question_answer 13)

  Which of the following 'suffixes' used for units of classification in plants indicates a taxonomic category of 'family'? (a) - Ales                              (b) - Onae                           (c) - Aceae                          (d) ?Ae

Answer:

                  (c) The name of a family, a taxon, in plants always end with suffixes aceae, e.g., Solanaceae, Cannaceae and Poaceae. Ales suffix is used for taxon 'order' while ae suffix is used for taxon 'class' and on ae suffixes are not used at all in any of the taxons.