NEET 2000 Biology question

Eight nucleated embryosac is a :

(1)Only monosporic
(2)Only bisporic
(3)Only tetra sporic
(4)Any of the aboveCorrect

Answer: (4)

Solution

An eight-nucleate embryo sac can arise in three ways: (i) monosporic (Polygonum type) - one megaspore of the linear tetrad is functional and undergoes three mitotic divisions; (ii) bisporic (Allium type) - two

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Question ID VK-088650