In the pollen grain, which ll ultimately fuses with the egg ll?
The generative ll divides (often before or during pollen tube growth) to produce two sperm lls; one of these fuses with the egg ll. This follows from NCERT principle where the relation explains the outcome clearly for students in simple steps.
Ref: NCERT Biology Textbook for Class XI and XII (Botany section), Chapter: Cell Structure and Function, Cell Cycle and Biomolecules, Topic: Cell organelles and biomolecular structure.
