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प्रश्न
Which part of the brain maintains posture and equilibrium of the body?
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उत्तर
Cerebellum, a part of hindbrain is responsible for maintaining posture and equilibrium of the body.
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संबंधित प्रश्न
With the help of a neat and labelled diagram, describe reflex arc.
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.
When you smell a favourite food your mouth begins to water (that is, you secrete saliva). Write down what is the example of the cells in your nasal passages which perceive the smell?
Which of the following cannot be considered a receptor?
(a) ear
(b) nose
(c) muscle
(d) eye
All the voluntary actions of our body are controlled by :
(a) cerebrum
(b) cerebellum
(c) pons
(d) medulla
Write down the following activities in the correct order for a simple reflex arc:
(a) impulse travels in the motor fibre
(b) impulse travels in the sensory fibre
(c) effector organ stimulated
(d) impulse crosses the synapse
Your are driving your bicycle at a fast speed. Suddenly, a small boy comes in front of your cycle and, without wasting any time in thinking, you immediately apply the brakes and accident is avoided. What name is given to such an action?
what do we refer to in the nervous system when we say:
Natural and conditioned …………………
State whether the following is simple reflex, conditioned reflex or neither of the two:
Knitting without looking: …………………..
Two hungry boys (A and B) enter a restaurant and find a table decorated as follows:
Boy B starts salivating but not A. Explain the reason for this difference.
State whether the following is
Sneezing
What type of reflex is the following?
Blinking of the eye
Give Reason:
The hand automatically shows the direction to turn a cycle without thinking.
Give Technical Term:
Response to a stimulus without the intervention of the will of an animal.
Complete the following sentence with appropriate Word
Which of the following is not a natural reflex action?
The reflex arc which is made up of one sensory and one motor neuron is ______
How is the mode of action in beating of the heart different from reflex actions? Give four examples.
Categorise the following under stimulus and response.
Seeing a green light turning into red at a road crossing before applying the brakes.
Given alongside is a partial diagrammatic representation of a certain phenomenon pertaining to the nervous system.
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- Name the parts numbered 1-7.
- Name the phenomenon that the diagram depicts and define it.
- Give the technical term for the point of contact between two nerve cells.
- Name the parts not shown in the diagram that should be included to complete the pathway of the phenomenon.
