{"id":16606,"date":"2021-08-12T15:29:53","date_gmt":"2021-08-12T09:59:53","guid":{"rendered":"https:\/\/apboardsolutions.guru\/?p=16606"},"modified":"2021-09-16T08:55:28","modified_gmt":"2021-09-16T03:25:28","slug":"ap-9th-class-biology-bits-chapter-6","status":"publish","type":"post","link":"https:\/\/apboardsolutions.guru\/ap-9th-class-biology-bits-chapter-6\/","title":{"rendered":"AP 9th Class Biology Bits Chapter 6 Sense Organs with Answers"},"content":{"rendered":"

Practice the AP 9th Class Biology Bits with Answers<\/a> Chapter 6 Sense Organs on a regular basis so that you can attempt exams with utmost confidence.<\/p>\n

AP State Syllabus 9th Class Biology Bits 6th Lesson Sense Organs with Answers<\/h2>\n

Choose the correct answers :<\/span><\/p>\n

Question 1.
\nConditions, substances etc in nature that trigger the process of sensing them by our body are called
\nA) stimulants
\nB) activation
\nC) catalysts
\nD) enzymes
\nAnswer:
\nA) stimulants<\/p>\n

Question 2.
\nStimuli from the environment around are received by our body through
\nA) eye, ear
\nB) nose, tongue
\nC) skin
\nD) all
\nAnswer:
\nD) all<\/p>\n

\"AP<\/p>\n

Question 3.
\nThis is the centre for all sensitive activities.
\nA) spinal cord
\nB) brain
\nC) heart
\nD) eyes
\nAnswer:
\nB) brain<\/p>\n

Question 4.
\nNerves that bring nerve signals from the sense organs are called
\nA) motor nerves
\nB) spinal nerves
\nC) sensory nerves
\nD) all
\nAnswer:
\nC) sensory nerves<\/p>\n

Question 5.
\nA thin layer that covers the front portion of the eye
\nA) sclera
\nB) choroid layer
\nC) lens
\nD) conjunctiva
\nAnswer:
\nD) conjunctiva<\/p>\n

Question 6.
\nHow much portion of eye ball is visible to us ?
\nA) 1\/4th
\nB) 1\/6th
\nC) 1\/5th
\nD) 1\/7th
\nAnswer:
\nB) 1\/6th<\/p>\n

Question 7.
\nThe layer of the eye that contains lot of blood vessels
\nA) conjunctiva
\nB) sclera
\nC) choroid layer
\nD) retina
\nAnswer:
\nC) choroid layer<\/p>\n

Question 8.
\nJelly like fluid is present in this part of the eyeball.
\nA) aqueous chamber
\nB) vitreous chamber
\nC) choroid layer
\nD) sclera
\nAnswer:
\nB) vitreous chamber<\/p>\n

Question 9.
\nEye gathers light through a lens and image is formed on
\nA) sclera
\nB) iris
\nC) pupil
\nD) retina
\nAnswer:
\nD) retina<\/p>\n

\"AP<\/p>\n

Question 10.
\nRods of retina contains a pigment called
\nA) rhodopsin
\nB) idopsin
\nC) photopsin
\nD) ketopsin
\nAnswer:
\nA) rhodopsin<\/p>\n

Question 11.
\nCones help in
\nA) seeing in the dark
\nB) cannot make distinction of colour
\nC) identifying the colours
\nD) produces tears
\nAnswer:
\nC) identifying the colours<\/p>\n

Question 12.
\nThe part of the retina that has no photoreceptors
\nA) blind spot
\nB) yellow spot
\nC) green spot
\nD) black spot
\nAnswer:
\nA) blind spot<\/p>\n

Question 13.
\nThe glands present in eye are
\nA) lachrymal glands
\nB) ceruminous glands
\nC) sebaceous glands
\nD) mucous glands
\nAnswer:
\nA) lachrymal glands<\/p>\n

Question 14.
\nThe adjustable part in the eye is
\nA) eyelid
\nB) biconvex lens
\nC) retina
\nD) cornea
\nAnswer:
\nB) biconvex lens<\/p>\n

Question 15.
\nPinna is
\nA) external ear
\nB) middle ear
\nC) inner ear
\nD) all
\nAnswer:
\nA) external ear<\/p>\n

