NERVOUS SYSTEM
1. The
typical resting membrane potential of nerve fibre is
1) -40 mv 2) - 70 mv 3) -90 mv 4) +45 mv
2. Arrange the following events in sequence
starting from resting state in nerve transmission
A) falling phase B) polarized state C)
under shoot D) rising
phase
1) A
BCD 2) CBAD 3)
BDAC 4)
BADC
BCD 2) CBAD 3)
BDAC 4)
BADC
3. Match the following
Column - I Column – II
A)Restring potential I)
-90 mv
B) spike potential II)
-55 mv
C) Hyper polarised III) +
45 mv
D) Threshold potential IV) – 70 mv
V)
– 65 mv
1) A – IV, B – III, C – I, D – II 2) A – V, B – III, C –
I, D – II
3) A – III, B – I, C – II, D – V 4) A – II, B – III, C – I, D – IV
4. Assertion (A): Sodium – potassium pumps
contribute to the negativity of the resting membrane potential
Reason
(R) : In residing stage Sodium-potassium pumps remove more positive
charges from axoplasm than they bring into it
1) A is true, R is false. 2) A is
false, R is true.
3) A
and R are true and R is not the correct explanation of A
4) A and R are true and R is the correct
explanation of A.
5. The relative refractory periods coincides
with period of
1)
re polarization and hyper polarization 2) depolarization and re polarization
3)
resting and hyper polarized states 4)
hyper polarized state
6. Read the statements and identify correct
ones
I) for 
only potassium activation voltage gated
channel is present
only potassium activation voltage gated
channel is present
II)
ligand gated channels located in the post synaptic membrane i.e dendrites and
cell bodies
III)
ligand gated channels can only open and not close in response to chemical
stimuli
IV)
leakage
channels are more than 
leakage
channels
leakage
channels are more than leakage
channels
1) I, III and IV 2)
II, III and IV 3) I, II
and IV 4) I and
III only
7. The inhibitory neurotransmitters are
1) Epinephrine, nor epinephrine 2) Acetylcholine dopamine
3)Dopamine, serotonin 4)
Glycine, GABA
8. Choose correct combination
Condition Activation Inactivation
Potassium gates
gates
of sodium gates of sodium
I)Depolarization opens opens closes
II) Resting state closes opens closes
III) Repolarization closes opens opens
1)I and II 2)
II and III 3) I, II and
III 4) I and III
9. The ion channels which respond to chemical
signals rather than to changes in membrane potential are known as
1) leakage channels 2)
activation gates 3) inactivation
gates 4) ligand gated
channels
10. Choose wrong statement related to electrical
synapses
1) impulse transmission across is faster
2) they are also known as gap junctions
3) they are never bidirectional
4) membranes of pre synaptic and post synaptic neurons are
very close
11. The ion channels in nerve membrane which are
said to be lazy gates are
1) activation gates of 2)
inactivation gates of
2)
inactivation gates of
3) 
channels 4)
gates
channels 4)
gates
12. Chemical synapse is
1) functional gap 2)
structural bridge
3) functional bridge and structural gap 4) structural bridge and functional gap
13. Arrange the events in sequence for chemical
synapse transmission
A) release of neurotransmitter by exo
cytosis
B) depolarization of axon terminal of
presynaptic neuron
C) binding of neuron transmitter to
receptors on post synaptic membrane
D) opening calcium channels
1) C B D A 2) B D A C
B D A 2) B D A C
3) B D C A 4) D B A C
D C A 4) D B A C
14. Summation of successive inputs from single
presynaptic membrane is called
1) temporal summation 2)
spatial summation
3) action potential 4)
tetany
15. The time during which a second action
potential can be initiated by a larger than normal stimulus
1) absolute refractory period 2) relative refractory period
3) total refractory period 4)
summation
16. Significant efflux of potassium ions occurs
through voltage gated potassium channels during
1) depolarization, re polarized states 2) resting and depolarized states
3) re polarized and hyperpolarized states 4) only during hyperpolarized states
17. During which period a neuron cannot generate
another action potential even to a strong stimulus
1) depolarized and re polarized conditions 2) resting and hyperpolarized conditions
3) hyper polarized condition 4)
re polarized and hyper polarized conditions
18. Incorrect statement about synaptic
transmission
1) summation of potentials occur at axon hillock
2) EPSPs cause hyper polarization of post synaptic
membrane
3) post synaptic potentials are graded
4) Acetyl choline is most common neurotransmitter
19. Continuous conduction occurs in
1) myelinated fibres 2)
non myelinated fibres
3) chemical synapses 4)
both myelinated and non myelinated fibres
20. In a myelinated axon voltage gated and channels are
concentrated at
and channels are
concentrated at
1) Internode region 2)
nodes of Ranvier 3) both regions 4) only at axon terminals
21. Epinephrine, nor epinephrine, dopamine,
serotonin are neurotransmitters which act as
1) only inhibitory 2)
Excitatory
3) either excitatory or inhibitory 4) produced in electrical
synapses
22. Purely
sensory cranial
nerves of man
1) I, II and VIII 2) III, IV, VI, XI and XII
3)
V, VII and IX are mixed in nature 4) III, IV, V, VI
23.
Which cranial nerves innervate the muscles of the eye ball.
1)
3, 4 & 5 2) 4, 5 & 6 3) 8, 9 & 10 4) 3, 4 & 6
24. Identify
the cranial nerves, whose motor fibres innervate salivary glands
1)
Trigeminal, Abuducens and Vagus 2) Occulomotor, Abducens and Glossopharyngeal
3) Trigeminal, Facial and Glossopharyngeal 4)
Vagus, Facial and Hypoglossal
25. Study
the following and choose the correct combination.
