Q37 - Interpreting Floral Diagrams
The flowering plants show great diversity in their flower structure reflecting evolutionary changes in course of time. One method to illustrate the flower morphology is the usage of floral diagrams implementing various shapes and symbols to show the structure as exact as possible.
Figure 1.
Using the information and data, determine which of the statements are true or which are false.
A. Diagram A can represents a basal herbaceous dicot.
B. Diagram B may represent a species from the family Orchidaceae with 2 sterile stamens.
C. The most primitive flower among the illustrated diagrams in this task is C.
D. Diagram D belong to a same family as C.
E. The perianth in diagram B is composed of 3 whorls.
Question reproduced from IBO 2018, Theoretical Paper 2, licensed under CC BY-NC-SA 4.0 - attributed to the International Biology Olympiad. Open the full exam PDF · Community solutions (unofficial)