Multiple Choice QuestionsIvan Pavlov performed experiments on
origin of life
cardiac reflexes
simple reflexes
conditioned reflexes
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.
In human eyes, colour perception is done by
rod cells only
cone cells only
Both (a) and (b)
choroid laver cells
During the conduction of nerve impulse, the action potential is the result of movement of
Na+ from intracellular fluid to extracellular fluid
Na+ from extracellular fluid to intracellular fluid
Na+ towards both directions
None of the above
Which are the longest cells in the body of man ?
Muscle cells of legs
Bone cells
Nerve cells
None of the above
Switch