Cranial
nerve Origin Innervation
A) Occulomotor Floor
of midbrain Retina of eye
B) Cochlaer Organ of corti Sensory nucleus (Pons &
Medulla)
C) Hypoglossal Cerebellum Muscles of tongue
D) Spinal accessory Medulla Stomach
and intestine
1) A 2) B 3) C 4) D
26. Match
the following and choose the correct combination about cranial nerves.
List-I List-II
A) I 1) Vestibulo-cochlear
B) II 2) Hypoglossal
C) VIII 3) Olfactory
D) XII 4) Optic
5) Facial
A B C D A B C D
1) 3 4 1 2 2) 4 3 1 2
3)
3 4 5 2 4) 3 4 2 1
27. Arrange
the following mixed cranial nerves of man as per their roman numbers.
a) Vagus b) Glossopharyngeal c) Trigeminal d) Facial
1)
c, b, d, a 2) b, d, c, a 3) a, c, b, d 4) c, d, b, a
28. In
the axon of a motor nerve, the nerve impulse travels
1)
Towards the cell body 2) Away from the cell body
3)
Away from the synapse 4) In both the directions
29. Injury
to vagus nerve in humans is not likely to affect
1)
Cardiac movements 2) Gastro intestinal movements
3)
Tongue movements 4) Pancreatic secretion
30. The
correct sequence of cranial meninges from inner to outerside
1)
DuramaterArachnoid materPiamater 2) DuramaterPiamaterArachnoid mater
Arachnoid materPiamater 2) DuramaterPiamaterArachnoid mater
3)
PiamaterDuramaterArachnoid mater 4) PiamaterArachnoid materDuramater
DuramaterArachnoid mater 4) PiamaterArachnoid materDuramater
31. ‘Pons’
connects
1)
Occipital lobe and cerebellum 2) Two lobes of cerebellum
3)
Two cerebral hemispheres 4) Epithalamus and hypothalamus
32. Read
the following.
a) Longitudinal fissure b) Lumbar enlargement c)
Bracheal enlargement
d) Median fissure e) Cervical
enlargement f) Conus medullaris g) Median sulcus
Which
of the above are associated with the spinal cord of man
1) b, d, e, f, g 2) e, f, g only 3) a, b, e, f, g 4) b, c, d, e, g
33. Spinal
neurocoel is the continuation of
1)
I ventricle 2) II ventricle 3) III ventricle 4) IV ventricle
34.
In the given diagram, identify the one which represent
funiculi.
1)
A 2) B 3) C 4) D
35. Assertion
(A) : In the central nervous system of man, some areas of brain and spinal
cord appears white.
Reason (R) : Cytons of neurons are present in
the white colored areas of central nervous system.
1) A and R are true and R is the correct
explanation of A.
2) A and R are true and R is not the correct
explanation of A.
3) A is true, R is false. 4) A is false, R is
true.
36. Identify the structures from which
cerebrospinal fluid is riltered into ventricles of brain.
1) Anterior horns and posterior horns 2) Epithalamus and Hypothalamus
3) Primary sensory areas and primary motor areas
4) Anterior choroids plexus and posterior plexus
37. Development of the following structures in
the brain of humans not only lead to the peak of evolution of their nervous system but also their dominance
as well. Identify the structures.
1) Neopallium and corpus callosum 2) Cerebellum and Pons
3) Corpora Quadrigemina 4) Amygdale and Hippocampus
38. Study the following.
I II III
A) Thalamen cephalon Hypothalamus Maintains body temperature
B) Mesencephalon Coliculi Visual and auditory functions
C) Rhombencephalon Medulla Voluntary activities
D) Prosencephalon Associated areas Sensory or motor in function
In the above the correct combinations is
1) All 2) A and B only 3) B, C and D only 4) C and D only
39. Assertion
(A) :
Intoxication of alcohol leads to loss of body posture and body balance.
Reason (R) : Pneumotoxic centre is located in
the Pons Varoli of hind brain.
1) A and R are true and R is the correct
explanation of A.
2) A and R are true and R is not the correct
explanation of A.
3) A is true, R is false. 4) A is false, R is
true.
40. Read the following statements.
I) It secretes
neurosecretory hormones
II) It is involved
in the regulation of sexual behaviour along with limbic system
III) It is the thermostat of the body
IV) It forms a pineal stalk which ends in a pineal body
Which of the above are correct about the hypothalamus of
brain.
1) All are correct 2) All except II 3)
All except I and III 4) All except IV
41. One of the following is not a part of
limbic lobe or limbic system.
1) Amygdale 2) Inner parts of cerebrum
3) Inner part of cerebellum 4) Hippocampus
42. Choose the incorrect from the following.
1) 1st and 2nd
ventricles are joined by foramen of Monroe
2) Cerebral aqueduct joins 3rd and 4th
ventricles
3) Mid brain, Pons and medulla are together
referred as brain stem
4) Non nervous extension of conus medullaris to
the coccyx is called filum terminale
43. Both sensory and motor branches of one of
the following cranial nerve innervate the organs outside the cephalic
region. Identify it
1) Vestibulo-Cochlear nerve 2) Glossopharyngeal
3) Trigeminal 4) Vagus
44. Motor cranial nerve associated with
craniosacral outflow of autonomic nervous system is
1.
III 2. VII 3.IX 4. X
45. Which of the following is not a character of
reflex action?
1. Instantaneous 2.
Involuntary 3.Conscious 4. Automatic
46. The following controls and integrates the
activities of autonomous nervous system
1. The little brain 2.
The thermostat of the body
3. Brain stem 4. The tree of
life
47. ASSERTION (A): The ‘cranial outflow’ of the
parasympathetic neural system stimulates salivary secretion.
REASON (R): The overall effect of
sympathetic neural system is excitatory while the overall effect of
parasympathetic neural system is inhibitory.