Question 16.
\nThe chain of bones present in the middle ear
\nA) malleus
\nB) incus
\nC) stapes
\nD) all
\nAnswer:
\nD) all<\/p>\n

Question 17.
\nThe ear canal is also called
\nA) tympanum
\nB) auditory meatus
\nC) ear drum
\nD) middle ear
\nAnswer:
\nB) auditory meatus<\/p>\n

\"AP<\/p>\n

Question 18.
\nMiddle ear opens into the inner ear through
\nA) spherical window
\nB) oval window
\nC) round window
\nD) elliptical window
\nAnswer:
\nC) round window<\/p>\n

Question 19.
\nHow many taste buds are present on tongue ?
\nA) 100
\nB) 1000
\nC) 10,000
\nD) 5,000
\nAnswer:
\nC) 10,000<\/p>\n

Question 20.
\nOlfactory receptors are present in
\nA) skin
\nB) eye
\nC) ear
\nD) nose
\nAnswer:
\nD) nose<\/p>\n

Question 21.
\nMetallic taste of food is present in
\nA) natural foods
\nB) artificial foods
\nC) raw foods
\nD) cooked foods
\nAnswer:
\nB) artificial foods<\/p>\n

Question 22.
\nTaste buds are present in this structures on tongue
\nA) fungi form papillae
\nB) foliate papillae
\nC) fungi form and foliate papillae
\nD) filiform papillae
\nAnswer:
\nC) fungi form and foliate papillae<\/p>\n

Question 23.
\nCutaneous receptors are present in
\nA) ear
\nB) tongue
\nC) nose
\nD) skin
\nAnswer:
\nD) skin<\/p>\n

Question 24.
\nDermis layer of skin contains
\nA) sweat glands
\nB) sebaceous glands, blood vessels
\nC) hair follicles, fats
\nD) all
\nAnswer:
\nD) all<\/p>\n

\"AP<\/p>\n

Question 25.
\nReceptors present in skin for touch
\nA) tactile receptors
\nB) pacinial corpuscles
\nC) nocireceptors
\nD) all
\nAnswer:
\nA) tactile receptors<\/p>\n

Question 26.
\nPellagra is the disease of skin due to the deficiency of
\nA) proteins
\nB) vitamins
\nC) hormones
\nD) enzymes
\nAnswer:
\nB) vitamins<\/p>\n

Question 27.
\nMelanin is the pigment present in
\nA) ear
\nB) tongue
\nC) nose
\nD) skin
\nAnswer:
\nD) skin<\/p>\n

Question 28.
\nIdentify the disease of skin.
\nB) xeropthalmic
\nC) leucoderma
\nD) glaucoma
\nAnswer:
\nC) leucoderma<\/p>\n

Question 29.
\nThe term ‘gustation’ refers to what sense ?
\nA) Taste
\nB) Smell
\nC) Hear
\nD) Touch
\nAnswer:
\nA) Taste<\/p>\n

Question 30.
\nThe aperture controlling the amount of light entering the eye is called
\nA) Lens
\nB) Cornea
\nC) Pupil
\nD) Retina
\nAnswer:
\nC) Pupil<\/p>\n

Question 31.
\nThe term “Olfaction” explicitly refers to which sense ?
\nA) Hear
\nB) Smell
\nC) Touch
\nD) Sight
\nAnswer:
\nB) Smell<\/p>\n

\"AP<\/p>\n

Question 32.
\nThe Fovea is the part of retina that contain photoreceptors called
\nA )Rods
\nB) Cones
\nC) Nerves
\nD) Blood vessels
\nAnswer:
\nB) Cones<\/p>\n

Question 33.
\nWhat structure provides the boundary between the outer and middle ear ?
\nA) Cochlia
\nB) Pinna
\nC) Tympanum
\nD) Ear drum
\nAnswer:
\nC) Tympanum<\/p>\n

Question 34.
\nThe small bony chamber of the ear which coils about two and half turns is known as
\nA) Tympanum
\nB) Cochlia
\nC) Pinna
\nD) None
\nAnswer:
\nB) Cochlia<\/p>\n

Question 35.
\nSensitive pigment layer of the eye is
\nA) Cornea
\nB) Retina
\nC) Iris
\nD) Sclerotic
\nAnswer:
\nB) Retina<\/p>\n

