WorksheetsHUMAN EYE
Total questions: 20
Worksheet time: 10mins
What is letter I
What is a cataract?
Shortening of the eyeball
Cornea has too little curvature
Double vision
Clouding of the lens
Light enters the eye through a thin membrane called the
Iris
Pupil
Retina
Cornea
Which of the following controls and regulates the amount of light entering the eye
Iris
Pupil
Retina
Corena
What is the near point of a normal human eye?
25 cm
Infinity
-25 cm
25m
How can hypermetropia be corrected?
By using concave lens
By using convex lens
By using bifocal lens
By using glass slab
How can near sightedness be corrected?
Using concave lens
Using convex lens
Using bifocal lens
By using plane glass
Q. This part of the eye carries the message from your eye to the part of your brain that controls vision.
Cornea
Optic Nerve
Retina
Pupil
Q. Where is rods and cones are located in our eyes?
Retina
Nervous
Cornea
Optic nerve
The muscular diaphragm that controls the size of the pupil is ---------------
cornea
ciliary muscles
Iris
retina
Having two eyes facilitates in
A : Increasing the field of view
B : Bringing three-dimensional view
C : Developing the concept of distance/ size
The correct option is/are
A only
A and B only
B only
A, B and C
The black opening between the aqueous humour and the lens is called --------------
retina
iris
cornea
pupil
Near and far points of a young person normal eye respectively are---------
0 and infinity
0 and 25 cm
25 cm and infinity
25 cm and 150 cm.
The defect of vision in which the person is able to see distant object distinctly but cannot see nearby objects clearly is called --------------
Long-sightedness
Far-sightedness
Hypermetropia
All above
The ability of eye lens to adjust its focal length to form a sharp image of the object at varying distances on the retina is called -------------
Power of observation of the eye
Power of adjustment of the eye
Power of accommodation of the eye
Power of enabling of the eye
The image formed on the retina of the human eye is ----------------
virtual and inverted
real and inverted
real and erect
virtual and erect
A person cannot see distinctly objects kept beyond 2 m. This defect can be corrected by using a lens of power
+0.5D
-0.5D
+0.2D
-0.2D
