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प्रश्न
Give Technical Term:
The scientist, who conducted experiment on a dog to show conditioned reflex
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उत्तर
Ivan Pavlov
APPEARS IN
संबंधित प्रश्न
Which of the following cannot be considered a receptor?
(a) ear
(b) nose
(c) muscle
(d) eye
Cerbellum, medulla and pons are the parts of :
(a) mid-brain
(b) hind-brain
(c) forebrain
(d) spinal cord
When we touch a hot plate unknowingly, then this heat is sensed by a receptor P present in our fingers. The receptor triggers and impulse in neuron Q which transmits the message to an organ R which is a part of the central nervous system. Here the impulse is passed on to a neuron S which in turn passes it to a yet another neuron T. The neuron T passes the impulse to a tissue U in our arm. The tissue U then contracts and pulls our hand away from the hot plate.
(a) What is the name of (i) receptor P (ii) neuron Q, and (iii) organ R?
(b) What is (i) neuron S, and (ii) neuron T?
(c) Name the tissue U.
(d) What name is given to the phenomenon in which hand is pulled away quickly from the hot plate?
(e) Name the effector in this whole process.
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?
Define voluntary and reflex actions. Give examples of each.
What type of reflex is the following?
Sweating in summer
What type of reflex is the following?
Formation of goose-pimples in cold weather.
Complete the following sentence with appropriate Word
Which of the following is not a natural reflex action?
Which one of the following is not a simple reflex?