1. Both ‘A’ and ‘R’ are true and ‘R’ is correct explanation to ‘A’.
2.
Both ‘A’ and ‘R’ are true but ‘R’ is not correct explanation to ‘A’
3. ‘A’
is true but ‘R’ is false 4.
‘A’ is false but ‘R’ is true
48. Which
of the following is incorrectly linked with the contributing nerves?
1. Sacral plexus -
L1to L3, branch of L4 and L5 2. Brachial plexus - C5
through T1
3. Lumbar plexus -
T12 through L4 4.
Cervical plexus- C1 through C4
49. The sympathetic division of the autonomic
nervous system
1. Constricts bronchi 2.
Inhibits activity of pancreas
3.
Promotes emptying urinary bladder 4.
Dilates blood vessels
50. Which of the following is not properly associated with the
characteristics?
1. Dorsal
root – linked to lateral gray horn 2.
Conus medullaris – region with neurons
3.
Spinal neurocoel – continuation of the fourth ventricle of the brain
4.
Horns – regions of cell bodies and unmyelinated axons
51. Cerebral peduncles are a pair of longitudinal bands of nervous tissue in the
ventral portion of
1. Cerebrum 2. Cerebellum 3.Mid brain 4. Pons varolii
52. This one is associated with ‘cholinergic
postganglionic neurons’ of autonomous nervous system
1. Cranial plexus 2. Lumbar
plexus 3.Thoracic plexus 4.Pelvic plexus
53. Cauda equina is enclosed within
1. Spinal cord 2.
Neural canal
3.Filum terminale 4.
Conus medullaris
54. The first spinal nerve emerges out through/in between
1. Foramen magnum 2.
Intervertebral foramen
3. Occipital bone and atlas 4. Atlas and axis
55. ASSERTION (A): All the spinal nerves are of
mixed type.
REASON (R): Each
spinal nerves is formed by the union of a dorsal root which contains efferent
neurons and a ventral roots which contains afferent neurons.
1.
Both ‘A’ and ‘R’ are true and ‘R’ is correct explanation to ‘A’.
2.
Both ‘A’ and ‘R’ are true but ‘R’ is not correct explanation to ‘A’
3.
‘A’ is true but ‘R’ is false 4.
‘A’ is false but ‘R’ is true
56. Collateral ganglia are in
1. Sympathetic chain 2.
Cranio-sacral division
3.
Thoracolumbar division but outside the chain
4.
Craniosacral division but close to or within visceral organs
57. Study the following about autonomous nervous system
|
Ganglion
|
Part of
|
Related to
|
|
I. Otic
|
PNS
|
Glossopharyngeal
cranial nerve
|
|
II. Coeliac
|
SNS
|
Cervical spinal
nerves
|
|
III. Pterygopalatine
|
PNS
|
Facial cranial nerve
|
|
IV. Posterior
mesenteric
|
SNS
|
Sacral spinal nerves
|
The
correct ones of the above are
1. II, III and IV only 2. III
and IV only
3. I, II and III only 4.
I and III only
58. What
is the first step in the activation of reflex arc?
1. Activation of motor neuron 2. Information processing
3. Activation of receptor 4. Activation
of a sensory neuron
59. The motor pathway of somatic neural system
has
1. Two myelinated neurons 2.
One myelinated neuron
3. One
unmyelinated neuron 4.
Two unmyelinated neurons
60. Post
ganglionic nerves arising from this ganglion mostly innervate the organs that
are posterior (inferior) to the diaphragm
1.
Ciliary 2. Coeliac 3.Otic 4.
Pterygopalatine
61. Study the following regarding human:
I. Cochlear nucleus is located at the junction of pons and medulla.
II.
Vestibular nuclear complex occur on the floor of fourth ventricle.
III.
Optic chiasma occurs in front of the infundibulum in the roof of
thalamencephalon.
The correct ones of the above is/are
1. Only I and II 2. Only II and III 3.Only I 4. I, II and III
62. Match the following and choose the correct one
|
List-I
|
List-II
|
|
A. Primary visual cortex
|
1. Hypothalamus
|
|
B. Amygdala
|
2. Temporal lobe
|
|
C. Olfactory nerve
|
3. Occipital lobe
|
|
D. Satiety centre
|
4. Medulla oblongata
|
|
|
5. Limbic system
|
1. A-5, B-2, C-3, D-4 2. A-3, B-5, C-2, D-1
3. A-3, B-5, C-2, D-4 4. A-5,
B-4, C-2, D-1
63. Select the response that is not typical of
parasympathetic stimulation
1. Decreased secretion of renin 2. Increase in peristalsis
3. Relaxes bronchi 4.
Dilation of blood vessels
64. Part of human brain responsible for formation and recall of memory is
1. Brain stem 2. Cerebellum
3. Hippocampus 4.
Medulla oblongata
65. Names of collateral ganglia are based on
1. Their
origin from spinal cord 2.
Emergence through intervertebral foramina
3. Location within visceral
organs 4. Arteries
close to their location
66. Following ones are associated with
parasympathetic nervous system
1. 2nd to 4th
sacral spinal nerves 2.
1st to 5thsacral spinal nerves
3.
III, VII and IX thoracic spinal nerves 4.
3rd to 8th cervical spinal nerves
67. ASSERTION (A): Most sympathetic
postganglionic axons are shorter.
REASON (R): Sympathetic trunk ganglia
are nearer to the spinal cord.
1. Both ‘A’ and ‘R’ are true and ‘R’ is correct explanation to ‘A’.
2.
Both ‘A’ and ‘R’ are true but ‘R’ is not correct explanation to ‘A’
3. ‘A’
is true but ‘R’ is false 4.
