ICSE Class X Biology 2018 Solved Papers

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The diagram given below shows the internal structure of a spinal cord depicting a phenomenon. Study the diagram and answer the questions :
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Question : 53
Total: 97
Name the phenomenon that is depicted in the diagram. Define the phenomenon.
Solution:  
Phenomenon is Reflex action.
Reflex action : It is an automatic, quick and involuntary action brought about by a stimulus in the body.
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