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Chapter:

90+ Neural Control and Coordination in Animals Solved MCQs

in Biology

These multiple-choice questions (MCQs) are designed to enhance your knowledge and understanding in the following areas: All India Pre Medical Test (AIPMT) .

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Chapter: Neural Control and Coordination in Animals
51.

What is the stiff edge of pinna called ?

A. Tympanum
B. Lobule
C. Fenestra roundata
D. Helix
Answer» D. Helix
discuss
52.

Which of the following option is correct for the correct matched pairs for Column I and II and
Column III
Column - I Column II Column III
(a) aqueous humor (i) Depression on retina (f) origin of opticnerve
(b) Vitreous humor (ii) watery fluid (g) secreted by retina
(c) Blind spot (iii) Absence of sensitive cells (h) presence of cone cell
(d) Fovea (iv) thicfluid (i) secreted by Ciliary body

A. (a - ii-i), (b - iv-g), (c - - ii- f) (d - i - h)
B. (a - I - f), (b, II, i) ( c, III - g) ( d - IV - h)
C. (a - I - i), (b - II- h), (C - II - f), (d - IV- g)
D. None of the given
Answer» A. (a - ii-i), (b - iv-g), (c - - ii- f) (d - i - h)
discuss
53.

Peremability of which of the following increases during depolarization ?

A. Na+
B. K+
C. Mg+
D. Ag+
Answer» A. Na+
discuss
54.

Several statements are given here in reference to cone cells which of the following option indicates all correct statements for cone cells ? Statements
(i) cone cells are less sensitive than Rod cells
(ii) They are responsible for colour vision
(iii) Erythrolobe is photopigment which is sensitive to red colour light
(iv) They are absent in fovea of retina

A. (iii), (ii) and (i)
B. (ii) and (iii) (iv)
C. (iii) and (iv)
D. (i) and (ii) (iv)
Answer» A. (iii), (ii) and (i)
discuss
55.

Which of the following of are main divisions of autonomous nervous system

A. limbic system and Hippocampu
B. Sympathetic and limbic system
C. Sympathetic and para sympathetic
D. Brain and spinal cord
Answer» C. Sympathetic and para sympathetic
discuss
56.

Which of the following option indicates correct chronology of structures of the ear (from outside is inside ) ?

A. cochlearduct - utricule - sacule
B. Saccule - urticule - cochlearduct
C. utricule - saccule - cochlearduct
D. Utricular - cochlearduct - saccule
Answer» C. utricule - saccule - cochlearduct
discuss
57.

Few statements about tympanic membrane are given here which of the following option shows all correct statement for it ?
(i) malleus bone join with it
(ii) it is oval membrane consist of unstriated muscle
(iii) It has cover of skin on its inner side and muscle layer on outerside
(iv) It has upper aperture called fenestra roundata

A. (i)
B. (i) and (ii)
C. (ii) and (iii)
D. (i), (iv), (iii)
Answer» A. (i)
discuss
58.

Which of the following option indicates correct chronology of middle ear ossicle (from Thympanum to interal ear)

A. Incus - malleus - stape
B. malleus - Incus - stapes
C. stapes - malleus - Incus
D. malleus - stapes - Incus
Answer» B. malleus - Incus - stapes
discuss
59.

It is correct for the function of ear ossicle

A. To amplify sound 40 time
B. To amplify sound 20 times
C. To amplify sound 10 times
D. To reduce harmful effect of sound
Answer» B. To amplify sound 20 times
discuss
60.

Which of the following is filled with perilymph ?

A. Area around chochelar ducton outer side
B. In lumen of vestibule
C. In semicircular canal
D. In lumen of sacculus
Answer» A. Area around chochelar ducton outer side
discuss
61.

Which of the following option shows correctly matched groups for the column I, column II and
column III
column I column II column II
(a) multiple sclerosis (i) degeneration of intervetebral disc (e) continous pain in back
(b) Parkinson’s disease (ii) Myelin sheath around nerves is damaged(f) Defect in speech
(c) sciatica (iii) Deficiency of dopomine (g) lack of spontaneous movement

A. (a - i - g), (b - ii- f), (c - i e)
B. (a - ii - f), ( b - iii - g), (c - i -e)
C. ( a - iii - e), ( b - ii - f), (c - i - g)
D. (a - iii- f), (b - ii- e), ( c - i- g)
Answer» B. (a - ii - f), ( b - iii - g), (c - i -e)
discuss
62.

What is ciliary body ?

