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Eight nucleate embryo sacs areA. always tetrasporicB. always monosporicC. always bisporicD. sometimes monosporic, sometimes bisporic and sometimes tetrasporic |
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Answer» Correct Answer - D Megaspore is a haploid structure which divides and gives rise to embryo sac which is also called as female gametophyte. Eight-nucleate embryo sacs may be monosporic (e.g. Polygonum) or bisporic (e.g. Allium) or tetrasporic (e.g. Adoxa) |
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