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प्रश्न
Give examples of unconditional reflexes
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उत्तर
Examples of uncondition reflexes are blinking of eyes with strong light, withdrawl of hand when pricked, breast feeding, swallowing, knee jerk, sneezing, coughing etc.
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संबंधित प्रश्न
The diagram given below shows the internal structure of a spinal cord depicting a phenomena. Study the diagram and answer the questions:
- Name the phenomenon that is depicted in the diagram. Define the phenomenon.
- Give the technical term for the point of contact between the two nerve cells.
- Name the parts numbered 1, 2 and 3.
- How does the arrangement of neurons in the spinal cord differ from that of the brain?
- Mention two ways by which the spinal cord is protected in our body.
State one function each of cerebellum and pons.
What is meant by receptors?
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)
All the voluntary actions of our body are controlled by :
(a) cerebrum
(b) cerebellum
(c) pons
(d) medulla
what do we refer to in the nervous system when we say:
Natural and conditioned …………………
State whether the following is simple reflex, conditioned reflex or neither of the two.
Contraction of eye pupil
What is a reflex action?
State whether the following is
Salivation when food is put in the mouth.
Mention, if the following statement is True or False
Reflex action involves brain
