Assertion :- Mast cells are undiferntiated cells of connective tissue proper.
Reason :- Mast cells modified to from other cells of connective tissue proper.

Options

A. If both Assertion & Reason are True & the Reason is a correct explanation of the Assertion.
B. If both Assertion & Reason are True but Reason is not a correct explanation of the Assertion.
C. If Assertion is True but the Reason is False.
D. If both Assertion & Reason are false.

Answer

D