题目内容

What is double fertilization in angiosperms?

A. One sperm binds to the egg cell
B. Another sperm binds to the central cell
C. One sperm binds to the synergid
D. Another sperm binds to the antipodal cell

查看答案

搜索结果不匹配？点我反馈

更多问题

What are the three ways plants bear fruits?

A. Double fertilization
B. Parthenocarpy
C. Apomixis
D. Pollination

What structures of flowers are involved in the formation of false fruits?

A. Receptacle
B. Perianth
C. Stamen
D. Ovary

The bioenergy is also called clean energy because it doesn't produce_________.

A. exhaust gas
B. oxygen
C. hydrogen
D. nitrogen

Flowering is that the stamens and pistils are ___________ after the calyx and corolla open immediately.

A. dried
B. exposed
C. died
D. fertilized