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प्रश्न
Identify the odd item from the following series of words.
पर्याय
Knee jerk
Sneezing
Thinking
Blinking of eyes
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उत्तर
Knee jerk, Sneezing, Thinking, Blinking of eyes - Thinking (not a reflex action)
APPEARS IN
संबंधित प्रश्न
Describe T.S. of the spinal cord.
Name the following:
Inability to speak.
Distinguish between the following pair of words:
Cranial nerve and spinal nerve
Distinguish between the following pair of words:
Motor and sensory nerve
Where is this located?
Meninges
Where is this located?
Ganglia
Give one point of difference between the following on the basis of what is indicated:
Cerebrum and spinal cord. (Arrangement of neurons)
Fill in the blank with the function in the following:
Meninges: ______
Spinal cord and sympathetic ganglion of autonomous nervous system are connected by ______________.
Give the functions of the spinal cord?
Give Technical Term:
The fluid which fills the central canal of the spinal cord.
The diagram given below shows the internal structure of the spinal cord, depicting a simple reflex. Study the same and then answer the questions that follow:
(i) Name the parts numbered 1 to 5.
(ii) Using the letters of the alphabet shown in the figure indicate the direction in which an impulse enters and leaves the spinal cord.
(iii) What is the term given to the point of contact between two nerve cells?
(iv) What is meant by ‘simple reflex’ ? Give two examples of simple reflexes and name the stimuli too.
(v) How does the arrangement of nerve cells in the spinal cord differ from that in the brain?
The diagram given below represents the spinal cord of a mammal, seen in a transverse section together with the nerves. Study the diagram and then answer the questions given below:
(i) Label the parts 1—8 indicated by guidelines.
(ii) What do the arrows indicate? What is the pathway indicated termed?
(iii) What type of nerve is shown in the diagram?
Complete the following sentence with appropriate word :
The part of the central nervous system which responds to the reflex action is ________.
Mention, if the following statement is True or False
Spinal nerves are twelve pair
There are ______ pairs of cranial nerves and ______ pairs of spinal nerves.
Describe the structure of the spinal cord.
Which neuron conducts impulse from the spinal cord to the effector organ?
Which statement is correct regarding spinal nerves in man?
Sensory nerve fibres forming ascending tracts in white matter of spinal cord are located in ____________.
Spinal cord is enclosed in ____________ of vertebral column.
How are cytons and axons arranged in the spinal cord?
Explain the formation of a typical spinal nerve with the help of a neat labelled diagram.
In humans, the number of spinal nerves are ______.
Mention where in the human body is the following located and state its main function:
Central canal
