength is absorbed by ocean water?
a) Yellow
b) Blue
c) Orange
d) Violet
Option a – Blue
The sky appears blue mainly because of
a) Reflection of Light
b) Dispersion of light
c) Refraction of light
d) Scattering of light
Option d – Scattering of light
Which effect describes scattering of light by molecules excited to vibrational energy?
a) Maxwell Effect
b) Huygens Effect
c) Rayleigh Effect
d) Raman Effect
Option d – Raman Effect
What is the wavelength range of visible light?
a) 1 to 2 µm
b) 0.7 to 0.9 µm
c) 0.4 to 0.7 µm
d) 0.2 to 0.3 µm
Option c – 0.4 to 0.7 µm
The photoelectric effect proves the
a) Particle Nature of Light
b) Crystalline Nature of Light
d) Dual Nature of Light
Option a – Particle Nature of Light
Which pioneer first transmitted signals using radio waves over kilometres in the 1890s?
a) Paul Langevin
b) Michael Faraday
c) Guglielmo Marconi
d) Pierre Weiss
Option c – Guglielmo Marconi
In which year did Christian Doppler discover the Doppler effect?
a) 1846
b) 1844
c) 1840
d) 1842
Option d – 1842
The twinkling of a star occurs because of
a) reflection of starlight by the Atmosphere
b) refraction of starlight in the Atmosphere
c) the star’s position changing constantly
d) vibration of starlight
Option b – refraction of starlight in the Atmosphere
A person can see close objects clearly but has difficulty viewing distant objects. Possible causes are 1) excessive curvature of the eye lens 2) the eye-ball being too small 3) the focal length of the eye lens being too large 4) elongation of the eye-ball. Select the correct option:
a) 1 only
b) 2 and 4 only
c) 1 and 4 only
d) 1 and 3 only
Option c – 1 and 4 only
X-rays are used for 1) checking welded joints in machine parts 2) examining crystal structures. Select the correct option:
a) 1 only
b) 2 only
c) both 1 and 2
d) neither 1 nor 2
Option c – both 1 and 2
Regarding individuals with presbyopia, which statements are accurate? 1) They cannot perceive colours. 2) It usually develops with age. 3) They use either bifocal lenses containing both concave and convex lenses or progressive lenses. Select the correct option:
a) 2 only
b) 1 only
c) 2 and 3
d) 1 and 3
Option c – 2 and 3
Choose the correct sequence of wavelengths from longest to shortest
a) FM radio > AM radio > Microwaves > Infrared > Visible light
b) AM radio > FM radio > Microwaves > Infrared > Visible light
c) Microwaves > AM radio > FM radio > Infrared > Visible light
d) AM radio > FM radio > Infrared > Visible light > Microwaves
Option b – AM radio > FM radio > Microwaves > Infrared > Visible light
Which statement best explains the Sun’s colour in the sky?
a) At sunrise or sunset, sunlight travels farther through the Atmosphere and higher-frequency rays scatter away, giving a red colour.
b) At sunrise or sunset, sunlight travels the least distance and high-frequency rays scatter away, causing redness.
c) At noon, sunlight travels the least distance and less light scatters, making the Sun appear reddish.
d) At noon, sunlight travels the least distance and more light scatters, making the Sun appear reddish.
Option a – At sunrise or sunset, sunlight travels farther through the Atmosphere and higher-frequency rays scatter away, giving a red colour.
A rainbow seen after rainfall is due to
a) Diffraction and refraction of light within water droplets
b) total internal reflection of light in water droplets alone
c) refraction of light within water droplets only
d) both total internal reflection and refraction of light in water droplets
Option d – both total internal reflection and refraction of light in water droplets
On a hot day, shimmering wavy lines near the ground are caused by
a) dispersion of light
b) refraction of light
c) reflection of light
d) total internal reflection of light
Option b – refraction of light
The colour of visible light least absorbed by green plants is
a) Violet
b) Red
c) Yellow
d) Green
Option d – Green
The refractive index of flint glass is
a) the same for all wavelengths of white light
b) greater for red light than for violet light
c) greater for violet light than for red light
d) highest for green and yellow light and lowest for violet and red light
Option c – greater for violet light than for red light
The main component of sunlight responsible for skin cancer is
a) Ultraviolet radiation
b) X-rays
c) Infrared radiation
d) Visible light
Option a – Ultraviolet radiation
Which statement about X-rays is incorrect?
a) X-rays are longitudinal waves.
b) X-rays are transverse waves.
c) X-rays are electromagnetic in nature.
d) X-rays can travel without a medium.
Option a – X-rays are longitudinal waves.
