Sense Organs MCQ (Multiple Choice Questions and Answers)
Q1. Glands of Moll are modified
- Oil glands
- Tear glands
- Sweet glands
- Scent glands
Answer: 3
Q2. The secretion of lachrymal gland is
- Watery
- Acidic
- Oily
- Alkaline
Answer: 1
Q3. Sty is infection of
- Gland of Zeis
- Tarsal gland
- Gland of Moll
- Lachrymal gland
Answer: 1
Q4. Macula lutea is a part of
- Optic nerve
- Sclerotic
- Choroid
- Retina
Answer: 4
Q5. Lens in man is
- Biconvex
- Biconcave
- Spherical
- Cylindrical
Answer: 1
Q6. The musculus tensor choroidea is
- Another name of tela choroidea
- Muscles surrounding the lens
- Levator bulbi muscles
- None of the above
Answer: 2
Q7. The eye rotate in the orbit by
- 6 muscles
- 3 muscles
- 4 muscles
- 5 muscles
Answer: 1
Q8. The eye ball protrudes from the orbit with the concentration of
- Retractor bulbi muscles
- Protractor lentis muscles
- Levator bulbi muscles
- None of the above
Answer: 3
Q9. Colour to the eye is imparted by
- Lens
- Pupil
- Iris
- Vitreous humour
Answer: 3
Q10. The size of pupil decreases due to the contraction of
- Radial muscles
- Circular muscles
- Both circular and radial muscles
- Nictiating membrane
Answer: 2
Q11. The vision of man is
- Monocular
- Binocular
- Apposition
- None of the above
Answer: 2
Q12. Eye muscles are attached with
- Sclerotic
- Cornea
- Choroid
- Retina
Answer: 1
Q13. The visual purple is concerned with
- Bright light
- Dim light
- Moderate light
- Darkness
Answer: 2
Q14. The visual violet is concerned with
- Bright light
- Dim light
- Moderate light
- Darkness
Answer: 1
Q15. The colour differentiation is done by
- Rods
- Cones
- Bipolar nerve cells
- Pigmented epithelium
Answer: 2
Q16. The tympanic membrane is stretched over a cartilaginous ring. It is
- Columella
- Fenestra ovalis
- Tympanicus annulus
- None of the above
Answer: 3
Q17. The true sense of equilibrium is located in
- Utriculus
- Sacculus
- Semicircular ducts
- Cochlea
Answer: 3
Q18. The membranous labyrinth is concerned with
- Hearing
- Equilibrium
- Both
- None of the above
Answer: 3
Q19. The enlargement at one end of each semicircular canal is known as
- Lagena
- Utriculus
- Ampulla
- Sacculus
Answer: 3
Q20. Which part of internal ear receives sound waves in man
- Cochlea
- Legena and utriculus
- Ampullae and utriculus
- None of the above
Answer: 1
Q21. From the sacculus arises a narrow tube called
- Ductus endolymphaticus
- Endolymphatic sac
- Cochlea
- None of the above
Answer: 1
Q22. Vascular coat of eye is
- Sclerotic
- Choroid
- Retina
- Nil
Answer: 2
Q23. Scala tympani is the part of
- Internal ear
- Middle ear
- Endolymphatic sac
- Brain
Answer: 1
Q24. Otoconia are
- Nerve fibres
- Ear stones
- Sensory hair
- None of the above
Answer: 2
Q25. In man’s eye, the sclerotic is made up of
- Bone
- Cartilage
- Muscles and cartilage
- Fibrous connective tissue
Answer: 4
Q26. In mammalian eye, the power of accommodation is controlled by changing thickness of the lens, governed by
- Cornea
- Pupil
- Iris
- Ciliary body
Answer: 4
Q27. Lacrimal glands are concerned with secretion of
- Hormones
- Digestive juices
- Enzymes
- Tears
Answer: 4
Q28. The membranous labyrinth is concerned with
- Hearing
- Balancing
- Sound production
- Hearing and balancing
Answer: 4
Q29. The receptor organs for sense of hearing are located in
- Cochlea
- Utriculus
- Sacculus
- Middle ear
Answer: 1
Q30. If the light source is front of an eye becomes bright suddenly
