Neural Control And Coordination Questions

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Neural Control And Coordination Questions

List of neural control and coordination Questions

Question NoQuestionsClass
1Information from the ear first enters the
of the brain
A. Medulla
B. Pons
c. Brain stem
D. Thalamus
2A junction between the axon of a neuron and dendrites of next one is
A. Synaptic cleft
B. Cell junction
c. synapse
D. Channel
3Match the entries in column I with those
in column II and choose the correct
combination from the options given.
Column I
1. Cerebrum and basal
a. Diencephalon ( quad ) ganglia
b. Telencephalon
2. Medulla
3. Cerebellum and pons Myelencephalon
d. Metencephalon
4. Thalamus
A. ( a-4, b-3, c-1, d-2 )
B. ( a-3, b-4, c-1, d-2 )
c. ( a-4, b-3, c-2, d-1 )
D. ( a-1, b-2, c-3, d-4 )
E ( . a-4, b-1, c-2, d-3 )
4Most of the involuntary actions are
controlled by
A. Medulla oblongata
B. Cerebrum
c. Cerebellum
D. Diencephalon
5Cochlea is located in the
A. skin
B. Eye
c. Nose
D. Ear
6When the direction of nerve impulse is reversed, the condition is
A. Axo – Axonic synapse
B. Axo – Dendritic synapse
c. Both of the above
D. None of the above
7A student has problem in reading as he is unable to contract his
A. Suspensory ligament
B. Ciliary muscles
c. Pupil
D. Iriss
8possess both sensory and motor functions.
A. Hypothalamus
B. Thalamus
c. Medulla
D. Cerebrum
9The figure below compares a part of our eye with a part of a photographic
(a) Name the corresponding parts of the eye and the camera shown here that are
comparable in function.
(b) Explain the mode of working and the functions of the parts of the eye mentioned above
10The appetite and satiety centres in the brain of man are located in the region of
A. Cerebral hemisphere
B. Cerebellum
D. Hypothalamus
11Consider the following statements.
(a) Sudden action in response to something in the environment is called
reflex action.
(b) Sensory neurons carry signals from spinal cord to muscles.
(c) Motor neurons carry signals from receptors to spinal cord.
(d) The path through which signals are transmitted from a receptor to a muscle or a gland is called reflex arc. Which of the above statements are
( A cdot(a) ) and ( (b) )
B. (a) and (c)
c. (a) and (d)
D. ( (a),(b) ) and ( (c) )
12Which of the following helps eye to adjust the focal length of the lens?
A. Cornea
B. Iriss
c. ciliary body
D. Retina
13Draw the diagram of human brain Explain its functions.11
14Write the function of the following part
of human eye. Ciliary muscles.
15Select the answer with correct
matching of the structure, its location
and function.
A. Structure – Eustachian tube, Location – Anterior part of internal ear, Function – Equalises air pressure on either sides of tympanic membrane
B. Structure – Cerebellum, Location – Midbrain, Function Controls respiration and gastric secretions
C. Structure – Hypothalamus, Location – Forebrain, Function – Controls body temperature, urge for eating and drinking
D. Structure – Blind spot, Location – Near the place where optic nerve leaves the eye, Function – Rods and cones are present but inactive here.
16The supporting and nutritive cells found in the brain are
A. Ependymal cells
B. Microglia
c. Astrocytes
D. Oligodendrocytes
17The fluid present in the membranous labyrinth of ear is
A. Plasma
B. Endolymph
c. Perilymph
D. Blood
18Meibomian gland are associated with
A. Eyes
B. Ears
c. Reproductive organ
D. skin
19What are the two types of nerves? Write their functions.11
20Which of the following is not related to the autonomic nervous system?
A . Peristalsis
B. Digestion
c. Excretion
D. Memory and learning
21“Brain sand”‘ is found in
A. Thyroid
B. Thymus
c. Pineal body
D. All of the above
22Visual purple is found in
A. cornea
B. Cones
c. Rods
D. Retina
23With the help of a neat and labelled diagram, describe reflex arc.11
24The membrane attached to the hair of
sensory cells of organ of Corti is
A. Basilar
B. Tectorial
C. Reissner
D. None of the above
25is a part of the brain involved in memory, emotion and fear.
A. Amygdala
B. limbic System
c. Thalamus
D. Hippocampus
26Which portion of the basilar membrane vibrates most vigorously in response to high-pitch sounds?11
27Metacoel is the cavity in the
A. Cerebral hemispheres
B. Diencephalon
c. cerebellum
D. Medulla oblongata
28Which labelled structure is responsible
for increasing body temperature as a
result of infection?