Question 36.
\nColour vision is due to ……………….
\nA) cone cells
\nB) acute in dim light
\nC) different wavelengths of coloured light stimulating the rods
\nD) both A and B
\nAnswer:
\nA) cone cells<\/p>\n

Question 37.
\nCones in the eye are sensitive to the following colours …………………..
\nA.) Red, green, amber
\nB) Red, violet, and yellow
\nC) Blue, red and yellow
\nD) Red, green, blue
\nAnswer:
\nC) Blue, red and yellow<\/p>\n

\"AP<\/p>\n

Question 38.
\nWhich of the following provides an attachment point for extrinsic muscles of the eye ball ?
\nA) Iris
\nB) Retina
\nC) Sclera
\nD) Choroid coat
\nAnswer:
\nA) Iris<\/p>\n

Question 39.
\nThe chief function of the middle ear is-
\nA) Amplify sound waves
\nB) Help to move the external pinna
\nC) Secrete waxy substance which repel insects
\nD) Keep the basilar membrane separated
\nAnswer:
\nD) Keep the basilar membrane separated<\/p>\n

Question 40.
\nRetina is most sensitive at ………………
\nA) Periphery
\nB) Macula
\nC) Fovea
\nD) Optic disc
\nAnswer:
\nC) Fovea<\/p>\n

Question 41.
\nThe photosensitive substance in the eyes of mammals
\nA) Retinol
\nB) Rhodopsin
\nC) Sclerotin
\nD) Melanin
\nAnswer:
\nB) Rhodopsin<\/p>\n

Question 42.
\nThe other name for eardrum is known as
\nA) Pinna
\nB) Auditory canal
\nC) Tympanic membrane
\nD) Oval window
\nAnswer:
\nC) Tympanic membrane<\/p>\n

Question 43.
\nWhich of these bones is not found in the middle ear ?
\nA) Malleus
\nB) Incus
\nC) Stapes
\nD) Ulmar
\nAnswer:
\nD) Ulmar<\/p>\n

Question 44.
\nMelanin protects us from harmful affects of –
\nA) bacteria
\nB) virus
\nC) allergy
\nD) light
\nAnswer:
\nD) light<\/p>\n

\"AP<\/p>\n

Question 45.
\nThe largest sense organ of our body
\nA) Eyes
\nB) Nose
\nC) Skin
\nD) Tongue
\nAnswer:
\nC) Skin<\/p>\n

Question 46.
\nThis is not an eye disease.
\nA) Pellagra
\nB) Cataract
\nC) Glacoma
\nD) Astigmatism
\nAnswer:
\nA) Pellagra<\/p>\n

Question 47.
\nThis is not a skin disease.
\nA) Leucoderma
\nB) Pellagra
\nC) Ringworm
\nD) Rickets
\nAnswer:
\nD) Rickets<\/p>\n

Question 48.
\nThe sense organ that regulates the body temperature
\nA) Nose
\nB) Skin
\nC) Ear
\nD) Eye
\nAnswer:
\nB) Skin<\/p>\n

Question 49.
\nVastibular apparatus maintains body is
\nA) Temperature
\nB) Pressure
\nC) Equilibrium
\nD) None
\nAnswer:
\nC) Equilibrium<\/p>\n

Question 50.
\n‘Leprosy’ is related to this organ.
\nA) Ears
\nB) Eyes
\nC) Nose
\nD) Skin
\nAnswer:
\nD) Skin<\/p>\n

Question 51.
\nSebacious glands produce ………………
\nA) Sweat
\nB) Sebum
\nC) Tears
\nD) Wax
\nAnswer:
\nB) Sebum<\/p>\n

\"AP<\/p>\n

Question 52.
\nChoroid layer provides the following to the eye ……………….
\nA) strength
\nB) colour
\nC) protection
\nD) none
\nAnswer:
\nB) colour<\/p>\n

Question 53.
\nThe most important sense organ.
\nA) Eye
\nB) skin
\nC) Ear
\nD) Tongue
\nAnswer:
\nA) Eye<\/p>\n

Question 54.
\nThis is very harmful to our eyes.
\nA) Bright light
\nB) Smoke
\nC) UV light
\nD) All
\nAnswer:
\nD) All<\/p>\n