A. Thick posterior part choroid
B. Thick anterior part of sclera
C. Thick posterior part of sclera
D. Thick anterior part of choroid
Answer» D. Thick anterior part of choroid
discuss
63.

Iris is a continuation of _______

A. ciliarybody
B. choroid
C. Retina
D. None of the given
Answer» A. ciliarybody
discuss
64.

Which type of muscle are present in ciliary body ?

A. Radial & oblique
B. Horizontal & oblique
C. Radial and longitudanal
D. All of the given
Answer» A. Radial & oblique
discuss
65.

What is macula lutea ?

A. A yellow pigmented area with cone cell
B. fovea centralis of retina, with conecells
C. A yellow pigmented area of Choroid with rod cell
D. Blind spot on retina
Answer» B. fovea centralis of retina, with conecells
discuss
66.

which basic Colour Photoreceptors are Present in human eye ?

A. Red Yellow Orange
B. Red green blue
C. Red green Orange
D. green yellow blue
Answer» B. Red green blue
discuss
67.

which of the folliwing has nerve centers for the urge of eating ?

A. Pon
B. Thalamus
C. Hypothalamus
D. mid - brain
Answer» C. Hypothalamus
discuss
68.

Deficiency abnormality of which of the following is responsible for Alzheimer's dlsease?

A. cortisone
B. Acetyl choline
C. Adrenaline
D. nor - eninephrin
Answer» B. Acetyl choline
discuss
69.

What is correct for the “ number ” of vagus Cranial nerve?

A. 6
B. 5
C. 10
D. 12
Answer» C. 10
discuss
70.

At which of the following Structure Sensitivity of retina is highest?

A. Rod cells of Fovea centrali
B. Yellows spot
C. Blind Spot
D. None of the given
Answer» B. Yellows spot
discuss
71.

Which of the following disorder is not hereditary (J.K.C.M.E.E 2005)

A. sickle cell anaemia
B. haemophilia
C. colour blindness
D. cataract
Answer» D. cataract
discuss
72.

Glands responsible for secreting tears are: (H.P.P.M.T 2005)

A. glands of moll
B. lacrimal glands
C. meibomian glands
D. glands of zeis
Answer» B. lacrimal glands
discuss
73.

Which of the following cranial nerves are mixed: (BHU 2007) 1. glossopharyngeal 2. trigeminal 3. vagus 4. auditory

A. 1,2 and 3 are correct
B. 1 and 3 are correct
C. 1 and 2 are correct
D. 2 and 4 are correct
Answer» A. 1,2 and 3 are correct
discuss
74.

To What the resparatory centres of brain are sensitive?

A. High CO2 Conc in blood
B. Blood suppliy to brain
C. High O2 Conc in blood
D. More blood supply to lungs
Answer» A. High CO2 Conc in blood
discuss
75.

Nasal epithelium is formed of : (C.M.C 2003)

A. columnar epithelium
B. keratinised epithelium
C. pseudostratified epithelium
D. glandular epithelium
Answer» D. glandular epithelium
discuss
76.

Space between piamater and arachnoid is (J.K.C.M.E.E 2003)

A. subdural
B. supra archnoi
C. eqidural
D. subarachnoid
Answer» D. subarachnoid
discuss
77.

Which one is mixed nerve

A. oculomotor
B. trochler
C. hypoglossal
D. glossopharyngeal
Answer» D. glossopharyngeal
discuss
78.

Visual area is localised in (A.I.E.E.E 2004)

A. occipital lobe
B. parietal lobe
C. frontal lobe
D. temporal lobe
Answer» A. occipital lobe
discuss
79.

In hypothalamus are located various centres of (J.I.P.M.E.R 2004)

A. circulation
B. sleep
C. memory
D. body tempreature
Answer» D. body tempreature
discuss
80.

Which option is correct for the few statements are given for the function of cerebram, which of few following option is shows all correct statements.
(i) to control the sensitivity,movement,memory,vocabulary etc. through the frontal lobe
(ii) to control the vision and adaptation through the occipital and frontallobes
(iii) to control the contraction of voluntary muscles through the frontal lobe
(iv) to control the temperature,taste,touch,pain etc, through the parietal lobe

A. (i),(ii),(iii)
B. (iii),(iv),(i)
C. (i),(iii),(iv)
D. (i),(ii)
Answer» B. (iii),(iv),(i)
discuss
81.

column I lists the part of the human brain and column II lists the functions. Match the two column and identify the correct choice from those given. (K.C.E.T 2005)
column I column II
a. cerebrum p. controls the pituitary
b. cerebellum q. control vision and hearing
c. hypothalamus r. control the rate of heart beat
d. midbrain s. seat of intelligence
t. maintains body posture

A. (a=s);(b=t);(c=p);(d=q)
B. (a=t);(b=s);(c=r);(d=q)
C. (a=t);(b=r);(c=p);(d=q)
D. (a=t);(b=s);(c=q);(d=p)
Answer» A. (a=s);(b=t);(c=p);(d=q)
discuss
82.

