Medical Quiz

Human Eye Quiz


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This part of the eye carries the message from your eye to the part of your brain that controls vision.

A. cornea

B. lens

C. optic nerve

D. retina


What type of lens is used in the shown instrument?

A. concave lens

B. convex lens

C. reflection lens

D. reduction lens


The person who is suffering from _____________ requires bi-focal lens.

A. (a) Hypermetropia

B. (b) Myopia

C. both option(a) and (b)

D. none of these


When light rays enter the eye, most of the refraction occurs at the

A. crystalline lens

B. outer surface of the cornea

C. iris

D. pupil


The part of your eye that gives it its color. It is a muscle that controls the size of your pupil.

A. cornea

B. lens

C. pupi

D. iris


A dark muscular membrane which controls size of pupil

A. eye

B. iris

C. cornea

D. retina


Following is far-sightedness

A. Myopia

B. Hypermetropia

C. Presbyopia

D. All of the above


Which parts of your eye are transparent?

A. retina

B. optic nerve

C. cornea and lens

D. iris


minimum focal length of eye is…………………..

A. 2.25cm

B. 2.27cm

C. 2.25mm

D. 2.27mm


What type of lens creates the image seen in the eyeglasses?

A. convex

B. concave

C. reflection

D. plane


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


Myopia may arise due to

A. (a)excessive curvature of the eye lens

B. (b)elongation of the eyeball

C. both (a) and (b)

D. none of these


Which of the following statement is correct?

A. A person with myopia can see distant objects clearly.

B. A person with hypermetropia can see nearby objects clearly.

C. A person with myopia can see nearby objects clearly.

D. A person with hypermetropia cannot see distant objects clearly.


A student traces the path of a ray through a glass prism for four different values of angle of incidence. On analysing the diagrams he is likely to conclude that the emergent ray

A. is always parallel to the incident ray.

B. is always perpendicular to the incident ray.

C. is always parallel to the refracted ray.

D. always bends at an angle to the direction of incident ray.


The lens of your eye is convex. Because of this, what happens to light as it passes through the lens?

A. Light is absorbed.

B. Light is reflected.

C. Light is refracted.

D. Light is transmitted.


A student sitting on the last bench can read the letters written on the blackboard but is not able to read / the letters written in his textbook. Which of the following statements is correct?

A. The near point of his eyes has receded away.

B. The near point of his eyes has come closer to him.

C. The far point of his eyes has come closer to him.

D. The far point of his eyes has receded away.


Reason behind advance sunrise and delayed sunset

A. atmospheric refraction

B. total internal reflection

C. dispersion

D. reflection


The splitting of white light into its component colours is called

A. refraction

B. reflection

C. dispersion

D. tyndall effect


Crystalline lens of people at old age becomes milky and cloudy. This condition is called

A. myopia

B. lever

C. cataract

D. presbyopia


In dim light, your pupil will be

A. larger

B. smaller


The first part of the eye that light hits.

A. lens

B. cornea

C. pupil

D. retina


The focal length of the eye lens increases when eye muscles

A. are relaxed and lens becomes thinner

B. contract and lens becomes thicker

C. are relaxed and lens becomes thicker

D. contract and lens becomes thinner


phenomena observed in formation of rainbow is……………………

A. dispersion,relection

B. dispersion,refraction,reflection

C. dispersion,refraction,internal reflection

D. dispersion,internal reflection


Least distance of distinct vision for normal eye is

A. 25 cm

B. 50 cm

C. 75 cm

D. infinity


In bright light, your pupil will be

A. larger

B. smaller




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