ICSE Class X Biology 2013 Solved Papers

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Differentiate between the following pairs on the basis of what is mentioned in brackets :
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Question : 59
Total: 90
Cerebrum and Spinal cord. (Arrangement of nerve cells)
Solution:  
 Cerebrum  Spinal cord
 Grey matter is found on the outer side contains cell bodies of the neurons whereas white matter remains towards the inner side which mainly contains the axons (nerve fibre) of the neuron.  White matter lies towards the outer side contains the cell body of motor (efferent and association neuron) while grey matter remains towards inner side contains axons.
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