Question 55.
\nMiddle ear’s main function is
\nA) Wax production
\nB) Amplifying the sounds
\nC) Receiving sound waves
\nD) A and C
\nAnswer:
\nB) Amplifying the sounds<\/p>\n

Question 56.
\nIdentify the mismatched pair from the following.
\n1) Pinna – External
\n2) Tympanum – Ceruminous gland
\n3) Wax producing – Ear drum<\/p>\n

A) 1 only
\nB) 3 only
\nC) 2, 3
\nD) 1, 3
\nAnswer:
\nC) 2, 3<\/p>\n

Question 57.
\nRead the following statements carefully.
\na) The cones are concentrated in fovea, which gives us the sharpest vision.
\nb) Cornea is the clean window in front of Iris.
\nA) a correct, b incorrect
\nB) b correct, a incorrect
\nC) both a, b incorrect
\nD) a, b are correct
\nAnswer:
\nD) a, b are correct<\/p>\n

\"AP<\/p>\n

Question 58.
\nIdentify the mismatched pair.
\n1) Leucoderma – Skin
\n2) Cataract – Nose
\n3) Deafness – Ear
\nA) 1,3
\nB) 2, 3
\nC) 1 only
\nD) 2 only
\nAnswer:
\nD) 2 only<\/p>\n

Question 59.
\nRead the following statements.
\na) Blind spot is the area, where the optic nerves leave the eye
\nb) Ceruminous glands produce oil in the ear.
\nA) Both a, b correct
\nB) Both a, b incorrect
\nC) a correct, b incorrect
\nD) b correct, a incorrect
\nAnswer:
\nC) a correct, b incorrect<\/p>\n

Question 60.
\nIdentify the mismatched pair.
\n1) Smell – Olfactory neui.
\n2) Tears – Lachrymal giai
\n3) Wax – Ceruminous gL
\nA) 1, 2
\nB) 2, 3
\nC) 2 only
\nD) All are correct
\nAnswer:
\nD) All are correct<\/p>\n\n\n\n\n\n\n\n\n
Eye disease or defect<\/td>\nCharacteristics<\/td>\n<\/tr>\n
1. Age related macular degeneration<\/td>\nIt is an eye condition that leads to the deterioration of the centre of the retina called macula.<\/td>\n<\/tr>\n
2. Astigmatism<\/td>\nIt is an imperfection in the curvature of retina.<\/td>\n<\/tr>\n
3. Cataract<\/td>\nIt is the clouding of the eye lens causing vision problems.<\/td>\n<\/tr>\n
4. Central retinal vein occlusion<\/td>\nIt is a blockage of the main vein in the retina.<\/td>\n<\/tr>\n
5. Colour blindness<\/td>\nOccurs when we are unable to see colours in a normal way.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Question 61.
\nStudy the table and answer the following question.
\nThis disease is related to the curvature of retina.
\nA) Astigmatism
\nB) Cataract
\nC) Central retinal vein occlusion
\nD) Colour blindness<\/p>\n\n\n\n\n\n\n\n\n\n\n
Eye disease or defect<\/td>\nCharacteristics<\/td>\n<\/tr>\n
1. Conjunctivitis<\/td>\nIt is the swelling of the conjunctiva, the eye becomes red. burning sensation in the eye, releases water.<\/td>\n<\/tr>\n
2. Corneal transplant<\/td>\nScars, swelling or an irregular shape can cause the cornea to scatter or distart light resulting in glare or blurring vision.<\/td>\n<\/tr>\n
3. Diabetic retinopathy<\/td>\nIt is a common diabetic eye disease caused by changes in retinal blood ves\u00adsels.<\/td>\n<\/tr>\n
4. Dry eye or Xeropthalmia<\/td>\nIt is a condition where the eyes do not pro\u00ad;<\/sub> duce enough tears or the right quality of tears to be healthy or comfortable and eye becomes dry.<\/td>\n<\/tr>\n
5. Far sightedness (Hypermetropia)<\/td>\nIt is a refractive error, which means the eye does not bend or refract light properly. Images are formed behind the retina.<\/td>\n<\/tr>\n
6. Glaucoma<\/td>\nIt is a disease that damages the eyes optic nerve. This leads to high pressure in the back of the eye.<\/td>\n<\/tr>\n
7. Kerolitis<\/td>\nIt is a condition where the cornea be\u00adcomes swollen or inflamed, making the eye red and painful effecting vision.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Answer:
\nA) Astigmatism<\/p>\n

