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