GENERAL INSTRUCTIONS (Please read the following instructions very carefully)
1. Question marks are mentioned with each Question.
2. Please write neat and clean hand-writing on Answer Sheet. Use Margin on right side and left side of Answer Sheet.
3. Do not refresh or back page.
4. Do not click the button Submit Test before completing the paper on Answer Sheet.
5. This is a ONE TIME attempt test. Once started, it cannot be reversed or attempted again.
6. Take photo of all the Sheets and make single pdf file.
1
The blind spot refers to the area where _____________.
Cone cells are absent
Rod cells are absent
Both (A) and (B)
None of these
2
A person suffering from myopia and hypermetropia requires the use of _______________.
Concave lens
Convex lens
Bifocal lens
Cylindrical lens
3
Which one of the following materials cannot be used to make a lens?
Water
Glass
Plastic
Clay
4
Sun appears to set late early because of _____________________.
Atmospheric Reflection
Atmospheric Refraction
Dispersion
5
The nature of image formed on the retina of human eye is __________________.
Virtual and erect
Virtual and inverted
Real and erect
Real and inverted
6
Which of the following are correct :
(a) In farsightedness, people cannot see far objects clearly, although they can see nearby objects clearly.
(b) In farsightedness, people cannot see nearby objects clearly, although they can see distant objects clearly.
Only (a) is correct.
Only (b) is correct.
Both (a) and (b) are correct.
7
The presistence of the eye is only for _____________________
1/10 th of a second
1/12 th of a second
1/16 th of a second
1/20 th of a second
8
(a) Far-sightedness is also known as long- sightedness, hypermetropia or hyperopia.
None of these.
9
In the human eye, the opaque diaphragm behind the cornea is called the _____________.
Choroids
Iris
Retina
Lens
10
Cylindrical lenses are used to cure ______________.
Myopia
Astigmatism
Presbyopia
Long sightedness
11
Long-sightedness is caused by the eyeball being too short. It can be corrected by the use of a ___________
Convergent lens
Plane mirror
Divergent lens
N-one of these
12
(a) The farthest point up to which the eye can see properly is called the far point of the eye.
(b) The closest point at which an object can be placed and seen clearly is called the near point of the eye.
13
Cataract is a condition of eye when ______________.
Eye sight becomes cloudy
Eye lens becomes cloudy
There is a loss of vision
All of the above
14
The screen behind the eye lens is called the _________________.
Ciliary muscle
Pupil
15
The sun looks oval at sunrise and sunset.Which of the following statement justify it.
The rays from the lower regions of the sun travel a greater distance through the atmosphere than those from the upper regions. So, they bend more.
The image of the lower region gets shifted upwards more than that of the upper region.
Both A and B