‘A’ is false but ‘R’ is true
68. Which of
the following does not produce any geneticchanges but once genetic changes
occurred, it favours some genetic changes while rejecting others
1. Natural selection 2.
Genetic drift
3.Mutations 4. Gene flow
69. Following diagram represents a reflex arc.
The incorrect one is
1. A – anterior root of spinal nerve 2. C – muscle spindle (receptor)
3. D – motor end plate
(effector) 4. B –
internuncial neuron in gray matter
70.
Pneumotaxic centre is in
1. Medulla oblongata 2. Inferior
colliculi 3. Cerebrum 4.
Pons varolii
71.
The right and left lobes of cerebral hemispheres of human brain are
interconnected by a tract of nerve fibres called
1)
Corpora striata 2) Crura cerebri 3) Arbor vitae 4) Corpus callosum
72.
The conical portion of spinal cord containing nervous tissue but lies inferior
to lumbar enlargement is called
1)
Posterior funiculus 2) Filum
terminale
3) Conus medullaris 4)
Brain stem
73.
Match the following and choose the correct answer
CRANIAL NERVES INNERVATION
A) Abducens nerve I)
Muscles of tongue
B) Spinal accessory nerve II) Superior oblique
muscles of eye ball
C) Trochlear nerve III)
Ciliary and iris muscles of eye ball
D) Hypoglossal nerve IV) Lateral
rectus muscles of eye ball
E) Occulo motor nerve V) Pharynx and
Larynx
A B C D E A B
C D E
1) IV
V II III
I 2) III
V I II
IV
3)
III V II
I IV 4) IV
V II I
III
74.
Association areas in cerebral cortex are functionally
1)
Sensory areas 2)
Motor areas
3) Both sensory and motor areas 4) Neither sensory nor
motor areas
75.
The following are a list of ganglia present in the nervous system of man
A) Ciliary ganglion B) Coeliac
ganglion C) Pelvic ganglion
D) Sub mandilular ganglion E) Otic ganglion F) Gasserian ganglion
G) Pterygo palatine ganglion H) Vagus ganglion
Among these, select the ganglia of
parasympathetic division
1)
A, B, C and F only 2)
A, D, E and G only 3) A, C, D and F only 4) A, D, E and F only
76.
Arrange the following events of synaptic transmission in their correct order
A) Influx of 
into the bouton
into the bouton
B) Depolarization of presynaptic
membrane
C) Fusion of synaptic vesicles with
presynaptic membrane
D) Depolarization or hyper
polarization of post synaptic membrane
E) Opening of voltage gated channels
voltage gated channels
F) Attachment of neuro transmitter
molecules to receptors on post synaptic membrane
1)
B
EACFD 2)
BACFED 3) BEADFC 4)
BEADCF
EACFD 2)
BACFED 3) BEADFC 4)
BEADCF
77.
Assertion (A): In hyperpolarized condition, the inner side of axolemma becomes
more negative than – 70mv
Reason (R): During hyperpolarized
condition both gates of Na+ channels remain closed, while voltage gated K+
channels are opened
1)
Both
A and R are true and R is the correct explanation of A
2) Both A and R are true and R is
not the correct explanation of A 3) A is true but R is false 4)
A is false but R is true
78.
Which of the following is not effected by sympathetic nervous system.
1)
Dilation of eye pupil and relaxation of bronchi
2) Stimulation of salivary secretion
and increasing of secretion of renin 3) Constriction of blood vessels and slowing
down the rate of heart contraction 4) Increase of peristalisis and promoting
emptying of urinary bladder
79.
Thin and webby membrane covering the brain is called
1)
Duramater 2)
Arachnoid mater 3) Piamater 4) Arbor vitae
80. ASSERTION (A):
Eustachian tube helps in protecting the ear drum.
REASON (R): The
pressure exerted by the waves coming through external auditory meatus, is
equalized by the pressure exerted by the waves coming from buccal cavity into
which Eustachian tube opens into.
1. Both ‘A’ and ‘R’ are true and ‘R’ is
correct explanation to ‘A’.
2.
Both ‘A’ and ‘R’ are true but ‘R’ is not correct explanation to ‘A’
3.
‘A’ is true but ‘R’ is false 4.
‘A’ is false but ‘R’ is true
81. Visual cortex lies in
this part of brain
1. Temporal lobe 2. Occipital
lobe
3.
Optic chiasma 4.
Inferior colliculi
82. Tympanic membrane is a
part of
1. Middle ear 2. Outer ear 3. Inner ear 4.
Eustachian tube
83. Otolith organ comprises of
1. Ampulla and crista 2.
Cochlea and semicircular canals
3. Saccule and
utricle 4.
Ampulla and macula
84. Study the following:
I. Light induces the dissociation of
retinal from opsin.
II.
Retinal is the derivative of vitamin A.
III.
The only photopigment in rods is rhodopsin but three different cone
photopigments are present in retina.
Correct
ones of the above is/are
1. Only I and II 2. Only II and III 3.
Only I and III 4. I, II
and III
85. Proprioceptors occur in
1. Organ of Corti 2. Cochlea
3.
Tympanic cavity 4.
Otolith organ
86. White of
the eye is
1. Iris 2. Sclera 3. Lens 4. Uvea
87. Set of non-vascular
parts of eye is
1. Lens, Cornea 2.
Ciliary body, iris
3. Choroid, cornea 4.
Retina, lens
88. Lysozyme
occurs in
1. Aqueous humour 2.
Vitreous humour
3.
Lacrimal fluid 4.
Ceruminous glands
89. ASSERTION (A): In ear
hair cells present on tectorial membrane are responsible for hearing.
REASON (R): At the
time of hearing, the waves generated in the peri and endolymphs bend hair
cells, pressing them against the tectorial membrane due to which nerve impulses
are generated in the associated afferent neurons.
1. Both ‘A’ and ‘R’ are true and ‘R’ is correct
explanation to ‘A’.
