首页/ 题库 / [单选题]花粉粒的壁分两层,即()。的答案

花粉粒的壁分两层,即()。

单选题
2021-12-28 18:25
A、A.初生壁和次生壁
B、B.果胶层和初生壁
C、C.外壁和内壁
D、D.果胶层和次生壁
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正确答案
C

试题解析

标签: 植物学 农学
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