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Bract: Quiz


Question 1: An excellent example of this latter type of bract occurs in the ________ plant (Euphorbia pulcherrima), which has small green flowers, surrounded by large scarlet bracts.
Santa ClausEuphorbia pulcherrimaFather ChristmasChristmas

Question 2: In ________, a bract is a modified or specialized leaf, especially one associated with a reproductive structure such as a flower, inflorescence axis, or cone scale.

Question 3: Green involucral bracts surrounding the bud of a ________ (Helianthemum annuum)
SugarcaneChinese tallowSunflowerPanicum virgatum

Question 4: An involucre is a common feature beneath the inflorescences of many Apiaceae, ________, Dipsacaceae and Polygonaceae.
FlowerFlowering plantAsteraceaePlant

Question 5: These bracts form the chaff removed from ________ grain during threshing and winnowing.


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