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प्रश्न
State one function each of cerebellum and pons.
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उत्तर
The pons participate in regulating respiration. The cerebellum helps in maintaining balance and posture of the body.
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संबंधित प्रश्न
Briefly explain the following terms : Reflex action
Which part of the eye contains cells which are sensitive to light?
State whether coughing is a voluntary action or reflex action.
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.
Explain the difference between of the following pair of terms :
receptor and effector
Which of the following cannot be considered a receptor?
(a) ear
(b) nose
(c) muscle
(d) eye
Which of the following helps in maintaining posture and balance of the human body?
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
One of the following gives the correct sequence of the components in a reflex arc. This is:
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 olfactory receptors in humans are located in :
(a) eyes
(b) tongue
(c) ears
(d) nose
State whether the following is simple reflex, conditioned reflex or neither of the two:
Sneezing: …………….
Reflex action is controlled by the
Explain the following term :
Conditioned reflex
State whether the following is
Playing on the Keyboard
What type of reflex is the following?
Knitting and swimming
Give Reason:
The hand automatically shows the direction to turn a cycle without thinking.
What kind of reflex is cycling?
