Arrange the following in descending order
(a) Number of bivalents formed during meiosis of a spore mother of Ophioglossum
(b) Number of chromatids seen on equator at metaphase I in pollen mother cell of Haplopappus gracilis during meiosis
(c ) Number of chromosomes found at one pole after anaphase II during meiosis in butterfly
(d) Total number of chromosomes found in all daughter cells formed during meiosis from one megaspore mother cell in Potato
A. b,d,c,a
B. a,c,d,b
C. a,d,c,b
D. d,c,b,a
