Froggy Jumps Eye & Ear Essentials QuizOnline version Test your knowledge of the eye, ear, and senses. by Telis Lee 1 Which part of the eye contains rods and cones? a Retina b Cornea c Lens 2 What structure connects the middle ear to the throat? a Oval window b Cochlear duct c Eustachian tube 3 Which nerve carries visual impulses from the retina to the brain? a Oculomotor nerve b Optic nerve c Trigeminal nerve 4 What is the main function of the ossicles in the middle ear? a Balance pressure changes b Transmit and amplify vibrations c Absorb sound 5 Which receptors detect chemicals in solution for smell? a Chemoreceptors b Mechanoreceptors c Photoreceptors 6 Where are olfactory receptors located? a Tip of the tongue b Inside the ear canal c Roof of the nasal cavity 7 What is the main cell type in the epidermis? a Keratinocytes b Langerhans cells c Melanocytes 8 Merkel cells serve as receptors for what sense? a Touch b Smell c Hearing 9 What fluid fills the membranous labyrinth of the inner ear? a Cerebrospinal fluid b Perilymph c Endolymph 10 Which retinal region has the highest visual acuity and cones? a Fovea centralis b Optic disc c Macula lutea
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