Answer: Pre-fertilisation.
- A Pre-fertilisation
- B a plain post-fusion one
- C only a zygotic step
- D some final embryo stage
Correct answer: A. Pre-fertilisation
Explanation: Pollination is a pre-fertilisation event that precedes gamete fusion.
Structure of a mature flower. Image: LadyofHats (Mariana Ruiz), Public Domain, via Wikimedia Commons.
Concept context
Asexual and sexual reproduction, flower anatomy, pollination, fertilization, and seed development.