Animal Physiology: Locomotion, Senses, Nervous and Chemical Coordination
Photosensitive compound in human eye is made up of
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Single Choice
In frog, eyelids are
AFunctional
Correct Answer
BNon-functional
CAbsent
DNone of the above
Solution
Frogs use their regular set of eyelids to keep their eyes moist and clean. They have a bottom lid that stays still and an upper lid that blinks. Frogs also have a third eyelid that serves a different purpose. This one, called as the nictitating membrane, is a semitransparent lid that covers the eye completely, helping the frog see underwater and hide from predators.
So, the correct answer is option A.
SIMILAR QUESTIONS
Animal Physiology: Locomotion, Senses, Nervous and Chemical Coordination
Choose the correct statement.
Animal Physiology: Locomotion, Senses, Nervous and Chemical Coordination
Which of the following statements is correct?
Animal Physiology: Locomotion, Senses, Nervous and Chemical Coordination
In mammalian eye, the 'fovea' is the center of the visual field where
Animal Physiology: Locomotion, Senses, Nervous and Chemical Coordination
Match the terms in column I with those in column II. Column I Column II (a) Compound epithelium (i) Alimentary canal (b) Compound eye (ii) Cockroach (c) Septal nephridia (iii) Skin (d) Open circulatory system (iv) Mosaic vision (e) Typhlosole (v) Earthworm (f) Osteocytes (vi) Phallomere (g) Genitalia (vii) Bone
Animal Physiology: Locomotion, Senses, Nervous and Chemical Coordination
Briefly describe the structure of eye.
Animal Physiology: Locomotion, Senses, Nervous and Chemical Coordination
How does the eye regulate the amount of light that falls on the retina?
Animal Physiology: Locomotion, Senses, Nervous and Chemical Coordination
The region of the vertebrate eye, where the optic nerve passes out of the retina, is called as (a) Fovea (b) Iris (c) Blind spot (d) Optic chaisma
Animal Physiology: Locomotion, Senses, Nervous and Chemical Coordination
Rhodopsin is found in
Animal Physiology: Locomotion, Senses, Nervous and Chemical Coordination
Aperture of an eye can be changed by
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