In a Typical Angiosperm, What Is the Sequence of Structures

question 15

Multiple Choice

In a typical angiosperm, what is the sequence of structures encountered by the tip of a growing pollen tube on its way to the egg?
1) micropyle
2) style
3) ovary
4) stigma

• A) 4 → 2 → 3 → 1
• B) 4 → 3 → 2 → 1
• C) 1 → 3 → 4 → 2
• D) 3 → 2 → 4 → 1