2.
Both ‘A’ and ‘R’ are true but ‘R’ is not correct explanation to ‘A’
3.
‘A’ is true but ‘R’ is false 4.
‘A’ is false but ‘R’ is true
90. Correct pair is
1. Optic disc – No rods but only cones 2. Macula - Vestibule
3.
Scotopic vision – Iodopsin 4.
Tympanic cavity – Fluid filled cavity
91. Which of the following
is a balancing organ?
1. Organ of Corti 2. Cochlea
3.
Vestibular apparatus 4.
Middle ear
92. Incorrect
one of the following regarding human evolution is
1. 1 lakh to 40,000 years ago – Homo neanderthalensis lived is east and central Asia
2. 18,000 years ago – agriculture came thereby human
settlements started
3. 1.5million years ago – Homo
erectus evolved
4. 75,000 to 10,000 years ago – modern man arose in Africa and
moved across the continents
93. Study the following
about human ear
|
List I
|
List II
|
List III
|
|
I. Scala media
|
Filled with endolymph
|
Basilar membrane separates it from scala tympani
|
|
II. Scala vestibuli
|
Filled with perilymph
|
Tectorial membrane separates it from scala media
|
|
III. Scala tympani
|
Filled with perilymph
|
Terminates at round window
|
|
IV. Vestibule
|
Part of bony labyrinth
|
Located just between tympanum and cochlea
|
The correct ones of the above are
1. II, III and IV only 2.
III and IV only
3. I, II and III only 4.
I and III only
94. Following is the
microscopic structure of the retina
Incorrectly labeled one is
1.
A - closest to the vitreous chamber 2. B - Bipolar cell
3. C – Ganglion cell 4. D
– Cone cell
95. Near or far vision in a
normal person is attained by changing the
1. Position of retina 2.
Area of pupil
3.
Shape of lens 4.
Position of cornea
96. Aqueous humor is
secreted by
1. Lacrimal glands 2.
Ciliary processes
3. Iris 4.
Scleral venous sinus
97. ASSERTION (A): The amount of light
entering into the vitreous chamber through the pupil of eye is regulated by
iris.
REASON ( R): The six extra ocular
muscles associated with iris plays crucial role in increasing or reducing the
size of pupil.
1. Both ‘A’ and ‘R’ are true and ‘R’ is
correct explanation to ‘A’.
2.
Both ‘A’ and ‘R’ are true but ‘R’ is not correct explanation to ‘A’
3.
‘A’ is true but ‘R’ is false 4.
‘A’ is false but ‘R’ is true
98. Correct one of the
following is
1. Interoceptors - taste 2.
Frigidoceptors - touch
3.
Exteroceptors - visceroceptors 4.
Proprioceptors – tendons
99. Receptors for gravity present in
1. Cochlea 2.
Vestibule
3. Semicircular canals 4. Middle
ear
100.Match the following and choose the correct one
|
List-I
|
List-II
|
|
A. Fenestra rotunda
|
1. Temporal bone
|
|
B. Crista
|
2. End of scala
vestibule
|
|
C. Fenestra ovalis
|
3. Leads to middle ear
|
|
D. Tympanic cavity
|
4. End of scala tympani
|
|
|
5. Ridge in ampulla
with hair cells
|
1. A-4, B-3, C-2, D-1 2.
A-3, B-5, C-2, D-1
3. A-2, B-5, C-4, D-3 4. A-5,
B-4, C-2, D-1
101. A
Progressive neurologic disease of the brain is a symptom of
1) Stroke 2)
Meningitis 3)
Alzheimer’s disease 4) Cushing’s
syndrome
102. Rapid
loss of brain functions due to disturbance in the blood supply to the brain is
called
1) Parkinson’s disease 2) Cerebro – Vascular Accident 3) Meningitis 4) Alzheimer’s disease
103. Pneumotaxic centre is located at
1)
pons of brain stem 2)
pons of midbrain
3) hypothalamus of forebrain 4) hypothalamus of brain stem
104. Assertion (A) : Lesion of satiety centre in hypothalamus
causes severe hyperphagia that results in morbid obesity.
Reason
(R) : Stimulation of satiety centre causes cessation of eating.
1) Both
(A) and (R) are true and (R) is the correct explanation of (A)
2)
Both (A) and (R) are true and (R) is not the correct explanation of (A)
3)
(A) is true but (R) is false 4)
(A) is false but (R) is true
105. Study the following statements with respect to retina of eye.
I)
Dendrites of bipolar cells synapse with photoreceptors.
II)
Rhodopsin is more sensitive to light than iodopsin
III)
Fobea is responsible for sharp-central vision
Which
of the above are correct?
1)
Only I & III 2) Only
III 3) I, II,
III 4) Only II
& III
106. Choose the correct statement.
1)
Left cerebral hemisphere is the dominant cerebral hemisphere with respect to
language and speech in humans.
2) In the inner ear of human, hair
cells of crista provide a sense of linear acceleration
3) Scala tympani terminates at the
“oval window” which leads to the middle ear in human.
4) When a nerve fibre is stimulated
influx of Na+ is independent of strength of stimulus before
threshold potential
107. A main function of the autonomic nervous system, which consists of
the sympathetic and parasympathetic divisions, is to
1)
Act as an inhibitory system for skeletal muscle
2) Control the activity of a
variety of secretory cells throughout the body
3) Communicate between the two halves
of the brain
4) Initiate the heart beat
108. Suppose you were a neuroscientist and had been given a sample of a
new snake venom. You test its effect on action at a synapse, and find that it
increases the magnitude of the normal depolarizing excitatory response. The most likely explanation for this is that
the venom is
1)
Blocking release of the neurotransmitter from the vesicles
2) Binding with the
neurotransmitter receptors to mimic the action of the neurotransmitter
3) Acting to break-down the
neurotransmitter in the synaptic cleft
4) Preventing the presynaptic action
potential from arriving at the synapse
109. Cranial nerve of human that innervates superior oblique muscles of
eye ball is
1)
Oculomotor 2) Abducens 3) Trochlear 4) Optic
110. Study the following about autonomic nervous system:
Character Sympathetic Stimulation Parasympathetic Stimulation
I)
Type of response Fight or flight Rest and digest
II)
Heart beat Increases Decreases
III)
Pupil Dilates Constricts
IV)
Bronchi Relaxes Constricts
Which
of the above are true?
