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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
संबंधित प्रश्न
With the help of a neat and labelled diagram, describe reflex arc.
A cell (or group of cells) in a sense organ which is sensitive to a particular type of stimulus is called :
(a) interceptor
(b) effector
(c) receptor
(d) acceptor
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)
Which of the following statements are true?
(i) sudden action in response to something in the environment is called reflex action
(ii) sensory neurons carry electrical signals from spinal cord to muscles in a reflex action
(iii) motor neurons carry signals from receptors to spinal cord in a reflex action
(iv) the pathway of transmitting signals from a receptor to a muscle is a reflex action
Differentiate between natural reflex and conditioned reflex. Give examples to illustrate your answer.
Note the relationship between the first two words and suggest the suitable word/words for the fourth place.
Receptor : Sensory nerve :: Motor nerve : ______.
What type of reflex is the following?
Solving mathematical sums
In reflex action, the reflex arc is formed by ______
What will you do if someone pricks your hand with a needle? Elucidate the pathway of response with a neat labelled diagram.
Which of the following is an example of unconditioned reflex?
