Which part of the reproductive structure produces both enzymes and hormones
Archegonium
Middle layer
Tapetum
Endothecium
A microspore mother cell forms
$A$ : Restitutional nucleus can be observed in endothecium cells.
$R$ : Endothecium cells are usually triploid.
Which one of the following is resistant to enzyme action?
Which of the following statement is correct for the pollen tube