1)
Only I, III and IV 2) Only I, II and
IV 3) Only I, II and III 4) All are true
111. Sodium-potassium pump transports
1)
Three sodium ions into ECF and two potassium ions into
the cell
2) Three potassium ions into ECF and
two sodium ions into the cell
3) Two sodium ions into ECF and three
potassium ions into the cell
4) Two potassium ions into ECF and
three sodium ions into the cell
112. Assertion (A) : When axolemma is stimulated, it first gets
depolarized and then becomes repolarized
Reason
(R) : When axolemma is depolarized, voltage-gated K+ channels
open more slowly than those of Na+
1) Both (A) and (R) are true and (R)
is the correct explanation of (A)
2)
Both (A) and (R) are true and (R) is not the correct explanation of (A)
3) (A) is true but
(R) is false 4)
(A) is false but (R) is true
113. The following are some events in the transmission of nerve impulse
from one neuron to another neuron
A)
Synaptic Transmission
B)
Graded potential in the postsynaptic neuron
C)
Action potential in the presynaptic neuron
D)
Action potential in the post synaptic neuron
E) Summation in post synaptic neuron.
What
is their correct sequence?
1)
C A D B E 2) A C B D E 3) C A B E D 4) C A B D E
114. Assertion (A) : Troponin and tropomyosin of thin filament of
myofibril are often called regulatory proteins.
Reason
(R) : These proteins play an important role in masking and unmasking the
active sites
1)
Both (A) and (R) are true and (R) is not the correct explanation of (A)
2) Both
(A) and (R) are true and (R) is the correct explanation of (A)
3) (A) is true but (R) is false 4) (A) is false but
(R) is true
115. In brain arbor vitae is the white matter of the
1. ‘Little brain’ 2. ‘Thermostat of body’3. Limbic
system 4. Brain stem
116. Cranial nerve that ends in the lateral rectus muscle of the
eye ball is
1. Trochlear 2.
Abducens 3. Oculomotor 4. Trigeminal
117. ASSERTION (A): Relative
refractive period coincides with the period of hyperpolarisation.
REASON (R): During the hyperpolarisation period, even a very strong stimulus cannot initiate a second action potential.
1. Both ‘A’ and ‘R’ are true and ‘R’ is
correct explanation to ‘A’.
2.
Both ‘A’ and ‘R’ are true but ‘R’ is not correct explanation to ‘A’
3. ‘A’ is true but ‘R’ is false 4. ‘A’ is false but
‘R’ is true
118. An activity related with
flight or flight response of autonomous nervous system is
1. Promotes emptying the urinary bladder 2. Increases peristalsis
3. Dilates blood all vessels 4. Increases
secretion of rennin
119. The limbic system of brain includes
1)
amygdale, hippocampus 2)
hippocampus, hypothalamus
3) amygdale, hippocampus, hypothalamus 4) corpus callosum
120. Choose the charater related to ‘the relay station’ between
cerebellum, spinal cord and rest of brain
1)
it has third ventricle 2)
it is the little brain
3) it has central canal 4) it has
pneumotaxic centre
121. Statement (S): Damage of cerbellum
leads to ataxia of involuntary muscles..
Reason (R): Cerebellum is the gyroscope of the body.
1) Both (S) and (R) are true and (R) is
the correct explanation of (S)
2) (S) is false but (R) is true
3) Both (S) and (R) are true and (R) is
not the correct explanation of (S)
4) (S) is true but (R) is false
122. The development of these structures in human brain indicate peak of
evolution in nervous system
1)
cerebellar cortex, corpus callosum 2)
Hippocampus, Corpora quadrigemina
3) Cerebral cortex, Collossal
commissure 4) limbic system, cerebral
medulla
123. Choose correct combination related to human brain
Part Character Function
a)
Hypothalamus anterior choroid
plexus Osmoregulation
b)
Cerebellum arborvitae control of
respiratory muscles
c)
Medulla oblongata Posterior choroid
plexus Cardio vascular centre
d)
Cerebral cortex gyri and sulci memory and
communication
1)
a, c, d 2) b, c, d 3) a, b, c 4) c, d
only
124. Diocoel and myelocoel are connected by
1)
iter 2) foramina
of Monro 3) foramen magnum 4) central canal
125. Choose incorrect statement about the ‘middle man’ between
receptors and effectors
1)
it is found in the neural canal of back bone 2) its central canal is lined by
ependyma
3) its right and left halves are
separated by dorsal median fissure and ventral median sulcus
4) its white matter is organized into
funiculi
126. The motor nerve originating from pons innervates this muscle of eyeball
1)
inferior oblique 2) superior oblique 3) medial rectus 4) lateral rectus
127. Sacral out flow of parasympathetic division includes preganglionic
fibres of
1)
III, VII, IX cranial nerves 2)
vagus nevve
3) 1st to 4th
sacral spinal nerves 4)
2nd, 3rd and 4th sacral spiral nerves
128. Identify the ganglia with post ganglionic neurons of parasympathetic
and sympathetic division respectively
1)
superior mesenteric, otic 2)
pterygopalatine, coeliac
3) inferior mesenteric, submandibular 4) ciliary, pterygopalatine
129. The cranial nerve which carries motor impulses to muscles tongue is
1)
hypoglossal 2) glossopharyngeal 3) facial 4)
trigeminal
130. The location of cochlear nucleus
1)
floor of myelocoel 2)
junction of pons and medulla
3) near utriculus 4)
near organ of Corti
131. The spinal nerves which form the coccygeal plexus are
1)
4th, 5th sacral and coccygeal nerves 2) first four sacral and coccygeal
nerves
3) first three sacral and coccygeal
nerves
4) first three lumbar and branch of 4th
and 5th sacral nerves
132. Identify correct set of matching
