BIOXII02: SEXUAL REPRODUCTION IN FLOWERING PLANTS
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Sequence of development of embyosac is
1 Archesporium → Megaspore →
megasporophyte → Embryosac
2 Archesporium → Megaspore mother cell
→ Embryosac → Megaspore
3 Archesporium → Megaspore →
Megaspore mother cell → Embryosac
4 Archesporium → Megaspore mother
cell → Megaspore → Embryosac
Explanation:
Archesporium → Megaspore mother cell → Megaspore → Embryosac. This is the correct sequence.