ICSE Class X Biology 2014 Solved Papers

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The diagram given below is a representation of a certain phenomenon pertaining to the nervous system. Study the diagram and answer the following questions :
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Question : 54
Total: 93
Name the parts 1, 2, 3 and 4.
Solution:  
1. Sensory/Afferent neuron.
2. Dorsal ganglion/Dorsal root.
3. White matter
4. Grey matter
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