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What is the correct answer?

4

The 8th cranial nerve of frog is

A. auditory

B. optic

C. olfactory

D. glossopharyngeal

Correct Answer :

A. auditory


Related Questions

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Spinal cord is a part of

A. CNS

B. SA node

C. AV node.

D. Parasympathetic nervous system

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White matter consists of

A. nerve fibres with myelinated sheath

B. nerve fibres without myelinated sheath

C. scattered areolar tissue

D. nerve fibres with blood vessels.

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The second cranial nerve is

A. optic

B. trigeminal

C. olfactory

D. abducen

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Voluntary control over skeletal muscles originates in the

A. cerebellum

B. cerebrum

C. medulla oblongata

D. none of these

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Stimulation of sympathetic nerve of heart accelerates the heart beats as a result of

A. release of acetylcholin

B. release of adrenalin

C. release of heparin

D. inhibition of cholinesterase

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Functionally the parasympathetic system is

A. inhibitory

B. stimulatory

C. both (a) and (b)

D. at times inhibitory and at times stimulatory

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The basic anatomic and physiologie unit of the nervous system is

A. nerves

B. neuron

C. nephron

D. brain

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Sensory nerve fibres enter the spinal cord through

A. dorsal root

B. ventral root

C. cranial nerves

D. central canal

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The largest cranial nerve is

A. optic

B. facial

C. vagus

D. mandibular

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Which one is not at reflex action ?

A. Obeying an order

B. Release of saliva seeing sweets

C. Perspiration due to heat

D. Closing of eyelids against fricking

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The synaptic knots are present at the terminal endings of

A. the neuron

B. the dendron

C. the axon

D. both (b) and (c)

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4

The number of spinal nerves in man is

A. 20 pairs

B. 31 pairs

C. 21 pairs

D. 35 pairs

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Cranial and spinal nerves constitute

A. CNS

B. autonomic nervous system

C. peripheral nervous system

D. sympathetic nervous system

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In mammals the function of sympathetic nervous system is

A. contraction of hair muscles

B. contraction of pupil

C. stimulation of sweat glands

D. acceleration of heart beats

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Birds can move swiftly and accurately in three dimensions of space due to well developed

A. cerebrum

B. cerebellum

C. pons varolii

D. medulla oblongata

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The anterior choroid plexus is situated in the roof of

A. diocoel (III Ventride)

B. metacoel (IV Ventride)

C. olfactocoel

D. optocoel

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Balance of muscle coordination is the function of

A. cerebellum

B. medulla

C. pons

D. diencephalon

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The nodes of Ranvier are responsible for]

A. saltatory conduction

B. speed of conduction

C. reflex actions

D. direction of propagation of impulses

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Which one of the animals has a nervous system but no brain?

A. Amoeba

B. Earthworm

C. Cockroach

D. Hydra

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The SNS works through

A. acetylcholine

B. norepinephrine

C. noradrenaline

D. none of these

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Nerve impulse is

A. carried by afferent and efferent branches

B. not carried by afferent and efferent branches

C. carried away and brought by efferent branches

D. brought by afferent and carried by efferent branches

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In frog purely sensory nerves are

A. I and II

B. II and III

C. I and III

D. III and IV

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Body temperature, hunger and water balance is regulated by

A. hypothalamus

B. medulla oblongata

C. pons

D. cerebellum

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The smallest cranial nerve is

A. optic

B. olfactory

C. auditory

D. abducens

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The energy required for the transmission of impulse is obtained from

A. stimulating agent

B. brain

C. nerve fibre

D. synapses

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The 8th cranial nerve of frog is

A. auditory

B. optic

C. olfactory

D. glossopharyngeal

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4

All or none law of nerve impulse conduction states that

A. an impulse will continue to be conducted until the stimulus is removed

B. an impulse will be generated if the stimulus is of a particular strength, below which there won't be any response and increase above the minimal does not produce any enhanced effect

C. the brain receives the complete information or does not receive at all

D. none of these

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An afferent neuron is

A. motor

B. sensory

C. both (a) and (b)

D. none of these

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The chemical transmitter of nerve impulses is

A. cholinesterase

B. acetyl CoA

C. acetylcholine

D. adrenaline

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Cerebral cortex has centres of

A. thinking and intelligence

B. memory and learning

C. speech articulation

D. all of these