( A cdot w )
B. ( x )
( c . mathbf{Y} )
( D )
29Autonomic nervous system controls
A. Voluntary activities
B. Involuntary activites
C. Both A and B
D. None of the above
30The vagus nerve is the cranial nerve,
( mathbf{A} cdot 10^{t h} )
B. ( 9^{text {th }} )
c. 5th
D. 8th
31All are examples of cranial reflexes but
A. Salivation
B. Scratching
c. Blushing
D. Sneezing
32Which part of mammalian brain
controls the muscular co-ordination?
A. Cerebrum
B. Cerebellum
c. Corpus callosum
D. Medulla oblongata
33Which of the following statement is/are
A. Sudden action in response to something in the environment is called reflex action.
B. The path through which the signals are transmitted from a receptor to a muscle or a gland is called reflex
( operatorname{arc} )
C. Motor neurons carry signals from receptors to spinal cord.
D. Both A and B.
34Which of the following statements is correct about reflex arc?
(i). Reflex arcs are efficient quick
(ii). Reflex arcs are evolved for functioning in the absence of true thought processes.
(iii). A reflex arc is a neural pathway that controls reflex action.
A ( . ) (i), (ii) and (iii)
B. Only (i)
c. only (ii)
D. Only (i) and (ii)
35Draw a labelled diagram showing the vertical section of the human brain.
State two functions each of the
cerebrum, cerebellum and medulla oblongata
36Write short note on hindbrain.11
37Area of coming together of two neuron
ends or between a dendron and axon
ends is?
A. Junction
B. Synapsis
c. synapses
D. synapticula
38Draw a schematic diagram to show the components of a reflex arc. Use arrows to indicate the flow of impulse.11
39Power of regeneration is lowest in
( mathbf{A} ). Brain cell
B. Liver cell
c. Bone cell
D. Muscle cell
40Which one feature is correctly
A. Salivary glands – secretes saliva – replication
B. Pupil of the eyes – dilate – constricts- regulates entry of light
C. Heart rate – decreases – tachycardia
D. Intestinal peristalsis – stimulates – inhibits – heart rate
41Protein found in eye lens is
A. Crystallin
B. Collagen
c. opsin
D. Rhodopsin
42Which of the following are true about the brain?
(a) The main thinking part of brain is hindbrain.
(b) Centres of hearing, smell, memory, sight etc., are located in forebrain.
(c) Involuntary actions like salivation, vomiting, blood pressure are controlled
by the medulla in the hindbrain.
(d) Cerebellum does not control posture
and balance of the body.
A. (a) and (b)
B. (a), (b) and (c)
( c cdot(b) ) and ( (c) )
D. (c) and (d)
43The third ventricle of the brain is
situated in the
A. Base of telencephalon
B. Roof of metencephalon
c. Roof of diencephalon
D. Base of myelencephalon
44High frequency sound waves vibrate basilar membrane
A. Near helicotrema
B. In middle of cochlea
C. From oval window to helicotrema
D. Near oval window
45Simple two neuron reflex arc involves
A. Sensory neuron
B. Spinal cord
C. Effector neuron
D. All of the above
46Which of the following is mismatched?
A. Semicircular canals-inner ear
B. Utride and saccule – outer ear
c. Auditory canal – outer ear
D. ossicles – middle ear
47Which nerve is called as dentist’s
A . Facial
B. Trigeminal
c. vagus
D. Hypoglossal
48The visual purple is concerned with
A. Bright light
B. Dim light
c. Moderate light
D. Darkness
49Pharynx is connected with tympanic
cavity through
A . Glottis
B. Gullet
c. Eustachian tubes
D. Internal naress
50Which of the following is correct?
A. Spinal cord is a part of central nervous system.
B. Nerves are continuous fibres.
C. Reflexes are not controlled by nerves.
D. None of the above.
51Non-myelinated nerve fibres occur in
A. Cranial nerves
B. Autonomic nerves
c. optic nerves
D. Spinal nerves
52On nerve fibres, to prevent leakage of an impulse, a layer of ( ldots ldots ) is found.
A. Rod cells
B. Neurilemma
c. Axons
D. Myelin sheath
53Q Type your question. ( sqrt{0} ) ” ( y )
( mathbf{A} )
( B cdot 2 )
( c cdot 3 )
( D cdot 4 )
E. None of the above
54Which of the following statement is/are
(i) Sudden action in response to something in the environment is called
as a reflex action.
(ii) Sensory neurons carry signals from the spinal cord to muscles.
(iii) Motor neurons carry signals from receptors to the spinal cord.
(iv) The path through which signals are transmitted from a receptor to a muscle or a gland is called as reflex arc.
