A) Eyes closed when anything enter into it.
B) Hand took up when piercing with needle.
C) Salivation in a hungry dog in response to ringing of a bell.
D) Digestion food goes forward in alimentary canal.
Correct Answer: C
Solution :
[c] Conditioned reflexes are acquired reflexes and dependent on past experiences, training and learning. I.R. Pavlov demonstrated conditioned reflexes in a hungry dog. He called food and salivation in response to it as unconditioned stimulus and sound of bell and salivation in response to bell as conditioned reflexes.
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