Multiple choice

The secondary nucleus of angiosperm after fertilization is of which of the following types?

  1. x

  2. 2x

  3. 3x

  4. 4x

  5. 5x

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

The secondary nucleus of angiosperm after fertilization is 3x. The second sperm cell fuses with both central cell nuclei, producing a triploid (3x) cell. As the zygote develops into an embryo, the triploid cell develops into the endosperm, which serves as the embryo's food supply.