The experiment that shows the wave property of electromagnetic radiation is
a) Black-body radiation
b) Photoelectric effect
c) Rutherford’s scattering experiment
d) Diffraction of light
Option d – Diffraction of light
The correct ascending order of wavelength in the electromagnetic Spectrum is
a) X-rays → Gamma rays → UV → Infrared → Visible → Microwaves → Radio/TV waves
b) Gamma rays → X-rays → UV → Infrared → Visible → Microwaves → Radio/TV waves
c) Gamma rays → X-rays → UV → Visible → Infrared → Microwaves → Radio/TV waves
d) UV → Gamma rays → X-rays → Visible → Infrared → Microwaves → Radio/TV waves
Option c – Gamma rays → X-rays → UV → Visible → Infrared → Microwaves → Radio/TV waves
Arrange the following radiations in order of decreasing frequency.
a) Infrared → Microwaves → Radio waves → X-rays
b) Radio waves → X-rays → Microwaves → Infrared
c) X-rays → Infrared → Microwaves → Radio waves
d) Infrared → Microwaves → X-rays → Radio waves
Option c – X-rays → Infrared → Microwaves → Radio waves
Identify the radiation range with frequencies from about 300 GHz down to 3 kHz, or wavelengths from roughly 1 mm up to 100 km.
a) Microwaves
b) Infrared waves
c) Ultraviolet rays
d) Radio waves
Option d – Radio waves
The electromagnetic Spectrum represents the entire range of light, divided by wavelength and arranged by rising energy and frequency. How many main regions does it include?
a) 6
b) 7
c) 5
d) 8
Option c – 5
Which imaging method uses a strong magnet together with radio waves to produce internal body images?
a) Computed Tomography
b) Fluoroscopy
c) Positron Emission Tomography
d) Magnetic Resonance Imaging
Option d – Magnetic Resonance Imaging
________ are commonly referred to as Heat radiation.
a) X-rays
b) Light waves
c) Infrared waves
d) Gamma rays
Option c – Infrared waves
Which high-frequency radiation, formed during nuclear reactions and released by radioactive nuclei, is used to destroy cancer cells?
a) X-rays
b) Gamma rays
c) Ultraviolet waves
d) Light waves
Option b – Gamma rays
Which scientist showed that any Periodic signal can be expressed as a sum of sine and cosine waves?
a) Louis de Broglie
b) Jean Baptiste Joseph Fourier
c) Joseph-Louis Lagrange
d) Ernest Walton
Option b – Jean Baptiste Joseph Fourier
Who established in 1911 the relationship between the half-life of alpha decay and the energy of emitted alpha particles?
a) Fermi and Meitner
b) Geiger and Nuttall
c) Chadwick and Lawrence
d) Soddy and Aston
Option b – Geiger and Nuttall
In 1928, who discovered that a portion of light scattered in a liquid changes color when a colored beam enters?
a) Lord Rayleigh
b) C. V. Raman
c) S. N. Bose
d) John Tyndall
Option b – C. V. Raman
Which physicist earned the 1918 Nobel Prize for identifying the concept of “energy quanta”?
a) Werner Heisenberg
b) Louis de Broglie
c) Max Karl Ernst Ludwig Planck
d) James Chadwick
Option c – Max Karl Ernst Ludwig Planck
Which device do meteorologists use to measure incoming Solar radiation on a flat surface?
a) Hygrometer
b) Barometer
c) Pyranometer
d) Anemometer
Option c – Pyranometer
Choose the standard unit used to express the wavelength of light.
a) Faraday
b) Candela
c) Dyne
d) Angstrom
Option d – Angstrom
Name the thermionic electron tube that generates and amplifies signals at microwave frequencies.
a) Neutrino
b) Beam tetrodes
c) Klystron
d) Thyratron
Option c – Klystron
Which electromagnetic radiation was first identified by Johann Wilhelm Ritter in 1801?
a) Ultraviolet rays
b) X-rays
c) Infrared rays
d) Gamma rays
Option a – Ultraviolet rays
In 1887, whose theoretical work guided Heinrich Hertz in experiments that produced radio waves?
a) James Clerk Maxwell
b) Thomas Young
c) Christiaan Huygens
d) Christian Doppler
Option a – James Clerk Maxwell
Who proposed that light consists of waves moving perpendicular to their direction of travel?
a) Kepler
b) Newton
c) Pauli
d) Huygens
Option d – Huygens
Who validated Maxwell’s predictions by discovering radio waves and became the first to send and receive them in 1886?
a) William Hopkins
b) Heinrich Hertz
c) Michael Faraday
d) Guglielmo Marconi
Option b – Heinrich Hertz
Which statement best describes a person with myopia (short-sightedness)?
a) Near objects appear blurred but distant ones are clear; corrected with a convex lens
b) Near objects are clear while distant ones are blurred; corrected with a concave lens
c) Near objects appear blurred but distant ones are clear; corrected with a concave lens
d) Near objects are clear while distant ones are blurred; corrected with a convex lens
Option b – Near objects are clear while distant ones are blurred; corrected with a concave lens
Approximate wavelength of violet light in air is:
a) 0.7 µm
b) 0.6 µm
c) 0.4 µm
d) 0.5 µm
Option c – 0.4 µm
A compound microscope may consist of:
a) Two convex lenses
b) A convex and a concave lens
c) Two concave lenses
d) A convex lens and a convex mirror
Option a – Two convex lenses
The optical effect responsible for the sky’s blue color is:
a) Dispersion
b) Reflection
c) Refraction
d) Scattering
Option d – Scattering
Which radiation type has the greatest energy per photon?