A ( cdot ) (i) and (ii)
B. (i) and (iii)
c. (i) and (iv)
D. (i), (ii) and (iii)
55Name the parts of human forebrain
indicating their respective function
56The receptors are found to be located in
A. Stomach
B. Brain
c. spinal cord
D. sense organs
57Centrosome includes a pair of
centrioles that help in cell division by spindle formation. The non-dividing cells in human are
A. Chondrocytes
B. Epithelial cells
c. Neurons
D. Neuroglial cells
58Arrangement of ear ossicles, starting from ear drum is
A. Stapes, malleus, incus
B. Malleus, incus, stapes
c. Incus, stapes, malleus
D. Stapes, incus, malleus
59The midbrain is the part of
A. Metencephelon
B. Telencephelon
c. Mesencephelon
D. Diencephelon
60The area where medullary sheath is absent in the nerve fibre is
A. Nissl granules
B. Schwann cells
c. Node of Ranvier
D. Schwann node
61Given appropriate biological/ technical terms for the following:
The antiseptic substance in tears.
62What does a neuron look like?11
63A condition of extreme mental and
usually motor excitement, hallucinations and marked
rapid confusion are the symptoms of
A. Wernicke’s disease
B. Delirium tremens
c. Jolliffe’s encephalopathy
D. Korsakoff’s syndrome
64The “butterfly” like structure surrounding the central region of human’s spinal cord is called as
A. Funiculus
B. Horn
c. White matter
D. Grey matter
65is a decrease in the
response to an ongoing stimulus.
A. perception
B. visual accommodation
c. sensory adaptation
D. both (b) and (c)
66Spinal reflex is located in the
A. Nerves
B. Brain
c. Epithelial lining
D. Spinal cord
67Crus cerebri is located in
A. Forebrain
B. Hindbrain
c. Midbrain
D. None of the above
68Overall nerves slow down the body and divert energy to digestion and other basic housekeeping tasks; and nerves slow down housekeeping tasks and increase overall activity, in times of heightened awareness or excitement.
A. Autonomic; Somatic
c. Parasympathetic; sympatheticç
D. Peripheral; Central
69Twelve pairs of ribs and twelve pairs of cranial nerves are found in
A. Fish
B. Frog
c. Lizard
D. Man
70Find out the word pair relation and fill in the blanks.
Cerebrum – Thought
Cerebellum –
71Ventricles of brain are lined by the cells known as
A. Ependymal cells
B. Nerve cells
c. Neuroglia
D. Schwann’s cells
72Define reflex arc and its component.11
73Describe reflex action and reflex arc11
74Function of ciliary muscles is
A. To contract pupil when one move in sunlight
B. To keep valve in position
C . To rotate eye ball
D. To change shape of lens
75Structure which maintains the shape of the eye ball and the area of no vision.11
76Reflex arc located in the brain is called
A. Somatic reflex
B. Cerebral reflex
c. Autonomic reflex
D. Both A and B
77Which part is not included in Cochlear
A. Tectorial membrane
B. Macula of utricle
c. Scala media
D. Reissner’s membrane
78Describe the role of rods and cones in
visual perception.
79The figure depicting neuron is given The correct identification of labels I, II
III and IV respectively is
A . I- Dendrite, , I- Cell body, III-Axon, IV- Synaps
B. I- Dendrites, Il- Nucleus, II- Axon, IV- Axon endings
C. I- Axon, II- Nucleus III- Dendrites, IV- Axon endings
D. I- Dendron, II- Cell body, II- Axon, IV -Dendrites
80The diagram given below is a representation of a certain phenomenon pertaining to the nervous system. Study the diagram and answer the following questions.
(i) Name the phenomenon that is being depicted.
(ii) Give the technical term for the point
of contact between the two nerve cells.
(iii) Name the parts 1,2,3 and 4
(iv) Write the functions of parts 5 and 6
(v) How does the arrangement of neurons in the spinal cord differ from
that of the brain?
81Write in proper sequence the name of
all the parts of the human eye through which the light rays coming from an object pass before they form an image
on the retina.
82Put the following parts of a reflex arc in the correct order beginning with the
sensory receptor:
(A) Motor neuron
(B) Interneuron
(C) Effector
(D) Sensory neuron
(E) Sensory receptor
A ( cdot(E)(D)(B)(A)(C) )
B. ( (E)(D)(A)(B)(C) )
c. ( (A)(B)(C)(D)(E) )
D. ( (A)(E)(D)(B)(C) )
83The pigment found in rods is
A. Rhodopsin
B. Melanin
c. Photosin
D. Keratin
84Find out incorrect statement:-
A. Brain box is formed of 8 bones
B. In skull the frontal bone is single
C. A single U-shaped bone present at the base of the buccal carity is quadrate
D. Hyoid bone is the part of skull
85Name the area of the retina which
contains only cones and no rods.