List-I(Cranial
nerve No) List-II(innervated
part)
A)
V i)
pharynx
B)
VII ii)
tongue muscles
C)
IX iii)
salivary gland
D)
X iv)
cardiac muscle
E)
XI v)
muscles of lowerjaw
vi)
muscles of neck
1)
A-v, B-iii, C-i, D-iv, E-vi 2)
A-iii, B-i, C-v, D-iv, E-ii
3) A-v, B-ii, C-iii, D-vi, E-iv 4) A-i, B-iii, C-vi,
D-iv, E-ii
133. Choose correct set of statements about thoracolumbar division
i)
its post ganglionic nerve fibres are cholinergic
ii)
its ganglia form a chain on either side of back bone
iii)
it inhibits the secreton of saliva and renin
iv)
it increases cardiac out put
1)
i, ii, iv 2) ii, iii,
iv 3) ii, iv 4) i, iv
134. The first human – like being with a cranial capacity of 650 - 800 cc
1) Homo habilis 2) Homo erectus 3) Homo
neanderthalensis 4) Homo sapiens
135. Observe the picture given below that is related to nerve impulse
propagation. 
Identify
the stage in which the voltage gated Na+ channel is closed and the K+
channel is open and
even a strong stimulus cannot initiate
the second action potential.
1) C and D 2) E 3)
A and E 4)
D
136. Which of the following is a set of inhibitory neurotransmitters ?
1) epinephrine, serotonin 2) Glycine,
epinephrine
3) Glycine, GABA 4)
dopamine, nor epinephrine
137. Progressive death of neurons leading to loss of intellectual
abilities and memory is a sign of
1) Alzheimer’s disease 2) Parkinson’s disease 3) Meningitis 4) Myasthenia gravis
138. If the ligand – gated channels of post synaptic membrane are
experimentally blocked by introducing certain chemicals into synaptic cleft,
then the impact would be
1)
acetylcholine can bind to post synaptic membrane
2) graded potentials generate in post
synaptic neuron
3) pre synaptic membrane is not
depolarised and neurotransmitter is not released
4) new potential cannot be
generated in post synaptic membrane.
139. Choose correct combination with reference to human eye
Part Character Function
A)
Iris muscle unstriated,
imvoluntary muscle
regulation of entry of amount of
light
into vitreous chamber
B)
Fovea centralis presence of cones
only sharp, central vision
C)
Ciliary processes pigmented,
vascular part secretion of
vitreous humor
D)
Rods with
rhodopsin photopic
vision
1)
A, B only 2) B,C only 3) A,B,C only 4) A,B,D only
140. Choose incorrect statement about ‘Scala tympani’ in human ear
1)
it is separated from scala media by basilar membrane
2) it terminates at the ‘round window’ 3) it is filled with endolymph
4) the waves in its fluid can ripple
the basilar membrane
141. Choose correct combination.
1) Ampulla – otolith organ 2) Basilar
membrane – organ of Corti
3) Reissner’s membrane – cells with
stereocilia 4)
saccule – crista
142. Choose correct set of statements related to the phase of nerve fibre
in which its inner side becomes more negative than the normal potential
i)
the ‘lazy gates’ of nerve fibre open slowly during this phase
ii)
it is the ‘undershoot’ with a potential of about – 90 mv
iii)
the sodium in activation gate is open
iv)
it represents ‘relative refractory period’
1) i , ii, iv 2) iii, iv 3)
ii, iii, iv 4)
ii, iv
143. The visual cortex area of brain is located in
1) superior colliculi 2) inferior colliculi 3) occipital lobe 4)
hippocampus.
144. The mixed cranial serve which is not associated with cranio-sacral
outflow.
1) occulomotor 2) facial 3)
trigeminal 4) spinal
accessory
145. Assertion(A): Damage to little
brain causes ataxia
Reason(R ): Little brain of the
body acts as a gyroscope
1)A
& R are true R explains A 2)A&R
are false
3)A
is true but R is false 4)A
is false but R is true
146. Study the following statements about brain and choose the correct ones
A) Areas that deal with memory and
communication are associative areas
B) Most of the visceral functions
of the body are controlled by hypothalamus
C) Limbic system with hypothalamus
controls expression of emotional behaviour
D) Damage to pons Varolii inhibits
conduction of stimuli between spinal cord and fore brain
1)
only A& B 2) only
A&C 3) only B&C 4) A,B,C & D
147. Choose the correct set from the
following
Cranial nerve/branch Origin Innervation
1)Olfactory Olfactory lobes Nasal epithelium
2)Pathetic Floor of mid brain Superior oblique muscles of eye ball
3)Acoustic Medulla Vestibular nucleus
complex
4)Hypoglossal Tongue muscles Medulla oblongata
148. Choose the correct set from the
following
Organ Sympathetic
N.S Parasympathetic
A)Heart Increases force of Decreases force of contraction
contraction
B)Salivary secretion Increased Decreased
C)Renin secretion Increased Decreased
D)Bronchi Constricted Relaxed
1)A&C 2)A&B 3)B&C 4)B&D
149. Sodium and potassium activation
gates are closed during
1)Resting
phase 2)Depolarisation
3)Repolarisation
phase 4)Hyperpolarisation
150. Wrong statement in the
following with reference to sensory
receptors
1)Accommodation
power of the eye is regulated by muscles of ciliary body
2)Muscles
of the ciliary body are longitudinal smooth muscles
3)The
linear sense of acceleration is perceived by macula of otolith organ
4)Blockage
or haemorrhage of blood capillaries in brain causes CVA
151. Cranial nerves related to parasympathetic
nervous system are
1) V, VII, IX, X 2) III, VIII, IX, X 3) III, VII, IX, X 4) II, VII, IX, X
152. Cranial nerve that innervates lateral rectus
muscles of eye is
1) Oculomotor 2) Abducens 3) Trochlear 4) Optic
153. Which
one of the following is related to the first human-like being.
