Multiple Choice QuestionsMuscular movements of alimentarey canal are known as
peristalsis
diastole
systole
muscles contraction
First heart sound is produced during closure of
auriculo-ventricular valves
eustachian valve
sinus valve
seminular valves
In motor neuron the impulse following in which direction?
In two direction
In one drection
In all direction
None of the above
A.
In two direction
Motor neurons are efferent neurons and are located in CNS. The impulse acts in two direction. It carry impulses from the brain and spinal cord to muscles or glands. hen a stimulus is received by a sensory neuron, the impulse (or message) is carried through fibrous extensions called dendrites to the cell body.
Fertilization in earthworm is
cross fertilization
combined fertilization
self-fertilization
All of the above
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