Identify the correct ratios of the following related to Bentham and Hooker's classification of plants :

Question

(A) Number of series in Dicotyledonae and monocotyledonae

(B) Number of classes and subclasses The correct ratios are

       (A)   (B)

(1)  2:1   1:1

(2)  1:1   1:2

(3)  1:1   1:3

(4)  1:1   1:1