Advertisements
Advertisements
प्रश्न
One of the following controls the peristaltic movements of alimentary canal. This one is :
(a) cerebrum
(b) cerebellum
(c) pons
(d) medulla
Advertisements
उत्तर
(d) medulla
The medulla controls the involuntary actions like the peristaltic movements of the alimentary canal
APPEARS IN
संबंधित प्रश्न
What is the role of the brain in reflex action?
The diagram given below shows the internal structure of a spinal cord depicting a phenomenon. Study the diagram and answer the questions:
1) Name the phenomenon that is depicted in the diagram. Define the phenomenon.
2) Give the technical term for the point of contact between the two nerve cells.
3) Name the parts numbered 1, 2 and 3.
4) How does the arrangement of neurons in the spinal cord differ from that of the brain?
5) Mention two ways by which the spinal cord is protected in our body.
If we happen to touch a hot object unknowingly, we immediately pull back our hand. What is this type of action known as?
Give three examples of reflex actions.
What is meant by receptors and effectors? Give two examples of each.
Which of the following is not an involuntary action?
(a) vomiting
(b) chewing
(c) heart beat
(d) salivation
One of the following gives the correct sequence of the components in a reflex arc. This is:
Define voluntary and reflex actions. Give examples of each.
Complete the following statement by choosing the correct alternative from the choice given in bracker:
Reflex action is controlled by
(i) brain (ii) spinal cord
(iii) autonomic (iii) peripheral nervous system
Give one example of a conditioned reflex in your own life.
Reflex action is controlled by the
State whether the following is
Salivation when food is put in the mouth.
What type of reflex is the following?
Formation of goose-pimples in cold weather.
Mention, if the following statement is True or False
Reflex action is a unit of nervous action
A change in the environment that causes an animal to react is called ______.
Give an example for conditioned reflexes.
Reflex actions are mediated through ____________.
The given diagrammatic representation of reflex action shows knee jerk reflex.
Identify the parts labeled as A to E and select the correct option.
If after cutting through dorsal root of a spinal nerve of a mammal, the associated receptor in skin was stimulated the animal would ______.
