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 ?

Options

A. P and Q
B. P and R
C. R and S
D. P, R and S

Answer

B

Explanation

Tautonym is the taxonomic designation used for certain animal assigned with same generic name and specific name. E.g., Rattus rattus (rat), Catla catla (catla), etc. Family Leguminosa is divided into three sub-families, i.e, Papilionaceae (= Fabaceae), Mimosacea and Caesalpiniaceae.