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प्रश्न
Name the most important part of the human brain.
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उत्तर
The cerebrum (forebrain) is the most important part of the human brain.
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संबंधित प्रश्न
Briefly explain the following terms : 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.
Which part of the eye contains cells which are sensitive to light?
Give three examples of reflex actions.
Define reflex arc. Give the flow chart of a spinal reflex arc.
Cerbellum, medulla and pons are the parts of :
(a) mid-brain
(b) hind-brain
(c) forebrain
(d) spinal cord
The involuntary actions in the body are controlled by :
(a) medulla in forebrain
(b)medulla in hindbrain
(c) medulla in spinal cord
(d) medulla in midbrain
Put a tick mark (✓) against the correct alternative in the following statement:
The smell of good food causes watering of your mouth. It is a
Differentiate between natural reflex and conditioned reflex. Give examples to illustrate your answer.
Explain the mechanism of reflex action with the help of a suitable diagram.
Reflex action is controlled by the
State whether the following is simple reflex, conditioned reflex or neither of the two.
Blushing
What type of reflex is the following?
Solving mathematical sums
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.
Reflex arc allows the rapid response of the body to a stimulus.
Which of the following is not involved in Knee-jerk reflex?
The given diagrammatic representation of reflex action shows knee jerk reflex.
Identify the parts labeled as A to E and select the correct option.
How is the mode of action in beating of the heart different from reflex actions? Give four examples.
What kind of reflex is cycling?
