Given below are two statements, one is labelled as Assertion A and the other is labelled as Reason R:
Assertion A: Sir Ronald Ross in 1897 made the discovery of Plasmodium in the dissected Anopheles mosquito.
Reason R: The American entomologist E.F. Knipling in 1937, developed male sterile technique against fruit flies.
In light of the above statements, choose the correct answer from the options given below: