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प्रश्न
State whether the following is simple reflex, conditioned reflex or neither of the two:
Lifting up a book: …………………..
उत्तर
Conditioned
APPEARS IN
संबंधित प्रश्न
Which part of the eye contains cells which are sensitive to light?
What are the various sense organs in our body?
A person walks across a room in barefeet and puts his foot on a drawing pin lying on the floor. He lets out a cry. Explain what happens in his nervous system in bringing about this response.
Explain the difference between of the following pair of terms :
receptor and effector
When you smell a favourite food your mouth begins to water (that is, you secrete saliva). Write down what is the example of the gland which is stimulated to secrete saliva.
Which of the following helps in maintaining posture and balance of the human body?
The contraction of pupil of the eye in the presence of bright light is an example of :
(a) Voluntary reflex
(b) Spinal reflex
(c) Cerebral reflex
(d) Adrenal reflex
A cylindrical structure P in our body begins in continuation with medulla and extends downwards. It is enclosed in a bony cage Q and surrounded by membranes R. As many as x pairs of nerves arise from the structure P. The structure P is involved in the reflex actions of our body and conduction of nerve impulses to and from another organ S of our body with which it forms CNS.
(a) Name the structure P.
(b) Name (i) bony cage Q, and (ii) membranes R.
(c) How much is x?
(d) Name the organs S.
(e) What are the reflexes involving structure P only known as?
Give Reason:
The hand automatically shows the direction to turn a cycle without thinking.
Reflex arc allows the rapid response of the body to a stimulus.
