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प्रश्न
State whether the following is simple reflex, conditioned reflex or neither of the two.
Sudden application of brakes of the cycle on sighting an obstacle in front
पर्याय
Simple reflex
Conditioned reflex
None of the above
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उत्तर
Conditioned reflex
APPEARS IN
संबंधित प्रश्न
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 functions of medulla.
Which of the following are cerebral reflexes?
(i) a person pulls away his hand on touching a hot object
(ii) a person spits out immediately when a fly enters his mouth while talking
(iii) A person walking bare foot lifts his foot at once on stepping on to a nail
(iv) A person's pupil contracts at once in the presence of bright light
(a) (i) and (ii) (b) (ii) and (iii) (c) (iii) and (iv) (d) (ii) and (iv)
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
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?
Your are driving your bicycle at a fast speed. Suddenly, a small boy comes in front of your cycle and, without wasting any time in thinking, you immediately apply the brakes and accident is avoided. What name is given to such an action?
Give one example of a conditioned reflex in your own life.
State whether the following is
Playing on the Keyboard
Which sensory organ is involved in vertigo (sensation of oneself or objects spinning around)?
Categorise the following under stimulus and response.
Withdrawal of hand on touching a hot plate
