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Question

Biology Question on The Female Reproductive System

Eight nucleate embryo sacs are

A

always bisporic

B

always tetrasporic

C

always monosporic

D

sometimes monosporic, sometimes bisporic and sometime tetrasporic

Answer

sometimes monosporic, sometimes bisporic and sometime tetrasporic

Explanation

Solution

Megaspore is a haploid structure, which divides and gives rise to embryo sac, is also called as female gametophyte. Eight-nucleate embryo sacs may be monosporic (eg, Polygonum); or bisporic (eg, Allium); or tetrasporic (eg, Adoxa).