Question

Sketch and label angiospermic embryo sac.​

Answer 1

ANGIOSPERMIC EMBRYO SAC

Embryo Sac :-

Embryo sac is the large haploid cell of flowering plants. This embryo sac develops from meiosis in diploid megaspore mother cell. It is also called as female gametophyte. After fertilisation, it bears both embryo plant and the endosperm.

It consists of :-

1. Three Antipodals
2. One Central Cell
3. Two Polar Nuclei
4. Two Synergids
5. One Egg Cell
6. Filiform Apparatus
7. Micropylar End

Answer 2

Angiospermic Embryo sac

Explanation:

• Embryo sac is formed from megaspore mother cell by the procedure of megasporogenesis and megagametogenesis
• A diploid Megaspore mother cell is developed inside the nucellus. It at that point experiences meiotic division to frame four haploid megaspores. This procedure is called megasporogenesis  
• The megaspore of a seed-bearing plant, arranged inside the ovule, offering ascend to the endosperm and forming the egg cell or nucleus from which the incipient organism plant develops after fertilization