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4

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

Correct Answer :

B. cerebellum


Related Questions

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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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4

The thermoregulatory centre of the body is

A. spinal cord

B. hypothalamus

C. cerebellum

D. pituitary gland

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4

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

What is the correct answer?

4

Cranial and spinal nerves constitute

A. CNS

B. autonomic nervous system

C. peripheral nervous system

D. sympathetic nervous system

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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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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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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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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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Corpus callosum of the brain connects

A. optic chiasma

B. two cerebral hemispheres

C. two olfactory lobes

D. two optic lobes

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The intensity of stimulus determines the

A. amplitude of action potentials in the neuron

B. amplitude and frequency of action potentials in a neuron

C. frequency of action potentials in a neuron

D. amplitude of resting and action potentials in a neuron

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4

The brain is situated in a long case called the

A. cranium

B. atrium

C. sinus

D. both (a) and (b)

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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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Synaptic fatigue is due to

A. release of more adrenalin

B. release of more acetylcholine

C. exhaustion of neurotransmitter

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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Foramen of Monro is

A. gap in pelvic girdle of rabbit

B. foramen in the skull of frog

C. space in brain of frog and rabbit

D. pore in the interauricular septum in a mammalian heart

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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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Foramen of Monro provides a passage connecting

A. brain and spinal cord

B. lateral ventricles with III ventride in brain

C. IV ventricle with optic ventride

D. middle ear with pharynx

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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 chemical transmitter of nerve impulses is

A. cholinesterase

B. acetyl CoA

C. acetylcholine

D. adrenaline

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The largest cranial nerve is

A. optic

B. facial

C. vagus

D. mandibular

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The largest number of cell bodies of] neurons in our body is found in

A. white matter of spinal cord

B. white matter of brain

C. grey matter of brain

D. grey matter of spinal cord

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Mammalian heart is innervated by a branch of

A. trigeminal

B. facial

C. vagus

D. spinal accessory

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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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Purely motor nerve is

A. optic

B. abducens

C. ophthalmic

D. palatinus

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Pia mater and dura mater are referred as

A. hypothalamus

B. crura cerebri

C. cerebrospinal sheath

D. meninges

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Which of the following tissues in a human being uses the greatest amount of energy per unit weight ?

A. Heart tissue

B. Nervous tissue

C. Muscle tissue

D. Epithelial tissue

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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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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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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