Neural Control and Coordination Test

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Neural Control and Coordination Test - 1

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Question 1
4 / -1

Nissl’s granules are absent in :

A
Axon

B
Cyton

C
Dendrite

D
None of these

Solution

Nissl’s grains are mainly present in cyton and dendrite and absent in axons.
These granules are rough endoplasmic reticulum with rosettes of the free ribosome, the site for protein synthesis.
Question 2
4 / -1

Which part of the brain acts as a relay centre to receive and transmit general sensations except for smell :

A
Thalamus

B
Midbrain

C
Hypothalamus

D
Epithalamus

Solution

Thalamus is the part of the brain that acts as a relay center to receive and transmit general sensations except for smell.
It is located in the forebrain superior to the midbrain.
Question 3
4 / -1

Injury localised to the hypothalamus would most likely disrupt

A
Short term memory

B
Coordination during locomotion

C
Executive function, such as decision making

D
Regulation of body temperature
Solution
The hypothalamus performs many functions which are important for the survival and enjoyment of life:
It serves as a link between 'mind' and body and between nervous and endocrine system.
The hypothalamus is responsible for hormone production. The hormone produced by this area govern body temperature thirst hunger, sleep, circulation rhythm, mood sex drive etc. This area of the brain also controls the functioning of the pituitary gland.
Thus, if any injury localised to the hypothalamus it will disrupt the complete regulation of body temperature and other activities.
Question 4
4 / -1

In the prosencephalon, first and second ventricles open into third ventricle by :

A
Foramen of Magnidae

B
Foramen of Magnum

C
Foramen of Ovale

D
Foramen of Monro

Solution

In the prosencephalon, the first and second ventricles open into third ventricles by foramen of Monro. It is the opening that connects the left and right sides of lateral ventricle in brain.
Question 5
4 / -1

Brain cavities are filled with CSF. In subarachnoid space, the CSF plays the following roles :

A
Keeps the brain and spinal cord dry to prevent infection

B
Acts as a shockproof cushion

C
Changes pressure inside cranium in coordination with blood pressure

D
All of the above

Solution

Brain cavities are filled with cerebrospinal fluid (CSF). In subarachnoid space, the CSF acts as shockproof cushion to prevent injury in case of an accident.
Question 6
4 / -1

Among the following correct matches for ear parts and functions are:

A
a)-iv, b)-ii, c)-i, d)-iii

B
a)-ii, b)-i, c)-iv, d)-iii

C
a)-iii, b)-iv, c)-ii, d)-i

D
a)-i, b)-iii, c)-iv, d)-ii
Solution
Cristae present in internal ear is responsible for dynamic equilibrium.
Cerumen is responsible for lubrication and protection.
Organ of corti is responsible for hearing
Maculae is responsible for static equilibrium of the body.
Question 7
4 / -1

The property which doesn’t belong to nerve fibres is :

A
Both elasticity and contractility

B
Only contractility

C
Only elasticity

D
Conductivity and Excitability

Solution

Nerve fibres do not show the property of elasticity and contractility.
Nerve fibres are specialized to transmit impulses form one part of the body to other.
Question 8
4 / -1

Synaptic vesicles discharge _________ at the neuromuscular junction.

A
Adrenaline

B
Estradiol

C
Acetylcholine

D
Testosterone

Solution

The membrane of the discharged synaptic vesicles is subsequently retrieved from the presynaptic plasma membrane by endocytosis. An axon terminal at a neuromuscular junction typically releases a few hundred of its many thousands of synaptic vesicles in a response to a single action potential.
Question 9
4 / -1

Gustatoreceptors are responsible for the sense of :

A
Taste

B
Pressure

C
Touch

D
Pain

Solution

Gustatoreceptors are responsible for the sense of taste. Gustatory receptors are located inside taste buds on the tongue.
Question 10
4 / -1

Hypothalamus helps to maintain homeostasis by controlling hunger, thirst, blood pressure, temperature feelings etc. So it is and important link between

A
Nervous system and Digestive system

B
Nervous system and Respiratory system

C
Nervous system and Circulatory system

D
Nervous system and Endocrine system

Solution

Hypothalamus helps to maintain homeostasis by controlling hunger, thirst, blood pressure, temperature, feeling etc. So, it is important link between nervous system and endocrine system.
Question 11
4 / -1

In the following identify from up to down:

A
Receptor, Effector, White matter, Grey matter

B
Effector, Receptor, White matter, Grey matter

C
Receptor, Effector, Grey matter, White matter

D
Effector, Receptor, Grey matter, White matter

Solution

The reflex pathway comprises at least one afferent neuron (receptor) and one efferent (effectoror exciter) neuron appropriately arranged in a series. The (iii) and (iv) shows gray and white matter.
Question 12
4 / -1

In the process of eye donation, a particular part of a dead man’s eye is stored and grafted on another person’s eye to restore vision. That donated part of the eye is:

A
Retina

B
Lens

C
Cornea

D
Sclera

Solution

Eye donation process involves grafting of cornea of dead man’s eye, which is stored and grafted on another person’s eye to restore vision.
Question 13
4 / -1

Brain stem is the support system of brain and is the collective name for :

