Advertisements
Advertisements
प्रश्न
Mention, if the following statement is True or False
Reflex action involves brain
विकल्प
True
False
Advertisements
उत्तर
False
Correct Statement: Reflex action involves the spinal cord
APPEARS IN
संबंधित प्रश्न
State one function each of cerebellum and pons.
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.
Give the functions of medulla.
Write the names of the regions in hindbrain. Give one function of each region.
What is the difference between a voluntary and an involuntary action? Which kind of action is digestion? Explain your choice.
With the help of suitable example, describe reflex action.
List in tabular form three distinguishing features between cerebrum and cerebellum.
Reflex action is controlled by the
How is the mode of action in beating of the heart different from reflex actions? Give four examples.
The diagram given below shows the internal structure of a spinal cord depicting a phenomenon. Study the diagram and answer the following questions.
 |
- Name the phenomenon shown in the figure and define the same.
- Identify the parts labelled as 1 and 2. Write one functional difference between these two.
- Name the bony protective covering and the membranous protective covering of the spinal cord.
- Label the guidelines 3 and 4.
- How is the labelled part 3 different from part 4 with respect to its composition (part of neuron)?
- Give the technical term for the point of contact between the two nerve cells.
- Name the fluid filled inside the central canal of spinal cord.
- Name the term used for a small gap between two neurons.
- Give one example of a neurotransmitter.
- Draw a neat diagram of a nerve cell and label the parts: Perikaryon, Node of Ranvier, Myelin sheath and Axon terminals.