Question 62.
\nStudy the table and answer the following question. In this disease images are formed
\nbehind the retina.
\nA) Xeropthalmia
\nB) Hypermetropia
\nC) Glaucoma
\nD) Kerolitis
\nAnswer:
\nB) Hypermetropia<\/p>\n

\"AP<\/p>\n

Question 63.
\nIdentify this structure.
\n\"AP
\nA) Skin
\nB) Eye
\nC) Tongue
\nD) Ear
\nAnswer:
\nC) Tongue<\/p>\n

Question 64.
\nThe given picture depicts the following statements.
\n\"AP
\nA) It is an illusion where the stimulus pattern is interpreted incorrectly by the mind.
\nB) It is dispersion where the stimulus pattern is interpreted incorrectly by the mind.
\nC) It is right interpretation of the stimulus pattern by mind due to diffusion.
\nD) It is a reflection where there is an accuracy between what we see and the external reality.
\nAnswer:
\nA) It is an illusion where the stimulus pattern is interpreted incorrectly by the mind.<\/p>\n

Question 65.
\nChoose the correct matching from the following.
\nList – A
\n1) Fovea
\n2) Hotline
\n3) Ear canal
\nc) Yellow spot<\/p>\n

List – B
\na) Tongue
\nb) Auditory meatus
\nc) Yellow spot
\nA) 1 – a, 2 – b, 3 – c
\nB) 1 – b, 2 – a, 3 – c
\nC) 1 – c, 2 – b, 3 – a
\nD) 1 – c, 2 – a, 3 – b
\nAnswer:
\nD) 1 – c, 2 – a, 3 – b<\/p>\n

Question 66.
\nPickout the correct matching from the following.
\nList – A
\n1. Cutaneous Receptors
\n2) Nociceptors
\n3) Pacinian corpuscles<\/p>\n

List – B
\na) The sense of touch Nociceptors
\nb) Pressure Pacinian corpuscles
\nc) Temperature
\nA) 1 – c, 2 – b, 3 – a
\nB) 1 – a, 2 – b, 3 – c
\nC) 1 – b, 2 – c, 3 – a
\nD) 1 – a, 2 – c, 3 – b
\nAnswer:
\nD) 1 – a, 2 – c, 3 – b<\/p>\n

II. Match the following :<\/span>
\n1.<\/p>\n\n\n\n\n\n\n\n\n\n\n
Group A<\/td>\nGroup B<\/td>\n<\/tr>\n
1) Fovia<\/td>\nA) Skin<\/td>\n<\/tr>\n
2) Hotline<\/td>\nB) Nose<\/td>\n<\/tr>\n
3) Ear canal<\/td>\nC) Tongue<\/td>\n<\/tr>\n
4) Olfactory receptors<\/td>\nD) Yellow spot<\/td>\n<\/tr>\n
5) Cutaneous receptors<\/td>\nE) Blind spot<\/td>\n<\/tr>\n
<\/td>\nF) Auditory meatus<\/td>\n<\/tr>\n
<\/td>\nG) Inner ear<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Answer:
\n1) Fovia – D) Yellow spot
\n2) Hotline – C) Tongue
\n3) Ear canal – F) Auditory meatus
\n4) Olfactory receptors – B) Nose
\n5) Cutaneous receptors – A) Skin<\/p>\n

\"AP<\/p>\n

2.<\/p>\n\n\n\n\n\n\n\n\n\n\n
Group A<\/td>\nGroup B<\/td>\n<\/tr>\n
1) Pinna<\/td>\nA) Identification<\/td>\n<\/tr>\n
2) Tympanum<\/td>\nB) Savory flavor<\/td>\n<\/tr>\n
3) Umami<\/td>\nC) Colour of the skin<\/td>\n<\/tr>\n
4) Iris<\/td>\nD) External ear<\/td>\n<\/tr>\n
5) Melanin<\/td>\nE) Ceruminous gland<\/td>\n<\/tr>\n
6) Wax producing<\/td>\nF) Ear drum<\/td>\n<\/tr>\n
<\/td>\nG) Lubrication<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Answer:
\n1) Pinna – D) External ear
\n2) Tympanum – F) Ear drum
\n3) Umami – B) Savory flavor
\n4) Iris – A) Identification
\n5) Melanin – C) Colour of the skin
\n6) Wax producing – E) Ceruminous gland<\/p>\n

