For the formation of tetrasporic embryosac, how many megaspore mother cells are required
$1$
$2$
$3$
$4$
Mature embryo sac contains or A normal angiosperm embryo sac at the final stage of development has
What do the following parts of a flower develop into after fertilisation ? $(a)$ Ovary $(b)$ Ovules.
Syngamy means
Draw the diagram of a mature embryo sac and show its $8-$ nucleate, $7-$ celled nature. Show the following parts : antipodals, synergids, egg, central cell, polar nuclei.
$A$ : Anatropous ovule is resupinate ovule.
$R$ : The body of ovule is completely bent with hilum close to micropylar end.