Ivan Pavlov performed experiments on
origin of life
cardiac reflexes
simple reflexes
conditioned reflexes
D.
conditioned reflexes
Conditioned reflex is an automatic response established by training to an ordinarily neutral stimulus. They were first demonstrated in 1920s by the Russian physiologist I.P. Pavlov. He found that the sight and smell of food reflexly cause flow of saliva in hungry animals.
In motor neuron the impulse following in which direction?
In two direction
In one drection
In all direction
None of the above
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