3.<\/p>\n\n\n\n\n\n\n\n\n\n\n
Group A<\/td>\nGroup B<\/td>\n<\/tr>\n
1) Myopia<\/td>\nA) Bacterial disease<\/td>\n<\/tr>\n
2) Hypermetropia<\/td>\nB) Deficiency of vitamins<\/td>\n<\/tr>\n
3) Leucoderma<\/td>\nC) Viral disease<\/td>\n<\/tr>\n
4) Leprosy<\/td>\nD) Skin<\/td>\n<\/tr>\n
5) Pellagra<\/td>\nE) Near sightedness<\/td>\n<\/tr>\n
<\/td>\nF) Dry eyes<\/td>\n<\/tr>\n
<\/td>\nG) Far sightedness<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Answer:
\n1) Myopia – E) Near sightedness
\n2) Hypermetropia – G) Far sightedness
\n3) Leucoderma – D) Skin
\n4) Leprosy – A) Bacterial disease
\n5) Pellagra – B) Deficiency of vitamins<\/p>\n

Question 67.
\nThe eye is divided into aqueous chamber and vitreous chamber by
\nA) Lens
\nB) Pupil
\nC) Iris
\nD) Choroid
\nAnswer:
\nA) Lens<\/p>\n

Question 68.
\nEquilibrium of the body, pertaining to the posture and balance are maintained by
\nA) Utri cuius only
\nB) Utriculus, Sacculus
\nC) Utriculus, Sacculus and Semilunar canals
\nD) Utriculus, Sacculus, Semicircular canals and cochlea
\nAnswer:
\nC) Utriculus, Sacculus and Semilunar canals<\/p>\n

Question 69.
\nBiologically, the sense of smell begins with
\nA) Visual perception
\nB) Thinking of smell
\nC) Tasting food
\nD) Chemical events in nose
\nAnswer:
\nD) Chemical events in nose<\/p>\n

Question 70.
\nMelanin is responsible for
\nA) Detection of pressure
\nB) Formation of nails, hair
\nC) Skin colour
\nD) Thermo regulation
\nAnswer:
\nC) Skin colour<\/p>\n

Question 71.
\nThe deficiency of pigment melanin leads to………………
\nA) Leucoderma
\nB) Pellagra
\nC) Ringworm
\nD) Tanning
\nAnswer:
\nA) Leucoderma<\/p>\n

\"AP<\/p>\n

Question 72.
\nWhich of the following is a function of tears secreted by eyes ?
\nA) To identify colours
\nB) To control the amount of light entering the eye
\nC) To keep the eyes moist
\nD) They do not have any function
\nAnswer:
\nC) To keep the eyes moist<\/p>\n

Question 73.
\nA student took plastic funnel and stretched a piece of balloon over its widen part. He put some mustard seeds on it and shouted loud. His purpose is
\nA) Sound is produced from vibration of vocal cords
\nB) Sound is a kind of energy that vibrates only the mustard seeds
\nC) Sound is produced due to vibration of particles
\nD) We can hear sound as the particles of air are vibrated and waves are formed
\nAnswer:
\nD) We can hear sound as the particles of air are vibrated and waves are formed<\/p>\n

Question 74.
\nA boy of your street is feeling itchy in his ear. As a biology student you would
\nA) Tell him to take a matchstick and scrap
\nB) Put some oil in the ear
\nC) Put some saline water in the ear
\nD) Consult an ENT
\nAnswer:
\nD) Consult an ENT<\/p>\n

Question 75.
\nMatch the following :<\/p>\n\n\n\n\n\n
1. Tongue<\/td>\na. Receptor<\/td>\n<\/tr>\n
2. Ear<\/td>\nb. Tympanum<\/td>\n<\/tr>\n
3. Nose<\/td>\nc. Taste buds<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

