Sense Organs Welcome to your Sense Organs 1. Which of the following is true about retina? Sensitive to light Contains rods and cones All of the above Innermost layer2. The photoreceptor cells of the retina sensitive to colour are Organ of corti Cones Pupil Rods3. Aqueous humour is present between the Cornea and lens Iris and lens Cornea and iris Lens and retina4. The vestibular and tympanal canal of inner ear is filled with Endolymph Perilymph Otolymph Cystolymph5. The part of the human eye where rod cells and cone cells are located is the Retina Cornea Sclera Choroid6. The defect of vision in which a person cannot see the distant objects clearly but can see nearby objects clearly is called Hypermetropia Bifocal eye Presbyopia Myopia7. The median cochlear canal of inner ear is filled with Perilymph Otolymph Cystolymph Endolymph8. The number of spinal nerves in a human being are 10 pairs 31 pairs 21 pairs 30 pairs9. The sequence of ear ossicles of vertebrates starting from the tympanum is Stapes, incus, malleus Malleus, incus, stapes Stapes, malleus, incus Incus, malleus, stapes10. Find the incorrect match CRistae - perform hearing function Saccule and utricule - maintain static equilibrium Sensory hair cells - Present on basilar membrane Middle ear - amplifies sound waves11. The parts of the human ear concerned with hearing are Cochlea, ear ossicles and tympanum Eustachian tube, tympanum and utriculus Semicircular canals, utriculus and sacculus Perilymph, ear ossicles and semicircular canals12. The medical condition in which the lens of the eye of a person becomes progressively cloudy resulting in blurred vision is called Hypermetropia Cataract Presbyopia Myopia13. Which part of the eye is grafted in a needy patient from a donated eye? Ciliary muscles Conjunctiva Cornea Choroid14. Find the incorrect match Yellow spot - blurred vision Cone cells - iodopsin Blind spot - no vision Rod cells - rhodopsin15. The aperture in the eye through which light enters is the Ciliary muscles Pupil Conjunctiva Choroid16. The defect of the eye in which the eye ball becomes too long is Myopia Cataract Presbyopia Hypermetropia17. Find the correct statement about the eustachian tube. Connects internal ear to external ear Equalises pressure between middle ear and outer atmosphere and also connects middle ear to pharynx Connects middle ear to pharynx it equalises pressure between middle aer and outer atmosphere18. The defect of vision in which the image of nearby objects is formed behind the retina is Presbyopia Hypermetropia Myopia Short- sightedness19. What type of image is formed by the eye lens on the retina? Real and inverted Virtual and erect Real and erect Virtual and inverted20. Which part of our ear is shaped like a snail shell? Semi-circular canals Cochlea Eustachian tube Stapes21 out of 20Please fill in the comment box below.
