The autonomic nervous system controls
muscle contractions
reflex movement and equilibrium
activity of visceral organs
both (a) and (b)
Correct Answer :
C. activity of visceral organs
Related Questions
The largest number of cell bodies of] neurons in our body is found in
white matter of spinal cord
white matter of brain
grey matter of brain
grey matter of spinal cord
The outermost layer of brain is
pia mater
dura mater
arachnoid
none of these
Arborvitae includes
grey matter
white matter
both (a) and (b)
none of these
The SNS works through
acetylcholine
norepinephrine
noradrenaline
none of these
In frog purely sensory nerves are
I and II
II and III
I and III
III and IV
The autonomic nervous system controls
muscle contractions
reflex movement and equilibrium
activity of visceral organs
both (a) and (b)
The smallest cranial nerve is
optic
olfactory
auditory
abducens
The synaptic knots are present at the terminal endings of
the neuron
the dendron
the axon
both (b) and (c)
Spinal cord is protected by
aorta
sternum
trachea
vertebral column
Which one is not at reflex action ?
Obeying an order
Release of saliva seeing sweets
Perspiration due to heat
Closing of eyelids against fricking
The thermoregulatory centre of the body is
spinal cord
hypothalamus
cerebellum
pituitary gland
An afferent neuron is
motor
sensory
both (a) and (b)
none of these
Cranial and spinal nerves constitute
CNS
autonomic nervous system
peripheral nervous system
sympathetic nervous system
Cerebral cortex has centres of
thinking and intelligence
memory and learning
speech articulation
all of these
Voluntary control over skeletal muscles originates in the
cerebellum
cerebrum
medulla oblongata
none of these
The nodes of Ranvier are responsible for]
saltatory conduction
speed of conduction
reflex actions
direction of propagation of impulses
The energy required for the transmission of impulse is obtained from
stimulating agent
brain
nerve fibre
synapses
The anterior choroid plexus is situated in the roof of
diocoel (III Ventride)
metacoel (IV Ventride)
olfactocoel
optocoel
Balance of muscle coordination is the function of
cerebellum
medulla
pons
diencephalon
The 8th cranial nerve of frog is
auditory
optic
olfactory
glossopharyngeal
Foramen of Monro provides a passage connecting
brain and spinal cord
lateral ventricles with III ventride in brain
IV ventricle with optic ventride
middle ear with pharynx
Sensory nerve fibres enter the spinal cord through
dorsal root
ventral root
cranial nerves
central canal
Corpus callosum of the brain connects
optic chiasma
two cerebral hemispheres
two olfactory lobes
two optic lobes
The basic anatomic and physiologie unit of the nervous system is
nerves
neuron
nephron
brain
Pia mater and dura mater are referred as
hypothalamus
crura cerebri
cerebrospinal sheath
meninges
Birds can move swiftly and accurately in three dimensions of space due to well developed
cerebrum
cerebellum
pons varolii
medulla oblongata
Functionally the parasympathetic system is
inhibitory
stimulatory
both (a) and (b)
at times inhibitory and at times stimulatory
Purely motor nerve is
optic
abducens
ophthalmic
palatinus
Synaptic fatigue is due to
release of more adrenalin
release of more acetylcholine
exhaustion of neurotransmitter
none of these
The intensity of stimulus determines the
amplitude of action potentials in the neuron
amplitude and frequency of action potentials in a neuron
frequency of action potentials in a neuron
amplitude of resting and action potentials in a neuron