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: A
Solution :
Extracellular materials (also called Intercellular materials) are very important for cells because they surround the individual cells, separate them from each other and bind them together. One or more types of specialized cells are set in specific extracellular materials to constitute a tissue. Nature and amount of extracellular material vary from tissue to tissue. In some tissues, it is limited to very thin layers whereas, in some it is quite vast and separates cells widely apart from one another.
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