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Each embryo-sac has a three-celled egg apparatus that includes –

( a ) one egg cell, two synergids and three antipodal cells
( b ) one egg cell, three synergids, three antipodal cells and two polar nuclei
( c ) one egg cell, two synergids, three antipodal cells and two polar nuclei
( d ) one egg cell, three antipodal cells and two polar nuclei
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(C) is the right answer.

flower (of angiosperm) : The female *** organ in a flower is the pistil or the carpel. Pistil consists of an ovary enclosing one to many ovules. Within ovules are present highly reduced female gametophytes termed embryo- sacs. The embryo-sac formation is preceded by meiosis. Hence, each of the cells of an embryo-sac is haploid. Each embryo-sac has a three-celled egg apparatus – one egg cell and two synergids, three antipodal cells and two polar nuclei. The polar nuclei eventually fuse to produce a diploid secondary nucleus.
answered Jan 3, 2014 by pady_1
 

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