86Statoreceptors are located in
A. Cristae
B. Maculae
c. Both A and B
D. cochlea
87Name the part of the brain that
performs following functions:
Maintaining posture

Sensation of hunger

88Semicircular canals in vertebrate
are responsible for
A. Detection of change of atmospheric pressure
B. Orientation of animal with regard to sunn
c. Maintenance of balance when the organism is in motion
D. Regulation of speed of animal
89The given diagrammatic representation of reflex action shows knee jerk reflex.
Identify the parts labelled as ( A ) to ( E ) and
select the correct option.
A. A – Dorsal root ganglion, B – White matter, C – Grey matter, D – Afferent pathway, E – Efferent pathway
B. A – Dorsal root ganglion, B – White matter, C – Grey matter, D – Efferent pathway, E – Afferent pathway
C. ( A ) – Ventral root ganglion, ( B ) – Grey matter, ( C ) – White matter, D – Efferent pathway, E – Afferent pathway
D. A – Ventral root ganglion, B – White matter, C – Grey matter, D – Efferent pathway, E – Afferent pathway
90How many pairs of cranial nerves originate from the brain of rat?
A . 12
B. 8
( c cdot 9 )
D. 1
E. 10
91Deformation of sensory dendrites is required to establish a nerve impulse in
all of the following except
A . gustatory hair cells
B. organ of Corn
c. Pacinian corpuscles
D. lateral line organs
92The figure below is the sectional view of
a part of the skull showing a sense
(i) Name the sense organ.
(ii) What are the parts labelled “m”, “i”
and “s”? What do these three parts
constitute collectively?
(iii) What do you call the part shown in the form of a spiral? What is its function?
(iv) Name the part labelled “tm”? What
is its function?
93Which cells do not form layer and
remain structurally separate?
A. Epithelial cells
B. Muscle cells
c. Nerve cells
D. Gland cells
94A boy running, children fighting in the ground, baby chewing food are movements caused by growth.
A. True
B. False
95In chapter 1 you read that snakes do not
have external ears. Can the snake hear
the been or does it dance when the
moves? What do you think?
96The myelin sheath around the axon is
produced by which type of neurogical
A. Satellite glial cells
B. Radial glial cells
c. Dendrocytes
D. Schwann cells
97Different type of reflex arc
A. Somatic Reflex arc
B. Visceral Reflex arcc
c. Both A and B
D. None of these
98The space between the lens and the
cornea of the human eye is
A. Vitreous chamber
B. Anterior chamber
c. Retina
D. Iriss
99Which of the following structure of eye can be artificially implanted?
A. Cornea
B. Lens
c. Retina
D. Cornea and lens both
100Myelin sheath is a layer covering
A. A nerve fibre in a vertebrate
B. A chick embryo
c. A muscle fibre in a vertebrate
D. None of the above
101Myelin sheath is derived from
A . Neuroglial cells
B. Schwann cells
c. Nerve cells
D. All of these
102The inner ear also contains a complex
system called ….A… located above the
( dots .8 dots )
Fill the blank ( A ) and ( B ) with the correct
A. A – Vestibular apparatus, B – Cochlea
B. A – Cochlea, B – Vestibular apperatus
c. A – otolith organ, B – Semicircular canal
D. A – Crista ampullaris, B – Semicircular canal
103Describe briefly the structure of a nerve
104The delay in transmission from the
dorsal to the ventral root across the
spinal cord for the reflex pathways’ ( A ) ‘, B’, ‘D’ and ‘C’ respectively is 0.5 ms,1.0 ( mathrm{ms}, 1.5 mathrm{ms}, ) and ( 2.0 mathrm{ms} ). Identify the correct option: (Average synaptic delay ( =0.5 mathrm{ms} )
A. A=monosynaptic, B=bisynaptic, C=trisynaptic
B. A=monosynaptic, B= trisynaptic, D=bisynaptic
c. A=monosynaptic, C=trisynap tic, D=quadrisynaptic
D. A=monosynaptic, D=trisynaptic, C=quadrisynaptic
105An infant was having a sound sleep, he suddenly woke up with the noise of the drums outside. Which receptor in the infant is responsible for the detection of
the sound?
