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प्रश्न
Mention, if the following statement is True or False
A reflex action is a spontaneous response to a stimulus.
विकल्प
True
False
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उत्तर
False
Correct Statement: A reflex action is a spontaneous involuntary response to a stimulus.
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संबंधित प्रश्न
Briefly explain the following terms : Reflex action
Name one gustatory receptor and one olfactory receptor present in human beings.
What is the difference between a voluntary and an involuntary action? Which kind of action is digestion? Explain your choice.
When you smell a favourite food your mouth begins to water (that is, you secrete saliva). Write down what is the example of the smell of the food?
The olfactory receptors in humans are located in :
(a) eyes
(b) tongue
(c) ears
(d) nose
P is a cell (or group of cells) in the human body which is sensitive to a particular type of stimulus and conveys the messages to CNS through nerves Q. On the other hand, R is a part of the human body which can respond to a stimulus according to the instructions sent from the CNS through nerves S.
(a) What is P? Name five organs which contain cells (or group of cells) like P.
(b) Name the nerves Q.
(c) What is R? Give two examples of R.
(d) Name nerves S.
(e) How do messages travel through the nerves Q and S?
Mention, if the following statement is True or False
Reflex action is a unit of nervous action
Which of the following is not an involuntary action?
If after cutting through dorsal root of a spinal nerve of a mammal, the associated receptor in skin was stimulated the animal would ______.
What kind of reflex is cycling?
