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Q. The probable reason for the greyish appearance of the cerebral cortex is

NTA AbhyasNTA Abhyas 2020Neural Control and Coordination

Solution:

The central nervous system is made up of two types of tissue: the grey matter and the white matter. In the grey matter, these axons are mainly unmyelinated, meaning they are not covered by a whitish-colored, fatty protein called myelin.
The grey matter is mainly composed of neuronal cell bodies and unmyelinated axons