A. Gustatory receptor
B. Auditory receptor
c. olfactory receptor
D. None of the above
106Malleus is formed by modification of articular bone of lower vertebrates,
while incus is modification of
A. Quadrate
B. Jugal
c. Hyomandibularis
D. Both A and B
10746. The sense of balance is achieved
by :
(1) Cerebrum equilibrium
(2) Thalamus equilibrium
(3) Cerebellum equilibrium
(4) Spinal chord equilibrium
108Explain reflex arc with diagram.11
109Centre of autonomic nervous system is located in
A. Hypothalamus
c. Cerebellum
D. Both A and B
110Enlist the number and names of motor
cranial nerves in a human being?
111Which of the following is not a function of neuron?
A. Receive information
B. Conduct a signal
c. Form the myelin sheath
D. Co-ordinate metabolic activities
112( widehat{n} )
Q Type your question
and function
( A cdot a )
( B . )
( mathbf{C} )
113‘Nodes of Ranvier’ are found in
( A ). Brain
B. Heart
( c cdot ) Axon
D. Eye
D in the given figure and match the
correct names from the list (i – viii)
given below.
(i) Reissner’s membrane
(ii) Basilar membrane
(iii) Tectorial membrane
(iv) Organ of Corti
(v) Hair cells
(vi) Ototlith organ
(vii) Scala media
(viii) Scala vestibuli
A. ( A-(text { ii) }, B-(v), C- ) (iii), D – (i)
B. A – (vii), B – (iv), C – (ii), D – (iii)
C. ( A-(v text { ii }), B-(i v), C-(i), D-(i i) )
D. ( A-(v text { ii }), B-(v i), C-(i), D- ) (iii)
115Which one of the following reflex do not include innervation of brain?
A. Spinal reflex
B. Cranial reflex
C. Afferent reflex
D. Efferent reflex
116The role of the axon is to
A. Integrate signals from the dendrites
B. Release neurotransmitter
C. Conduct the impulse to the synaptic terminal
D. Synthesize cellular components
117Brains can work 24 hours a day with no
A . True
B. False
118Transformation of light energy into nerve impulse is a
A. Mechanical process
B. Physical process
c. chemical process
D. Biochemical process
119In the rabbits, the muscles which move
the pinnae are
A. Absent
B. Vestigial
c. Non-functional
D. Functional
120Name the ear ossicles in the order
of arrangement in humans.
121Respiration is controlled by
A. Medulla oblongata
B. Cerebellum
c. Hypothalamus
D. Cerebrum
122Blind spot in the eye is located
A. In the centre of pupil
B. In the centre of lens
c. In fovea centralis
D. Where optic nerves leaves retina
123Observe the reflex arc pathway shown in
the flow the chart given below. Which of
the following is represented by ( X ) and ( Y ? )
hline multicolumn{2}{|l|} {multirow{2}{*} { Hot plate ( rightarrow ) Receptors }text { Hot plate } rightarrow text { Receptors }} \
cline { 2 – 3 } & \
hline Response & Effectors \
A. ( x ) – Brain, Y – Sensory neuron
B. X – Spinal cord, Y – Motor neuron
c. ( x ) – Brain, ( Y ) – Motor neuron
D. ( x ) – sensory neuron, Y – spinal cord
124The cyton of reflex in central nervous
system and autonomal nervous system
A. Sensory
B. Mixed
c. Motor
D. All of the above
125Neuroglia cells differ from neurons in having
A. No Nissi’s granules
B. No radiating processes
c. No cyton
D. No nucleus
126Human eye lens is
A. Spherical and can be moved forward
B. Biconvex and cannot be moved forward.
C. Spherical and cannot be moved forward.
D. Biconvex and can be moved forward
127Draw and label the mechanism of reflex
128The fluid present in the anterior part of the eye in front of the eye lens is11
129Which is the correct match?
A. Dendrite – Accepts signal / stimulus
B. Dendrite – Sends signal / stimulus
C. Axon-Smallest part of neuron
D. Synaptic knob – Present at the end of dendron
130Which of the following is not related to light perception?
A. Choroid
B. Rhodopsin
c. Lens
D. Perilymph
131Which of the following is not a reflex action?
A. Salivation
B. Sweating
c. Withdrawal of hand when pinched by needle
D. None of these
132What are neurotransmitters?
