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प्रश्न
State whether the following is simple reflex, conditioned reflex or neither of the two.
Lifting up a book
विकल्प
simple reflex
conditioned reflex
None of the above
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उत्तर
None of the above
संबंधित प्रश्न
How are involuntary actions and reflex actions different from each other?
State whether coughing is a voluntary action or reflex action.
Write the names of the regions in hindbrain. Give one function of each region.
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.
The gustatory receptors of our body are in one of the following organs. This organ is :
a) ear
(b) nose
(c) tongue
(d) skin
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.
Two hungry boys (A and B) enter a restaurant and find a table decorated as follows:
Boy B starts salivating but not A. Explain the reason for this difference.
Define the following:
Reflex action
Reflex action is controlled by the
A change in the environment that causes an animal to react is called ______.
