A) If both the assertion and the reason are true and the reason is a correct explanation of the assertion
B) If both the assertion and reason are true but the reason is not a correct explanation of the assertion
C) If the assertion is true but the reason is false
D) If both the assertion and reason are false
E) If the assertion is false but reason is true
Correct Answer: B
Solution :
Though the extracellular materials have different functions, they have an important role in the separation of cells. Extracellular materials acts as the medium in which cells can remain separated. When in a certain type of tissue cells are not at all separated, a special structure is formed to hold together the cell, this structure is called cell junction. This may be formed by the inclusion of the cell in a common matrix.
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