A. Transmit signals across synapse.
B. Transmit signal in the cell body.
C. Take the signal to the axon.
D. None of the above.
133Nissl granules are found in cyton of nerve cells. These have affinity for basic dyes. The granules are made up of
A. Mitochondria
B. Cell metabolites
c. Fat granules
D. Ribosomes
13448. The seat of intelligence is situat-
ed in the
(1) cerebrum (2) cerebellum
(3) medulla (4) thalamus
135Fill in the blanks with appropriate
Watery fluid present inside the internal
ear is known as
136The function of an axon is
A. Transformation of nerve impulse
B. Reception of stimuli from neurons
C. Reception of external stimuli
D. Conduction of nerve impulse
137What constitutes brain stem?11
139The reflex arcs in which one or more
interneurons connect the afferent and
efferent signals are
A. Autonomic reflex
B. Somatic reflex
c. Monosynaptic reflex
D. Polysynaptic reflex
140The enlargement at one end of each semicircular canal is known as
A . Lagena
B. Utriculus
c. Ampulla
D. sacculus
141Compared to other animals, the ability of speech has developed more in humans. Mainly development of which organ is responsible for this?
A. Mouth
B. Heart
c. Tongue
D. Brain
142Choose the correct answer from the
alternatives given. To which of the following organ/blood is supplied by the internal carotid artery?
A. Kidney
B. Liver
c. Heart
D. Brain
143Reflex action is
A. Stimulus – -> sensory neuron – -> spinal cord – -> motor neuron – -> response
B. Stimulus – -> motor neuron – -> sensory neuron – ->
C. Reception – -> motor neuron – -> sensory neuron – ->
D. Sensory neuron – -> stimulus – -> motor neuron – -> response
144Epiphysis cerebri and hypophysis are found attached with
A. Forebrain
B. Midbrain
c. Hindbrain
D. None of the above
145Neuroglial cells are associated with the
A . Heart
B. Kidney
c. Brain
D. Eyes
146Which part of our body helps us in maintaining the body balance? Answer briefly.11
147Which of the following structures is not related to body balance?
A. Maculae
B. Crista
c. organ of Corti
D. Ampulla
148The sequence of a reflex arc is
A. Receptor ( rightarrow ) Sensory neuron ( rightarrow ) Motor neuron ( rightarrow ) Effector ( rightarrow ) Response
B. Effector ( rightarrow ) Sensory neuron ( rightarrow ) Motor neuron ( rightarrow ) Receptor ( rightarrow ) Response
C. Effector ( rightarrow ) Motor Neuron ( rightarrow ) Interneuron ( rightarrow ) Receptor ( rightarrow ) Response
D. Receptor ( rightarrow ) Motor neuron ( rightarrow ) Sensory neuron ( rightarrow ) Effector ( rightarrow ) Response
149No image formation occurs on blind-
spot of retina because
A. It is not present of the optical axis of the eye.
B. Here, cones and rods are absent.
C. On this part, only cones are present
D. The nerve fibres of this region do not contribute in the formation of optic chiasma.
150During reflex the sensory neurons do not pass directly to the brain.
A. True
B. False
151During the course of evolution, which part of the brain has shown maximum increase in size.
A. Midbrain
B. Forebrain
c. Hindbrain
D. All of the above
152The external ears of mammals
A. Are also called pinnae
B. Are absent in monotremes
C. Can be moved in various direction by many mammals
D. All of the above
153Assertion: In man, only peripheral
nervous system is present.
Reason: The peripheral nervous system
includes nerves coursing between the
central nervous system and different
parts of the body.
A. If both the assertion and the reason are true and the reason is the correct explanation of the assertion
B. If both the assertion and the reason are true and the reason is not the correct explanation of the assertion
C. If the assertion is true and the reason is false
D. If both the assertion and the reason is false
E. If the assertion is false but the reason is true
154Scala vestibuli is connected with
A. Fenestra rotundus
B. Fenestra ovalis
c. Scala tympani
D. Scala media
155The center of reflex arc is
( A ). Brain
B. Spinal cord
c. Neuron
D. Stimulus
156Which of the following statements is
not true about brain?
A. The main thinking part of brain is hind brain.
B. Centres of hearing, smell, memory, sight etc. are located in fore brain
C. Involuntary actions like salivation, vomiting, blood pressure are controlled by the medulla in the hind brain.
D. None of the above.
157The diagram given shows the internal structure of a spinal cord depicting a phenomenon. Study the diagram and answer the question. Name the parts numbered 1,2 and 311
158Which of the following occurs in simple
reflex arc?
A. The sensory neuron synapses directly with the motor neuron
B. Sensory and motor neurons can synapse outside of the spinal cord
C. Sensory neurons synapse in the brain
D. The motor response occurs without synaptic delay
E. A minimum of three neurons must participate
159What is reflex action?11
160Name the smallest bone in the human
161ldentify the unlabelled part of the
A. Reflex arc
B. Impulse
C. Motor neuron
D. None of the above
162The reflex arc which is made of two
neurons is known as
A. Monosynaptic reflex arcc
B. Disynaptic arc
c. Polysynaptic reflex arc
D. Asynaptic reflex arcçç
163Draw neat labelled diagrams of lateral view of human brain.11
164Briefly explain the reflex action11
165Which is the correct sequence of the
components of a reflex arc?
