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प्रश्न
Give Reason:
The hand automatically shows the direction to turn a cycle without thinking.
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उत्तर
Because of the conditioned reflex which we learn by experience and gradually respond to it unconsciously.
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संबंधित प्रश्न
The diagram given below shows the internal structure of a spinal cord depicting a phenomena. Study the diagram and answer the questions:
- Name the phenomenon that is depicted in the diagram. Define the phenomenon.
- Give the technical term for the point of contact between the two nerve cells.
- Name the parts numbered 1, 2 and 3.
- How does the arrangement of neurons in the spinal cord differ from that of the brain?
- Mention two ways by which the spinal cord is protected in our body.
Name the most important part of the human brain.
Give the various functions of brain.
Cerbellum, medulla and pons are the parts of :
(a) mid-brain
(b) hind-brain
(c) forebrain
(d) spinal cord
The part of brain which takes part in regulating respiration in the human body is :
(a) medulla
(b) pons
(c) cerebellum
(d) cerebrum
The olfactory receptors in humans are located in :
(a) eyes
(b) tongue
(c) ears
(d) nose
Explain the following term :
Conditioned reflex
Give Technical Term:
Response to a stimulus without the intervention of the will of an animal.
The reflex arc which is made up of one sensory and one motor neuron is ______
Categorise the following under stimulus and response.
Seeing a green light turning into red at a road crossing before applying the brakes.
