Read the following statements. P : The taxonomic hierarchy for Brassica campectris can be written as Plante rarr Phanerogamae rarr Angiospermae rarr Dicotyledonae rarr Parietals rarr Brassicaces rarr Brassica rarr campestris. Q : Tautonym is the taxonomic designation used for certain plants having trinomial nomenclature. R : A chaaracter present in an ancestral species and shared exclusively by its evolutionary descendants is referred to as synapomorphy. S : Family Fabaceae is divided into three sub-families, i.e., Leguminosa, Mimosaceae and Caesalpiniaceae. Whcih of the following combinations of above statements is correct ?