1) Hunted with sharp stone tools. 2) Cranial capacity was 1400
cc.
3) Walked in eastern Africa about 3 to 4 mya
4) Used hides to protect their body.
154. Removal of which part of brain causes
immediate death?
1) Inferior colliculi 2)
Olfactory lobes
3) Medulla
oblongata 4)
Optic lobes
155. Cyton of the neuron that has direct
contact with salivary glands is present in
1) Anterior mesenteric ganglion 2) Medulla oblongata
3) Grey mater of crus cerebrum 4) Otic ganglion
156. Study the following about autonomic nervous
system
Character Sympathetic Parasympathetic
Stimulation Stimulation
I. Blood vessel Dilates Constricts
II. Gastrointestinal motility Decreases Increases
III. Secretion of digestive enzymes Increases Decreases
IV. Urinary bladder muscle Relaxes Contracts
Which of the above are true?
1) Only II and III 2)
Only I and IV
3) Only II, III and IV 4)
Only II and IV
157. Consider the following statements about the
brain
I. Diocoel communicates with
myelocoel through iter.
II. 1st and 2nd
ventricles communicate with diocoel through foramen Magnum.
III. Pons varolii is non-nervous and
connects the two cerebellar hemispheres
Which of the above statements are
true?
1) Only I and III 2) Only II and III 3) Only I 4) All are true
158. In axon, sodium – potassium pump transports
1) Two sodium ions into
ECF and three potassium ions into the cell
2) Three potassium ions
into ECF and two sodium ions into the cell
3) Three sodium
ions into ECF and two potassium ions into the cell
4) Two potassium ions
into ECF and three sodium ions into the cell
159. From resting state (-70 mV) to the peak of
depolarizing phase potential on the inner side of axolemma rises by
1) 45 mV 2) 115 mV 3) 135mV 4) 105 mV
160. Match the following and choose the correct
combination
List – I List –
II
A. IPSP 1.
Saltatory conduction
B. Action Potential 2.
Depolarization
C. EPSP 3. All
or none
D. Post synaptic potentials 4. Graded
5.
Hyperpolarization
1) A-2, B-3, C-5, D-4 2) A-5.
B-3, C-2, D-1
3) A-5, B-4, C-2, D-3 4)
A-5, B-3, C-2, D-4
161. Assertion (A): During relative refractory
period, a secondary action potential can be initiated by a larger – than –
normal stimulus
Reason (R): During this period
voltage gated Na+ channels remain open and K+ channels
are closed
1) A and R are true and R is the correct
explanation of A.
2)
A and R are true and R is not the correct explanation of A.
3) A is true, R is false. 4) A is false, R is true.
162. Expression of emotional reactions and libido
are regulated by
1) Pons Varolii and adrenal medulla
2) Cerebral cortex and colliculi
3) Limbic system and
hypothalamus
4) Thermostat of the body and corpus
callosum
163. Read the following statements and find the
incorrect
A. Eye muscles receive their
innervations from III, IV and VI cranial nerves.
B. Fovea centralis of retina cannot
form the images.
C. Stapes is found in between fenestra
ovalis and anvil bone.
D. Organ of corti is present on
basilar membrane.
1) A - B 2) B – D 3)
C – D 4) B
only
164. Canal of schlemm lies at the junction of
1) Yellow spot and blind spot 2) Round window
and oval window
3) Scala media and scala tympani 4) Sclera and
cornea
165. The motor cranial nerve associated with cranio
sacral outflow
1)
Occulomotor 2) Trochlear 3) Trigeminal 4) Glosso – pharyngeal
166. The largest and strongest free vertebrae of humans are
1)
sacrum 2) thorasic 3) lumbar 4) cervical
167. Study the following statements
I)
Macula lutea in the centre has only cones
II)
Macula of internal ear is a part associated with semi circular canals
III)
Synapse is a structural gap and a functional bridge
IV)
Memory and communication functions are dealt by association areas of brain
Correct
statements
1)I,
II and IV 2) I, III
and IV 3) II, III and IV 4) I and II
168. Note the following :
a) The dark lines across the muscle
are called intercalated discs (IDs)
b) Thick (myosin) and thin (actin)
filaments are present in sarcoplasm but they are not arranged regularly.
c) Satellite cells which are quiescent
mononucleate and myogenic cells help in regeneration.
d) The excitation of one cell results
in the excitation of all other cells quickly to produce a whole hearted
contraction of the entire muscle as a single unit.
Which of the above are true for
cardiac muscle ?
1) b
and c 2) a and d 3) a and c 4)
d and c
169. Observe the following diagram related to
synaptic transmission and identify the A, B, C, D, E, F and G which are pointed
out in the diagram.
1) B
= Neurotransmitters, E = Synapse, C = Pre synaptic membrane
2) F
= Synaptic cleft, G = Neurotransmitters, A = Receptor
3)
A = Receptor, F = Synapse, B = Synaptic vesicle
4) D
= Pre synaptic membrane, A = Ligand gated channel, E = Synapse
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