A) c, a, b
\nB) a, b, c
\nC) c, b, a
\nD) b, a, c
\nAnswer:
\nC) c, b, a<\/p>\n

Question 76.
\nName of the smallest bone present in the ear
\nA) Malleus
\nB) Stapes
\nC) Incus
\nD) Tympanum
\nAnswer:
\nB) Stapes<\/p>\n

Question 77.
\nWhat will you do to prevent eye diseases.
\nA) Clean the eyes 3-4 times
\nB) Consume Vitamin-A food
\nC) Don\u2019t squeze the eyes
\nD) All of these
\nAnswer:
\nD) All of these<\/p>\n

Question 78.
\nP : Ravi cannot identify some colours.
\nQ : Cones are absent in the eyes of Ravi
\nA) P, Q both are true
\nB) Q is not the correct explanation to P
\nC) There is no relation between P and Q
\nD) Q is the correct explanation to P
\nAnswer:
\nA) P, Q both are true<\/p>\n

\"AP<\/p>\n

Question 79.
\nYour Iris is photographed while issuing AADHAR card. Can you guess the reason for it.
\nA) Iris patterns are individual specific
\nB) The colour of the eyes are different to each and everyone.
\nC) To identify the eye – defects.
\nD) To save time.
\nAnswer:
\nA) Iris patterns are individual specific<\/p>\n

Question 80.
\nIdentify the correct sequence of bones in the structure of ear.
\nA) Malleus, Incus and Stapes
\nB) Stapes, Incus and Malleus
\nC) Incus, Malleus and Stapes
\nD) Malleus, Stapes and Incus
\nAnswer:
\nA) Malleus, Incus and Stapes<\/p>\n

Question 81.
\nP : Sense organs recognise stimuli only.
\nQ : Brain analyses the stimuli and sends proper responses.
\nA) P only correct
\nB) Q only corect
\nC) Both P, Q correct
\nD) Both P, Q not correct
\nAnswer:
\nC) Both P, Q correct<\/p>\n

Question 82.
\nElder people can’t identify different tastes while consuming food. Can you guess the reason for it.
\nA) Olfactory receptors lost their efficiency
\nB) Taste receptors lost their efficiency
\nC) Closure of nasal cavity
\nD) Both A and B
\nAnswer:
\nD) Both A and B<\/p>\n

Question 83.
\nIf a person consumes high salty food then
\nA) recognises the taste of salt.
\nB) he likes the taste of salt.
\nC) he does not like the taste of salt.
\nD) he does not identify the taste of low salt food.
\nAnswer:
\nD) he does not identify the taste of low salt food.<\/p>\n

Question 84.
\nYou have collected the information about eye diseases from the doctor. Identify the disease that is related to eye
\nA) Leucoderma
\nB) Glaucoma
\nC) Polio
\nD) Malaria
\nAnswer:
\nB) Glaucoma<\/p>\n

Question 85.
\nThe taste we identify here is ……………….
\n\"AP
\nA) Bitter
\nB) Sweet
\nC) Sour
\nD) Umami
\nAnswer:
\nA) Bitter<\/p>\n

\"AP<\/p>\n

Question 86.
\nAnitha labelled nose internal structure as shown below.
\nNose – Olfactory receptors – Nasal sep-tum – Epiglottis – Mucus membrane Which of the following is incorrect ?
\nA) Mucus membrane
\nB) Epiglottis
\nC) Olfactory receptors
\nD) Nasal septum
\nAnswer:
\nB) Epiglottis<\/p>\n

Question 87.
\nWhat is the function of the part labelled \u201cP\u201d in the given figure ?
\n\"AP
\nA) Protect the epidermis
\nB) Sensation of touch
\nC) Produce Sweat
\nD) Secretion of sebum
\nAnswer:
\nD) Secretion of sebum<\/p>\n

Question 88.
\nA student labelled the parts as shown in the picture. Choose the correct match.
\n\"AP
\n1. Fungiform papillae
\n2. Foliate paplllae
\n3. Vallate paplllae
\nA) a- 1, b – 3, c – 2
\nB) a – 1,b – 2,c – 3
\nC) a – 3, b – 2, c – 1
\nD) a – 2,b – 3,c – 1
\nAnswer:
\nC) a – 3, b – 2, c – 1<\/p>\n

