Biology (Raven), 9th Edition

Chapter 42: Plant Reproduction

Pre-Test

1
The transition to flowering competence is termed
A)flowering competence.
B)soil competence.
C)nutrient competence.
D)reproductive competence.
E)phase change.
2
_____ genetically regulated pathways to flowering have been identified.
A)Three
B)Four
C)Sixteen
D)Twenty four
E)None
3
Flowers evolved in
A)Angiosperms.
B)Gymnosperms.
C)Ferns.
D)Green algae.
E)Flowering evolved multiple times in different lineages.
4
_____ is the production of embryos by mitosis rather than fertilization.
A)Phase shift
B)Morphogenesis
C)Abscission
D)Apomixis
E)Apoptosis
5
_____ plants grow, reproduce, and die in a single year.
A)Annual
B)Biennial
C)Perennial
D)Asexual
E)Diploid
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