(A) : Hybridoma is a cell formed by the fusion of a cancer cell with a plasma cell.
(R) : It is used to produce large amounts of a single vaccine.
A. If both (A) and (R) are true and (R) is the correct explanation of (A).
B. If both (A) and (R) are true but (R) is not the correct explanation of (A).
C. If (A) is true but (R) is false.
D. If both (A) and (R) are false.