Assertion : Natural Killer cells are found in blood.
Reson : These are type of lymphocytes.
A. If both Assertion & Reason as 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.