A. Receptors ( rightarrow ) muscles ( rightarrow ) sensory neuron ( rightarrow ) motor neuron ( rightarrow ) spinal cord
B. Receptors ( rightarrow ) motor neuron ( rightarrow ) spinal cord ( rightarrow ) sensory neuron ( rightarrow ) muscle
C. Receptors ( rightarrow ) spinal cord ( rightarrow ) sensory neuron ( rightarrow ) motor neuron ( rightarrow ) muscle
D. Receptors ( rightarrow ) sensory neuron ( rightarrow ) spinal cord ( rightarrow ) motor neuron ( rightarrow ) muscle
166Assertion: Myelinated nerve fibre are enveloped with Schwann cells, which form a myelin sheath around the axon Reason: Unmyelinated nerve fibre is not enclosed by a Shwann cell and hence does not form a myelin sheath around the axon
A. If both assertion and reason are true and the reason is the correct explanation of the assertion
B. If both assertion and reason are true but reason is not the correct explanation of the assertion
c. If assertion is true but reason is false
D. If both assertion and reason are false
167Ear drum is
A. Tensor tymphani
B. Scala tympani
C. Tympanic membrane
D. Scala vestibuli
168Which one of the following statements
is correct?
A. Neither hormones control neural activity nor neurons control endocrine activity.
B. Endocrine glands regulate neural activity, but not vice versa.
C. Neurons regulate endocrine activity, but not vice versa.
D. Endocrine glands regulate neural activity, and nervous system regulates endocrine glands.
169The – …… coordinates the movement of the
voluntary muscles.
170What used to be described as Nissi
granules in a nerve cell are now identified as?
A. Cell metabolites
B. Fat granules
c. Ribosomes
D. Mitochondria
171Name the part of the internal ear that
is concerned with the maintenance of
172Which part of lens in human eye is helpful in adjustment of focal length?
A. Cornea
B. Mucus
c. ciliary body
D. conjunctiva
173The most appropriate definition for neuroglial cells are that, they
A. Nonsensory supporting cells
B. Secretory cells
c. sensory cells
D. Sensory and supporting cells
E. Nonsensory supporting or secretory cells
174Which of the following is not a part of hindbrain?
B. Thalamus
c. Cerebellum
D. Pons
175In comparison with other cells, nerve cells show a higher degree of
A. Metabolism
B. Growth
c. contractility
D. Irritability
176Reflex action immediately involves
A. Spinal cord
B. Cerebellum
c. Medulla oblongata
D. optical lobe
177The membrane which covers the brain
and the spinal cord is
A. White matter
B. Grey matter
c. Peritonium
D. Meninges
178Vestibule is constituted by
A. Semicircular canals and utriculus
B. Sacculus and utriculus
C. Sacculus and ampullae
D. Ampullae and lagena
179Sensory cells are found in which part of
A. Cornea
B. Pupil
c. Retina
D. Choroid
180Name the body part which have division-less cells.
A. Brain
B. Lungs
c. Kidney
D. Stomach
181Put the following parts of a reflex arc in the correct order beginning with the
sensory receptor.
A. Motor neuron
B. Interneuron C.
D. Sensory neuron
E. Sensory
( A cdot E, D, B, A, C )
B. E, D, A, B, C
c. А, В, С, D, Е
D. A, E, D, B, C
182A place where a signal passes from one nerve cell to next is described as
A. Synaptic cleft
B. Synapsis
c. synapse
D. Symport movement
183Long answer type question:
Explain the mechanism of reflex action
with the help of an example.
184Myelin sheath is formed by
A. Ranvier cells
B. Muscle cells
c. Schwann cells
D. Axon
185Which one is used in balancing?
A. Organ of cortit
B. Vestibular region
c. Middle ear
D. cochlea
186The site from where the nerve impulse for hearing originates in mammals is
A. Ear ossicles
B. Cochlea
c. Tympanum
D. Vestibule
187is the functional and structural
unit of the nervous system.
A. Neuron
B. Nephron
c. Cerebrum
D. Cerebellum
188Where are reflex arcs formed?
( A ). Brain
B. Spinal chord
c. Muscle
D. skin
189Which of the following body part has more number of bone that others?
A. Skull
B. Chest
c. Forelimb
D. Pelvis
190The bony labyrinth is filled with
A. Endolymph
B. Synovial fluid
c. Perilymph
D. Humour
191What is a Reflex Arc? Draw a flowchart
showing of events which occur during sneezing.
