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प्रश्न
What type of reflex is the following?
Blinking of the eye
विकल्प
Simple reflex
Conditioned reflex
None of the above
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उत्तर
Simple reflex
संबंधित प्रश्न
Name the most important part of the human brain.
What are the various sense organs in our body?
Explain the difference between of the following pair of terms :
receptor and effector
The part of brain which controls the involuntary action such as heart beat, breathing, blood pressure, etc. is :
(a) pons
(b) medulla
(c) cerebrum
(d) cerebellum
The gustatory receptors of our body are in one of the following organs. This organ is :
a) ear
(b) nose
(c) tongue
(d) skin
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?
Differentiate between natural reflex and conditioned reflex. Give examples to illustrate your answer.
Explain the mechanism of reflex action with the help of a suitable diagram.
State whether the following is simple reflex, conditioned reflex or neither of the two.
Knitting without looking
How is the mode of action in beating of the heart different from reflex actions? Give four examples.
