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Light and Sight - lesson 6
Light and Sight - lesson 6
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1
The reflected light rays from an object enter the eye through.........
eye pupil.
tapetum lucidum.
eye socket.
blood vessels.
2
There is a inside your eye, that redirects the entered light rays.
black paper
white paper
lens
mirror
3
The right path of the light rays, that is reflected from an object on our eyes causing vision is..........
eye pupil - eye lens - back of the eye - brain.
eye pupil - brain - eye lens - back of the eye.
eye lens - eye pupil -brain-back of he eye.
brain-back of the eye - eye pupil - eye lens.
4
The eye lens redirects the entered light rays, where all redirected rays are collected in........... on the back of the eye.
four points
one point
three points
two points
5
As the eye lens can redirect the entered light rays, so this lens must be............
a reflecting material.
a transparent material.
an opaque material.
a mirror-like.
6
All of the following are correct about the function of the eye lens, except it the entered light rays...........
diffuses
focuses
concentrates
collects
7
If the eye lens is made up of an opaque material, then this eye...........
can see the far objects only.
can see the near objects only.
cannot see any objects around it.
can see both the far and the near objects.
8
The organism that has no eyes in the following species, is............
golden frog.
barbary fig.
bull shark.
tarsier monky.
9
It is a structural adaptation, that gives fishing cat an excellent night vision.
Eye socket
Eye lens
Tapetum lucidum
Eye pupil
10
It concentrates the light rays on a single point.
Eye pupil
Tapetum lucidum
Eye socket
Eye lens
11
It is the opening through which the light enters the eye.
Eye pupil
Eye lens
Eye socket
Tapetum lucidum
12
It is the place in which the eye can move inside as in human.
Eye pupil
Eye lens
Tapetum lucidum
Eye socket
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