Complete the following statements by choosing the correct alternative from the choices given in brackets :

(a) The dorsal root ganglion of the spinal cord contains cell bodies of (motor/sensory/intermediate) neurons.

(b) The cerebellum is the part of the brain which is responsible for

(i) conducting reflexes in the body

(ii) maintaining posture and equilibrium

(iii) controlling thinking, memory & reasoning.

(c) Reflex action is controlled by

(i) brain (ii) spinal cord

(iii) autonomic (iv) peripheral nervous system.

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Solution

(a) Sensory
(b) Maintaining posture and equilibrium
(c) Spinal cord

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Similar questions

Q. A sudden and spontaneous reflex which leads to the quick pulling of hand on touching a hot object is generated by
I. Brain
II. Spinal cord
III. Sensory neurons
IV. Motor neurons

Q. Which of the following statements are true?
(i) Sudden reaction in response to the stimulus is called reflex action.
(ii) Sensory neurons carry signals from the spinal cord to muscles.
(iii) Motor neurons carry signals from receptors to spinal cord.
(iv) Reflex arc is the process in which the nerve impulse is carried and the response is generated.

Look at following matches:

1. Spinal Cord - Reflex action
2. Cerebrum - Thinking, Decision making
3. Cerebellum - Controls heartbeat
4. Medulla oblongata - Controls cardiac centre

Which of the given matches are correct?

Our body carries out reflex actions without the control of brain. Which other part of the nervous system is responsible for this?

One of the following gives the correct sequence of the components in a reflex arc. This is :

(a) Receptors $\to$ Muscle $\to$ Sensory neuron $\to$ Motor neuron $\to$ Spinal cord

(b) Receptors $\to$ Motor neuron $\to$ Spinal cord $\to$ Sensory neuron $\to$ Muscle

(d) Receptors $\to$ Sensory neuron $\to$ Spinal cord $\to$ Motor neuron $\to$ Muscle

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Peripheral Nervous System

Standard X Biology

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(a) Sensory (b) Maintaining posture and equilibrium (c) Spinal cord

(a) Sensory
(b) Maintaining posture and equilibrium
(c) Spinal cord