Sense Organs Welcome to your Sense Organs 1. The defect of vision in which the image of nearby objects is formed behind the retina is Short- sightedness Myopia Hypermetropia Presbyopia2. Find the correct statement about the eustachian tube. it equalises pressure between middle aer and outer atmosphere Equalises pressure between middle ear and outer atmosphere and also connects middle ear to pharynx Connects middle ear to pharynx Connects internal ear to external ear3. The vestibular and tympanal canal of inner ear is filled with Perilymph Otolymph Endolymph Cystolymph4. Aqueous humour is present between the Iris and lens Cornea and iris Lens and retina Cornea and lens5. The sequence of ear ossicles of vertebrates starting from the tympanum is Malleus, incus, stapes Stapes, incus, malleus Incus, malleus, stapes Stapes, malleus, incus6. Which of the following is true about retina? Innermost layer All of the above Contains rods and cones Sensitive to light7. Find the incorrect match Yellow spot - blurred vision Blind spot - no vision Rod cells - rhodopsin Cone cells - iodopsin8. The photoreceptor cells of the retina sensitive to colour are Organ of corti Pupil Rods Cones9. The medical condition in which the lens of the eye of a person becomes progressively cloudy resulting in blurred vision is called Cataract Presbyopia Hypermetropia Myopia10. What type of image is formed by the eye lens on the retina? Virtual and inverted Real and inverted Virtual and erect Real and erect11. The defect of the eye in which the eye ball becomes too long is Cataract Presbyopia Hypermetropia Myopia12. The part of the human eye where rod cells and cone cells are located is the Cornea Choroid Sclera Retina13. The median cochlear canal of inner ear is filled with Perilymph Otolymph Cystolymph Endolymph14. The parts of the human ear concerned with hearing are Eustachian tube, tympanum and utriculus Perilymph, ear ossicles and semicircular canals Cochlea, ear ossicles and tympanum Semicircular canals, utriculus and sacculus15. Which part of our ear is shaped like a snail shell? Semi-circular canals Stapes Eustachian tube Cochlea16. 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 Myopia17. The aperture in the eye through which light enters is the Conjunctiva Choroid Pupil Ciliary muscles18. The number of spinal nerves in a human being are 30 pairs 31 pairs 10 pairs 21 pairs19. Find the incorrect match Saccule and utricule - maintain static equilibrium Sensory hair cells - Present on basilar membrane Middle ear - amplifies sound waves CRistae - perform hearing function20. Which part of the eye is grafted in a needy patient from a donated eye? Ciliary muscles Choroid Conjunctiva Cornea21 out of 20Please fill in the comment box below.