It control auditory reflex

A. pon
B. inferior colliculi
C. pineal body
D. superior colliculi
Answer» B. inferior colliculi
discuss
83.

In the resting state of the neural membrane,diffusion due to concentration gradients,if allowed would drive: (C.B.S.E 2004)

A. Na+ out of the cell
B. k+ into the cell
C. Na+ into the cell
D. k+ and Na+out of the cell
Answer» B. k+ into the cell
discuss
84.

Injury vagus nerve in humams is not likely to affect: (C.B.S.E 2004)

A. gastrointestinal movement
B. cardiac movement
C. tongue movement
D. pancreatic movememt
Answer» C. tongue movement
discuss
85.

undirectional transmission of a nerve impulse through nerve fibre is due to the fact that:

A. sodium pump starts operating only at the cyton and then continues into the nerve fiber
B. nerve fiber is insulated by a medullary sheath
C. neurotransmitters are released by the axon endings
D. neurotransmitters are released by dendrites
Answer» C. neurotransmitters are released by the axon endings
discuss
86.

Which of the following is not strictly considered a part of neuron? (C.P.M.T 1998)

A. dendrite
B. myelin sheath
C. axon
D. Nissle's bodies
Answer» B. myelin sheath
discuss
87.

Centres for sense of smell are located (M.P.P.M.T 1999)

A. cerebellum
B. midbrain
C. olfactory lobes
D. cerebrum
Answer» C. olfactory lobes
discuss
88.

Nerve related to diaphragm is (M.P.P.M.T 1999)

A. trigeminal
B. vagus
C. glossopharyngeal
D. phrenic
Answer» D. phrenic
discuss
89.

Node of ranvier is the place where (C.B.S.E.P.M.T 2002)

A. myelin sheath and neurilemma are discontinuous
B. axolemma is absent
C. axolemma is discontinuous
D. myelin sheath is discontinuous
Answer» D. myelin sheath is discontinuous
discuss
90.

which of the following cranial nerve controls the movement of eye boll ? (B.H.U 2002)

A. trocheclar
B. oculomotor
C. abducen
D. all of the given
Answer» B. oculomotor
discuss
91.

Match the following human spinal nerves in column I with their respective number in column II and choose the correct option (Kerala 2005)
column I column II
P. cervical nerves i. 5 pairs
Q. thorocic nerve ii. 1 pair
R. lumbar nerve iii. 12 pair
S. coccygeal nerve iv. 8 pair

A. (P-iv),(Q-iii),(R-i),(S-ii)
B. (P-iii), (Q-i), (R-ii), (S-iv)
C. (P-iv),(Q-i),(R-ii),(S-iii)
D. (P-ii), (Q-iv), (R-i), (S-iii)
Answer» A. (P-iv),(Q-iii),(R-i),(S-ii)
discuss
92.

How many pairs of spinal nerve are found in human? (Guj C.E.T 2006)

A. 33
B. 32
C. 31
D. 30
Answer» C. 31
discuss
93.

What is Nissl's granule consist of ? (C.B.S.E 2007)

A. DNA
B. RNA
C. protein
D. lipid
Answer» C. protein
discuss
94.

Which of the following is correct for motor nerve? (A.I.E.E.E 2004)

A. trochelar
B. hypoglossal
C. oculomotor
D. All the given
Answer» D. All the given
discuss
95.

Four healthy people in their twenties got involved in injuries resulting in damage and death of a few cells of the following . Which of the cells are least likely to be replaced by new cells ?(C.B.S.E 2005)

A. liver cell
B. osteocytes
C. neurons
D. malpighian layer of the skin
Answer» C. neurons
discuss
96.

One of the examples of the action of the autonomous nervous system is : (C.B.S.E 2005)

A. peristalsis of the intestine
B. knee-jerk response
C. swallowing of food
D. pupillary reflex
Answer» A. peristalsis of the intestine
discuss
97.

Mouth becomes watery when we look at a delocious food due to

A. optic respon
B. olfactory response
C. Hormonal response
D. neural response
Answer» A. optic respon
discuss
98.

Which of the following cranial nerve is not a motor nerve.

A. XII
B. IV
C. II
D. III
Answer» C. II
discuss

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