Question

What is a plant embryo?

Answer 1

Plant embryo:

1. The plant embryo develops from the zygote at the micropylar end of the embryo sac.
2. After seed germination, it develops into a new plant.

Embryo development in dicot plant:

1. It consists of two cotyledons and an embryonal axis.
2. The zygote develops into a globular embryo, a heart-shaped embryo, and then into a mature embryo.

Embryo development in monocot plant:

1. The monocot embryo has only one cotyledon known as the scutellum and is present on the lateral side of the embryonal axis.
2. Epicotyl has a shoot apex which is enclosed by a hollow foliar structure known as coleoptile and the root cap is enclosed by an undifferentiated sheath known as coleorhiza.