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STD 12 - 1. sexual reproduction in flowering plants — BIOLOGY STD 12 Science — Question

Bihar BoardEnglish MediumSTD 12 ScienceBIOLOGYSTD 12 - 1. sexual reproduction in flowering plants1 Mark
MCQ
Embryo sac consists of
  • A
    One egg cell
  • B
    Two synergids
  • C
    Three antipodal and two polar nuclei
  • ✓
    All of the above
✓

Answer

Correct option: D.
All of the above
d
An ideal embryo sac contains $7-$ cells and $8$ -nuclei. $3$ cells are present at the micropylar end and form egg apparatus, mid of which forms egg cell and rest two lateral form synergids. One cell present in the centre of embryo sac, known as central cell and contains two nuclei and rest three cells are present at chalazal end for antipodal cells

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