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单选题 --The part of a flower that frequently functions in protecting unopened flower buds is called the
学科：默认课程
时间：2025-12-22 18:25:07
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题目1判断题
Humidity changes play an important role in the dispersal of some seeds and fruitsA. 正确B. 错误
题目2判断题
Seeds germinate immediately after dormancy is removed regardless of temperature, the light environment, or the exclusion of oxygenA. 正确B. 错误
题目3判断题
--The life cycle of flowering plants begins with seed germination and ends with a mature plant producing new seedsA. 正确B. 错误
题目4判断题
The dormancy of some seeds may be broken by placing them in a refrigerator for a few weeksA. 正确B. 错误
题目5判断题
Most wind-pollinated flowers lack corollasA. 正确B. 错误
题目6判断题
Of the two classes of flowering plants, monocots are the most common, comprising approximately 75% of all known flowering plantsA. 正确B. 错误
题目7判断题
The hilum on a bean seed marks the spot where a radicle will emergeA. 正确B. 错误
题目8判断题
Follicles, legumes, and capsules all split at maturityA. 正确B. 错误
题目9判断题
--The pericarp is the single layer of tissue closest to the seedA. 正确B. 错误
题目10判断题
Leaf mesophyll consists primarily of chlorenchyma tissueA. 正确B. 错误
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