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प्रश्न
State whether the following is
Salivation when food is put in the mouth.
विकल्प
simple reflex
conditioned reflex
None of the above
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उत्तर
simple reflex
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संबंधित प्रश्न
Name two parts of the body which contain receptors of chemical stimuli.
Fill in the following blanks with suitable words :
Our.............system allows us to react to our surroundings. Information from receptors passes along...........neurons to our brain. Our brain sends impulses along..........neurons to our muscles.
Give the various functions of brain.
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?
State whether the following is simple reflex, conditioned reflex or neither of the two:
Lifting up a book: …………………..
What type of reflex is the following?
Knitting and swimming
Give an example for conditioned reflexes.
The given diagrammatic representation of reflex action shows knee jerk reflex.
Identify the parts labeled as A to E and select the correct option.
How is the mode of action in beating of the heart different from reflex actions? Give four examples.
Categorise the following under stimulus and response.
Seeing a green light turning into red at a road crossing before applying the brakes.