a) X-ray
b) Ultraviolet ray
c) Visible ray
d) Infrared ray
Option a – X-ray
Which of the following components is not found in a compound microscope?
a) Mirror
b) Stage
c) Retina
d) Clip
Option c – Retina
When white light travels through air and enters a glass prism, it separates into a Spectrum of colors. Which color experiences the greatest deviation?
a) Green
b) Yellow
c) Red
d) Orange
Option a – Green
Which of the following are the primary colors of light?
a) Indigo, Violet, and Green
b) Blue, Red, and Green
c) Violet, Red, and Yellow
d) Yellow, Red, and Green
Option b – Blue, Red, and Green
A glass prism separates white light into different colors. Which statement is correct?
a) Red light bends the most due to reflection.
b) Violet light bends the most due to refraction.
c) Red light bends the most due to refraction.
d) Violet light bends the most due to reflection.
Option d – Violet light bends the most due to reflection.
When light is scattered by molecules and its frequency changes, the phenomenon is called: ( Human Eye mcq for NEET Biology )
a) Raman effect
b) Rayleigh scattering
c) Rutherford scattering
d) Photoelectric effect
Option a – Raman effect
Mirage is an example of: ( Human Eye mcq for NEET Biology )
a) Only dispersion of light
b) Only reflection of light
c) Only total internal reflection of light
d) Both refraction and total internal reflection of light
Option d – Both refraction and total internal reflection of light
The cornea of the human eye: ( Human Eye mcq for NEET Biology )
a) Serves as a light-sensitive screen
b) Works as a muscular diaphragm
c) Contains blood vessels
d) Is made up of proteins and cells
Option d – Is made up of proteins and cells
Myopia is a vision defect in which the image of a: ( Human Eye mcq for NEET Biology )
a) Nearby object forms beyond the retina
b) Nearby object forms before the retina
c) Distant object forms before the retina
d) Distant object forms beyond the retina
Option c – Distant object forms before the retina
The Tyndall effect refers to: ( Human Eye mcq for NEET Biology )
a) Scattering of light by colloidal particles
b) Refraction of light by colloidal particles
c) Dispersion of light by dust particles
d) Refraction of light by dust particles
Option a – Scattering of light by colloidal particles
Regarding the formation of a primary rainbow by water droplets, which statements are correct? 1. It involves refraction and one internal reflection of sunlight. 2. It involves only refraction of sunlight. 3. It forms as the inner bow. 4. It may involve more than one internal reflection.
a) 1 only
b) 1 and 3
c) 2 and 3
d) 3 and 4
Option b – 1 and 3
The ability of the human eye to see objects at different distances and brightness levels is due to: ( Human Eye mcq for NEET Biology )
a) Far-sightedness
b) Near-sightedness
c) Both far- and near-sightedness
d) Accommodation of the eye
Option d – Accommodation of the eye
Which statement about X-rays is incorrect? ( Human Eye mcq for NEET Biology )
a) They have wavelengths around 1 Å.
b) They can be generated by striking a metal target with high-energy electrons.
c) Their short wavelengths enable their use in radar systems.
d) They are used to treat certain forms of cancer.
Option c – Their short wavelengths enable their use in radar systems.
In the dispersion of white light by a glass prism, which statement is accurate? ( Human Eye MCQ for NEET Biology )
a) Red light bends the most because it moves fastest in the prism.
b) Blue light bends the most because it moves fastest in the prism.
c) Red light bends the most because it moves slowest in the prism.
d) Blue light bends the most because it moves slowest in the prism.
Option d – Blue light bends the most because it moves slowest in the prism.
Which telescope uses only mirrors? ( Human Eye MCQ for NEET Biology )
a) Galilean telescope
b) Keplerian telescope
c) Newtonian telescope
d) Schmidt telescope
Option c – Newtonian telescope
Which optical phenomenon proves that light is a transverse wave? ( Human Eye MCQ for NEET Biology )
a) Refraction
b) Diffraction
c) Interference
d) Polarization
Option d – Polarization
The lens of the human eye functions like a camera lens with: ( Human Eye MCQ for NEET Biology )
a) Fixed focal length and fixed aperture
b) Variable focal length and fixed aperture
c) Fixed focal length and variable aperture
d) Variable focal length and variable aperture
Option b – Variable focal length and fixed aperture
The point in the human eye lacking photoreceptor cells is called: ( Human Eye MCQ for NEET Biology )
a) Fovea
b) Blind spot
c) Dark spot
d) Orbit
Option b – Blind spot
Myopia is also known as: ( Human Eye MCQ for NEET Biology )
a) Far-sightedness
b) Near-sightedness
c) Cataract
d) Presbyopia
Option b – Near-sightedness
We covered all the Human Eye MCQ for NEET Biology above in this post for free so that you can practice well for the exam.
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