Question 89.
\nRead the following :
\nInfants have heightened taste sensitiv\u00acity that is why babies try to sense ev\u00acerything by taste.
\nChoose the correct statement in the following :
\na) The supersensitivity however de\u00accreases with age
\nb) Many elderly people complain that food has lost its taste.
\nA) Both a, b are incorrect
\nB) Both a, b are correct
\nC) a is true, b is false
\nD) a is false, b is true
\nAnswer:
\nB) Both a, b are correct<\/p>\n

Question 90.
\nThe lens divides the inner eyeball as (i) chamber and (ii) chamber :
\nA) i – aqueous, ii – cochlear
\nB) i – vitreous, ii – vegtibale
\nC) i – cochlear, ii – aqueous
\nD) i – aqueous ii – vitreous
\nAnswer:
\nD) i – aqueous ii – vitreous<\/p>\n

Question 91.
\nThe bones in the middle ear serve to amplify sound wave action from the tympanic membrane and transmit to
\n\"AP
\nA) the semicircular canals
\nB) the oval window
\nC) the round window
\nD) the eustachian tube
\nAnswer:
\nC) the round window<\/p>\n

Question 92.
\nSituation – (i) : Recognise the taste by just keeping the food on tongue.
\nSituation – (ii) : Recognise the taste by just pressing the food against palate. Which situation makes you recognise the taste ?
\nA) Applicable only for solid substances
\nB) i only
\nC) ii only
\nD) i and ii
\nAnswer:
\nC) ii only<\/p>\n

Question 93.
\nWhich cells help to identify the colours in eyes ?
\nA) Melanocytes
\nB) Rods, Cones
\nC) Rods only
\nD) Cones only
\nAnswer:
\nD) Cones only<\/p>\n

\"AP<\/p>\n

Question 94.
\nRaju rinsed his mouth with high concentrated salt water. What happens to his tongue?
\na) Learns to taste salty things better
\nb) Able to taste less salty things just after the exposure
\nc) Hates tasting salty things
\nd) Fails to take a less salty things just after the exposure
\nA) d only
\nB) a only
\nC) b only
\nD) c only
\nAnswer:
\nA) d only<\/p>\n

Question 95.
\nIf mucus membrane is lost in the nasal cavity, what would be the consequences ?
\na) Nasal cavity can\u2019t hold dust-germs
\nb) Nasal cavity can\u2019t remove dust
\nc) Nasal cavity fail to allow air
\nd) Nasal cavity allow more air
\nA) d only
\nB) a, b only
\nC) a only
\nD) a, c only
\nAnswer:
\nB) a, b only<\/p>\n

Question 96.
\nSelect the suitable questions in the following to conduct a quiz on eye diseases in your school.
\na) What is meant by xeropthalmia ?
\nb) What are the differences between myopia and Hypermetropia ?
\nc) Name the vitamin which helps the eye
\nd) Why some people have eye defects by birth ?
\ne) Is colour-blindness hereditary dis-ease?
\nA) Only a, d, e correct
\nB) Only a, b, c correct
\nC) Only c, d, e correct
\nD) All are correct
\nAnswer:
\nD) All are correct<\/p>\n","protected":false},"excerpt":{"rendered":"

Practice the AP 9th Class Biology Bits with Answers Chapter 6 Sense Organs on a regular basis so that you can attempt exams with utmost confidence. AP State Syllabus 9th Class Biology Bits 6th Lesson Sense Organs with Answers Choose the correct answers : Question 1. Conditions, substances etc in nature that trigger the process …<\/p>\n","protected":false},"author":4,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"spay_email":""},"categories":[12],"tags":[],"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/apboardsolutions.guru\/wp-json\/wp\/v2\/posts\/16606"}],"collection":[{"href":"https:\/\/apboardsolutions.guru\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/apboardsolutions.guru\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/apboardsolutions.guru\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/apboardsolutions.guru\/wp-json\/wp\/v2\/comments?post=16606"}],"version-history":[{"count":0,"href":"https:\/\/apboardsolutions.guru\/wp-json\/wp\/v2\/posts\/16606\/revisions"}],"wp:attachment":[{"href":"https:\/\/apboardsolutions.guru\/wp-json\/wp\/v2\/media?parent=16606"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/apboardsolutions.guru\/wp-json\/wp\/v2\/categories?post=16606"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/apboardsolutions.guru\/wp-json\/wp\/v2\/tags?post=16606"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}