192In reflex action, the reflex arc is formed
A. Brain ( rightarrow ) spinal cord ( rightarrow ) muscles
B. Receptor ( rightarrow ) spinal cord ( rightarrow ) muscles
c. Muscle ( rightarrow ) receptor ( rightarrow ) brain
D. Muscles ( rightarrow ) spinal cord ( rightarrow ) receptor
193The two cerebral hemispheres are joined together by
A. Corpora quadrigemina
B. Corpus callosum
c. corpora striata
D. Rhinal fissure
194The second cranial nerve is
A. Optic
B. Trigeminal
c. olfactory
D. Abducens
195Sensory crista of ampulla of mammalian ear is connected with
A. Sense of balance
B. Sense of low hearing
c. Sense of loud hearing
D. Secretion of ear wax
196The sympathetic nervous system
A. Constriction of the pupil
B. Decreased heart rate
C. Increased gastric secretion
D. Reduction of adrenaline secretion
E. Increased respiration
197Pharynx and middle ear are interconnected by
A. Tympanic canal
B. Eustachian canal
c. cochlear canal
D. Vestibular canal
198Find the odd one. Write down the
common features of others.
(a) Dendrite, Dendron, Axon, Nephron.
(b) Epilepsy, Parkinson disease, Mumps, Alzheimer disease.
(c) Melatonin, Insulin, Glucagon,
199The cavities of brain are lined by
A. Cuboidal cells
B. Polygonal cells
C. Ependymal cells
D. simple squamous cells
200Histiocyte of brain is a
A. Reticular cell
B. Microglial cell
c. Hessel’s granule
D. Monocyte
201In a neuron, Schwann cells occur in
associated with
( A cdot A times O n )
B. Soma
c. Dendrite
D. Axon hillock
202Give scientific term for adjustment of the eye in order to obtain a clear vision
of objects at different distances.
203Cells of Deiters occur in
A. Utriculus
B. Retina of eyes
c. Organ of Corti
D. Sebaceous glands
204Aqueduct of Sylvius occurs in
A . Heart
B. Eye
c. Brain
D. Ear
205Choose the incorrect statement for
Autonomic nervous system.
A. Acts on skeletal muscles
B. Acts on smooth muscles
C. Consists of ganglia formed by pre and post ganglionic neurons
D. Consists of sympathetic and parasympathetic nervous system
206Which one of the following pairs of structure is correctly matched with their correct description?
A. Tibia and radius – Both form parts of knee joint
B. Cartilage and cornea – No blood supply but do require oxygen for respiratory need
c. shoulder joint – Gliding type of joint
D. Premolars and molars – 20 in all 3-rooted
207Eustachian tube connects
A. Pharynx with middle ear
B. Middle ear with internal ear
C. Middle ear with external ear
D. External ear with internal ear
208Name the part of the neuron, where
information is acquired.
( A cdot A times O n )
B. Dendrites
c. Synapse
D. Schwann cells
209Which is the correct sequence of the
components of a reflex arc?
A. Receptors – Muscle – Sensory neuron – Motor neuron Spinal cord
B. Receptors – Motor neuron – Spinal cord – Sensory neuron – Muscle
C. Receptors – Spinal cord – Sensory neuron – Motor neuron- Muscle
D. Receptors – Sensory neuron – Spinal cord – Motor neuron – Muscle
210Part of the brain acting as relay centre
A. Thalamus
B. Hypothalamus
D. Pituitary
211receptors are responsible for the detection of taste.
A. Gustatory receptors
B. Olfactory receptors
c. Auditory receptors
D. Both A and B
212Statements ( (A, B, C, D) ) in column I have
to be matched with statements ( (p, q, r, s) )
in column II.
( mathbf{A} )
( A-q, B-t, C-p, D-r )
B. A-r, B- t, C- p, D- q
C. ( A-t, B-p, C-r, D-q )
D. ( A-r, B-t, C-q, D- )
213Crus cerebri is found in
A. Hind brain
B. Fore brain
c. Mid brain
D. spinal cord
214Closing both the eyes when a torch light is flashed on one eye is a part of
A. Reflex action
B. Chemotropism
c. Hormonal control
D. None of these
215Epiphysis is connected with
A. Brow spot in embryo
B. Hypophysis
c. Optic lobes
D. None of the above
216The outer membrane that covers brain
A. Myelin Sheath
B. Duramater
c. Arachnoid membrane
D. Piamater
217The vascular layer of the eye is
A. Choroid
B. Sclera
c. cornea
D. Retina

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