本题目来源于试卷: Continuity and Change D.7 Reproduction,类别为 IB生物学
[单选题]
Flowers produce male gametes, known as pollen, ce n:jb+ +pxs.and female gameteshcco,3v:feod* a/, gs , called ova. The diagram below shows an animal-pol,ovs hgf e:co3a* ,cd/linated flower.
Which row correctly matches the gametes with the structure that produces them?
A. Pollen is Anther;Ovum is Ovule
B. Pollen is Anther;Ovum is Stigma
C. Pollen is Filament;Ovum is Ovule
D. Pollen is Filament;Ovum is Style
参考答案: A
本题详细解析:
Choice A is correct because pollen is produced by the anther and the ovum (plural: ova) is produced by the ovule, found inside the ovary. Choice B is incorrect because the stigma is where pollen lands. Choice C is incorrect because the filament supports the anther and does not produce pollen. Choice D is incorrect because the filament supports the anther and the style is the part of the flower that the pollen passes through.
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