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प्रश्न
Fill in the following blank with suitable word :
A neuron which carries an impulse to the brain is called a ........... neuron.
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उत्तर
A neuron which carries an impulse to the brain is called a sensory neuron.
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संबंधित प्रश्न
State one function each of cerebellum and pons.
Name two parts of the body which contain receptors of chemical stimuli.
What is spinal cord? What is its main function?
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
The gustatory receptors of our body are in one of the following organs. This organ is :
a) ear
(b) nose
(c) tongue
(d) skin
what do we refer to in the nervous system when we say:
Natural and conditioned …………………
List in tabular form two differences between reflex action and walking.
Reflex action is controlled by the
State whether the following is
Constriction of pupil
State whether the following is simple reflex, conditioned reflex or neither of the two.
Lifting up a book
State whether the following is
Blinking
What type of reflex is the following?
Knitting and swimming
Reflex arc allows the rapid response of the body to a stimulus.
The reflex arc which is made up of one sensory and one motor neuron is ______
Reflex actions are mediated through ____________.
What kind of reflex is cycling?
