Multiple choice

Fusion nucleus + male nucleus = --------

  1. Zygote

  2. Endosperm

  3. Ovary

  4. Seed

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

In angiosperms, double fertilization occurs where one male gamete fuses with the egg to form a zygote, and the second male gamete fuses with the diploid secondary (fusion) nucleus to form the triploid endosperm, which provides nutrition to the embryo.