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प्रश्न
Mention, if the following statement is True or False
A reflex action is a spontaneous response to a stimulus.
पर्याय
True
False
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उत्तर
False
Correct Statement: A reflex action is a spontaneous involuntary response to a stimulus.
संबंधित प्रश्न
When you smell a favourite food your mouth begins to water (that is, you secrete saliva). Write down what is the example of the cells in your nasal passages which perceive the smell?
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.
Give the various functions of brain.
The involuntary actions in the body are controlled by :
(a) medulla in forebrain
(b)medulla in hindbrain
(c) medulla in spinal cord
(d) medulla in midbrain
The olfactory receptors in humans are located in :
(a) eyes
(b) tongue
(c) ears
(d) nose
Note the relationship between the first two words and suggest the suitable word/words for the fourth place.
Stimulus : Receptor :: Impulse : ______.
State whether the following is simple reflex, conditioned reflex or neither of the two.
Blushing
State whether the following is simple reflex, conditioned reflex or neither of the two.
Lifting up a book
State whether the following is
The sudden application of brakes without thinking
What will you do if someone pricks your hand with a needle? Elucidate the pathway of response with a neat labelled diagram.