- Focus of lens will change
- Retinal blood supply is cut
- Vitreous humour becomes fluid
- Pupil will contract
Answer: 4
Q31. Animals perceiving coloured images are
- Primates
- Birds
- Lizards and snakes
- All the above
Answer: 4
Q32. Visual purple is found in
- Cornea
- Cones
- Rods
- Retina
Answer: 3
Q33. Tactile organs found at the hair roots are
- Basket nerve endings
- Free nerve endings
- Pacinian corpuscles
- Ruffini corpuscles
Answer: 1
Q34. Pharynx is connected with tympanic cavity through
- Glottis
- Gullet
- Eustachian tubes
- Internal nares
Answer: 3
Q35. The ear ossicle of man is
- Malleus
- Incus
- Stapes
- All the above
Answer: 4
Q36. Vestibule is constituted by
- Semicircular canals and utriculus
- Sacculus and utriculus
- Sacculus and ampullae
- Ampullae and lagena
Answer: 2
Q37. Maculae are present in
- Semicircular canals
- Utriculus and lagena
- Utriculus
- Utriculus and sacculus
Answer: 4
Q38. The impulse of sound is conduct to the brain by
- Olfactory nerve
- Auditory nerve
- Trochlea nerve
- Optic nerve
Answer: 2
Q39. Taste buds are located on
- Plate
- Tongue only
- Pharynx
- All the above
Answer: 4
Q40. The exposed transparent region of eye ball represents
- Uvea
- Cornea and conjunctiva
- Fibrous coat
- Cornea
Answer: 2
Q41. The ciliary body is located
- Near the ciliary muscles
- Near the blind spot
- Just behind the cornea
- At the junction of iris and choroid
Answer: 4
Q42. The blind spot is the region where
- Image is dim
- Image is formed in strong light
- Optic disc is present
- Image is formed during the dark
Answer: 3
Q43. Man can see objects equally clear from various distance due to
- Cornea
- Conjunctiva
- Eye lid
- Ciliary muscles
Answer: 4
Q44. Statoreceptors are located in
- Cristae
- Maculae
- Both A and B
- Cochlea
Answer: 3
Q45. The waxy substance which coats the surface of auditory canal is produced by
- Tympanum
- Ceruminous glands
- Sebaceous glands
- Meibomian glands
Answer: 2
Q46. The tectorial membrane is found in the
- Eye of frog
- Eye of Mammals
- Ear of Mammals
- Tongue of frog
Answer: 3
Q47. In old age, the vision of eye becomes dim. It is due to
- Myopia
- Hypermetropia
- Cataract
- Astigmatism
Answer: 3
Q48. In hypermetropia, the image is formed
- Before retina and is corrected by convex lens
- Behind retina and is corrected by convex lens
- Before retina and is corrected by concave lens
- Behind retina and is corrected by concave lens
Answer: 2
Q49. Astigmatism is corrected by the use of
- Convex lens
- Concave lens
- Cylindrical lens
- Surgery
Answer: 3
Q50. Pigment in the cone cells of man responsible for detecting red colour is
- Erythrolabe
- Chlorolabe
- Cyanolabe
- Rhodopsin
Answer: 1
Q51. Cyanolabe pigment helps in distinguishing
- Green colour
- Red colour
- Blue colour
- Dim light
Answer: 3
Q52. Otolith is formed of
- Carbohydrate
- Magnesium
- Lipid
- Calcium carbonate
Answer: 4
Q53. Eustachian tube is meant for
- Amplifying sound waves
- To listen to activities in buccopharyngeal cavity
- Equalize pressure on the two sides of tympanum
- To keep the middle ear moist
Answer: 3
Q54. Vascular coat of eye ball is made up of
- Sclerotic, choroid and retina
- Optic, ciliary and iridial
- Sclerotic, cornea and conjunctiva
- Choroid, ciliary body and iris
Answer: 4
Q55. Choroid is
- Loose connective tissue with pigment cells and vascular supply
- Muscular tissue rich in blood supply
- Epithelium
- Nervous system
Answer: 1