Sense Organs Welcome to your Sense Organs 1. The sequence of ear ossicles of vertebrates starting from the tympanum is Malleus, incus, stapes Stapes, malleus, incus Incus, malleus, stapes Stapes, incus, malleus2. The parts of the human ear concerned with hearing are Eustachian tube, tympanum and utriculus Perilymph, ear ossicles and semicircular canals Semicircular canals, utriculus and sacculus Cochlea, ear ossicles and tympanum3. Find the correct statement about the eustachian tube. Equalises pressure between middle ear and outer atmosphere and also connects middle ear to pharynx Connects internal ear to external ear Connects middle ear to pharynx it equalises pressure between middle aer and outer atmosphere4. The medical condition in which the lens of the eye of a person becomes progressively cloudy resulting in blurred vision is called Presbyopia Hypermetropia Cataract Myopia5. The number of spinal nerves in a human being are 10 pairs 21 pairs 30 pairs 31 pairs6. Which of the following is true about retina? Contains rods and cones Sensitive to light All of the above Innermost layer7. The defect of vision in which the image of nearby objects is formed behind the retina is Presbyopia Hypermetropia Myopia Short- sightedness8. Find the incorrect match Cone cells - iodopsin Blind spot - no vision Rod cells - rhodopsin Yellow spot - blurred vision9. The vestibular and tympanal canal of inner ear is filled with Otolymph Perilymph Endolymph Cystolymph10. Which part of the eye is grafted in a needy patient from a donated eye? Cornea Choroid Conjunctiva Ciliary muscles11. The defect of vision in which a person cannot see the distant objects clearly but can see nearby objects clearly is called Hypermetropia Presbyopia Bifocal eye Myopia12. The defect of the eye in which the eye ball becomes too long is Myopia Hypermetropia Cataract Presbyopia13. Aqueous humour is present between the Iris and lens Cornea and iris Lens and retina Cornea and lens14. The median cochlear canal of inner ear is filled with Perilymph Endolymph Otolymph Cystolymph15. The aperture in the eye through which light enters is the Ciliary muscles Pupil Conjunctiva Choroid16. Find the incorrect match Middle ear - amplifies sound waves Sensory hair cells - Present on basilar membrane CRistae - perform hearing function Saccule and utricule - maintain static equilibrium17. What type of image is formed by the eye lens on the retina? Virtual and erect Real and erect Virtual and inverted Real and inverted18. The part of the human eye where rod cells and cone cells are located is the Cornea Sclera Retina Choroid19. The photoreceptor cells of the retina sensitive to colour are Pupil Cones Organ of corti Rods20. Which part of our ear is shaped like a snail shell? Eustachian tube Semi-circular canals Cochlea Stapes21 out of 20Please fill in the comment box below.
