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Light and Sight - lesson 3
Light and Sight - lesson 3
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1
The energy which must present to make our eyes able to see the objects around us, is.......... energy.
magnetic
electric
sound
light
2
Fishing cat can see at night, as follows..........
light falls on the eyes, then reflected to the objects.
sound falls on the eyes, then reflected to the objects.
sound falls on the objects, then reflected into the eyes.
light falls on the objects, then reflected into the eyes.
3
Both light energy and sound energy..........
the sound energy can be seen, while light energy cannot be seen.
cannot be seen.
can be seen.
the light energy can be seen, while sound energy cannot be seen.
4
Our eyes send.......... messages to the brain, where the information is processed.
hearing
light impulses
written
electrical impulses
5
All the following living organisms have tapetum lucidum, except...........
dogs.
fishing cats.
horses.
snakes.
6
The function of tapetum lucidum, looks like the function of..........
black paper.
radio.
white paper.
night vision goggles.
7
In the nocturnal animals, the tapetum lucidum is a life-saving adaptation because it helps them to........... at night.
sleep
hunt a prey and avoid to be a prey
keep their body warm
breathe
8
through which sensory receptors of the eyes send messages to the brain.
Pupil
Brain
Tapetum lucidum
Nerves
9
through which the light waves entre the eyes.
Brain
Pupil
Nerves
Tapetum lucidum
10
through which the light rays are reflected, so eyes of nocturnal animals are glowing at night.
Brain
Nerves
Tapetum lucidum
Pupil
11
through which the collected information from eyes are processed.
Tapetum lucidum
Nerves
Pupil
Brain
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