Tapetal cells are characterized by
Mitotic division
Meiotic division
Endomitosis
Endomitosis as well as endopolyploidy
Exine of pollen grains is composed of
In flowering plants meiosis occurs at the time of
Meiotic cell division takes place during
$A$ : Formation of mature male gametophyte requires one meiotic and one mitotic division in $60\;\% $ of the
angiosperms.
$R$ : Pollination occurs in three celled condition in majority of angiosperms.
Which statement is incorrect?