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WorksheetsThe Eye
Total questions: 15
Worksheet time: 8mins
What type of receptors are found in the eye?
Mechanoreceptor
Chemoreceptor
Thermoreceptor
Photoreceptor
Sight is only possible due to the detection of what?
Light
Movement
Radiation
Darkness
Which structure of the eye controls the size of the pupil?
(a)
What is the proper term for the 'white of the eye'?
Cornea
Iris
Sclera
Retina
What is the proper term for the 'third eyelid'?
Nictitating membrane
Sclera
Fovea
Medulla
What is the name for the transparent cover over the pupil and iris where light is first focused?
(a)
The ciliary body contains muscles which change the shape of what?
Lens
Pupil
Iris
Retina
The retina contains which types of photoreceptors?
Rods
Cones
The fovea contains which types of photoreceptors?
Rods
Cones
Which photoreceptors are more common in the eyes of nocturnal animals?
(a)
Fruit-eating primates often have what type of colour vision?
Monochromatic
Dichromatic
Trichromatic
Tetrachromatic
Which of these animals are considered tetrachromatic?
Honeybees
Birds
Fish
Raccoons
Which animals typically have a higher proportion of binocular vision?
Predators
Prey
Arboreal
Fossorial
Prey animals have less binocular vision, but a greater what?
Field of vision
Sense of purpose
Zest for life
Visual acuity
Eyes that are large, forward-facing and allow for excellent depth-perception will generally belong to which type of animal?
(a)
