Multiple choice

After fertilization, the egg cell surrounds itself with a cell wall and is known as the _____.

  1. oospore

  2. ovule

  3. calyx

  4. corolla

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

After fertilization, the zygote develops a cell wall and becomes the oospore, a resting stage that then develops into the embryo. The ovule develops into the seed, not the zygote itself. Calyx and corolla are floral whorls.