A
Medulla, Pons,and Midbrain

B
Hypothalamus, Diencephalon, Cerebellum, and Pons

C
Cerebrum, Mesencephalon, Diencephalon, and Medulla

D
Prosencephalon, Mesencephalon, Pons, and Medulla

Solution

Brain stem is the support system of brain and is the collective name for medulla, pons, midbrain . Brain stem also connect the brain with spinal cord.
Question 14
4 / -1

A region on retina of human eye which is free from rods and cones is :

A
Blind Spot

B
Yellow spot

C
Black spot

D
Fovea

Solution

The optic nerves leave the eye and the retinal blood vessels enter it at a point medial to and slightly above the posterior pole of the eye ball.
Photoreceptor cells i.e. rods and cones, are not present in that region and hence it is called the blind spot.
Question 15
4 / -1

Read the following about neurohypophysis :
i. Neurohypophysis secretes neurohormones.
ii. Oxytocin and ADH are synthesized in neurohypophysis

A
Statement ii) is correct and i) is wrong.

B
Both are correct

C
Statement ii) is wrong and i) is correct.

D
Both are wrong

Solution

Neurohypophysis is not a true endocrine gland which is also called as a posterior lobe or pituitary gland because it is only a hormone storage area that receives hormones from the hypothalamus for release. Oxytocin and vasopressin produced in the hypothalamus are released by posterior pituitary.
So, the correct option is 'D.'
Question 16
4 / -1

Match the following :

A
a)-iii, b)-iv, c)-i, d)-ii

B
a)-iv, b)-ii, c)-i, d)-iii

C
a)-i, b)-iii, c)-iv, d)-ii

D
a)-iii, b)-iv, c)-ii, d)-i
Solution
Unipolar nerves are present in nerves of embryonic stage.
Mixed nerves are found in all the spinal nerves.
Bipolar nerves are present in nerve cells of retina.
Multipolar nerves are present in nerve cells of cerebral cortex.
Question 17
4 / -1

The vestibular apparatus is composed of

A
Semicircular canals and macula

B
Crista ampullaris and otolith organ

C
Crista ampullaris and macula

D
Semicircular canals and otolith organ

Solution

The vestibular apparatus is composed of three semicircular canals and the otolith organ consisting of the saccule and utricle
Question 18
4 / -1

Match the following :

A
a)-i, b)-iii, c)-iv, d)-ii

B
a)-ii, b)-iii, c)-i, d)-iv

C
a)-iii, b)-iv, c)-ii, d)-i

D
a)-iv, b)-ii, c)-i, d)-iii
Solution
Hypophysis is a part of pituitary gland.
Modulator is present in brain and spinal cord.
Receptor is located in sense organs.
Effectors are muscle and glands that bring about movement.
Question 19
4 / -1

Match the following :

A
a)-iv, b)-ii, c)-i, d)-iii

B
a)-i, b)-iii, c)-iv, d)-ii

C
a)-ii, b)-iii, c)-i, d)-iv

D
a)-iv, b)-i, c)-ii, d)-iii
Solution
Motor neuron carry impulse from CNS to effector.
Axon carry impulse away from cyton.
Afferent neuron carry impulse from receptor to CNS.
Dendrite carry impulse towards cyton.
Question 20
4 / -1

The space within cochlea called scala media is filled with ______ .

A
Perilymph

B
Endolymph

C
Labyrinth

D
Epilymph

Solution

The coiled portion of the labyrinth is called Cochlea. The membranes constituting cochlea, the reissner’s and basilar, divide the surrounding perilymph-filled bony labyrinth into an upper scala (vestibule) and a lower scala (tympani).
The space within the cochlea called scala media is filled with endolymph

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Neural Control and Coordination Test - 1

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Neural Control and Coordination Test - 1

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SHARING IS CARING

Question 1

Axon

Cyton

Dendrite

None of these

Solution

Question 2

Thalamus

Midbrain

Hypothalamus

Epithalamus

Solution

Question 3

Short term memory

Coordination during locomotion

Executive function, such as decision making

Regulation of body temperature

Solution

Question 4

Foramen of Magnidae

Foramen of Magnum

Foramen of Ovale

Foramen of Monro

Solution

Question 5

Keeps the brain and spinal cord dry to prevent infection

Acts as a shockproof cushion

Changes pressure inside cranium in coordination with blood pressure

All of the above

Solution

Question 6

a)-iv, b)-ii, c)-i, d)-iii

a)-ii, b)-i, c)-iv, d)-iii

a)-iii, b)-iv, c)-ii, d)-i

a)-i, b)-iii, c)-iv, d)-ii

Solution

Question 7

Both elasticity and contractility

Only contractility

Only elasticity

Conductivity and Excitability

Solution

Question 8

Adrenaline

Estradiol

Acetylcholine

Testosterone

Solution

Question 9

Taste

Pressure

Touch

Pain

Solution

Question 10

Nervous system and Digestive system

Nervous system and Respiratory system

Nervous system and Circulatory system

Nervous system and Endocrine system

Solution

Question 11

Receptor, Effector, White matter, Grey matter

Effector, Receptor, White matter, Grey matter

Receptor, Effector, Grey matter, White matter

Effector, Receptor, Grey matter, White matter

Solution

Question 12

Retina

Lens

Cornea

Sclera

Solution