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Q33 - Which Developmental Unit Was Selected to Make Each Brassica Crop?

Theoretical B Real exam question - full text reproduced under IBO's CC BY-NC-SA 4.0 license

Plants have a plastic developmental body plan, built up of simple units. Brassica oleracea is the progenitor for many domesticated Brassica crops. During domestication of each crop different units were selected.

Figure 1 for Q33: Which Developmental Unit Was Selected to Make Each Brassica Crop?

This question mixes multiple-choice/numeric-estimate parts with True/False statements - answer each part using the information and data above.

A. Which developmental unit of Brassica oleracea was selected to produce Brussels sprouts?
B. Which developmental unit of Brassica oleracea was selected to produce Cauliflower?
C. Which developmental unit of Brassica oleracea was selected to produce Kale?
D. Which developmental unit of Brassica oleracea was selected to produce Kohlrabi?
E. Which developmental unit of Brassica oleracea was selected to produce Broccoli?

Question reproduced from IBO 2017, Theoretical Exam B, licensed under CC BY-NC-SA 4.0 - attributed to the International Biology Olympiad. Open the full exam PDF · Official answer key & worked solutions