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Eight nucleate embryo sacs are
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- always tetrasporic
- always monosporic
- always bisporic
- sometime monosporic, sometimes bisporic and sometimes tetrasporic
Correct Option: D
Monosporic type - eight nucleated Polygonum type. In this types only one megapore situated at chalazal end takes part in the development of embryosac.
Bisporic type - eight nucleated Allium type. Tetrasporic type - eight nucleated Adoxa type.
