Definations / Explanation :
$1.$ Micropyle
$2.$ Chalaza
Definations / Explanation :
$1.$ Micropyle
$2.$ Chalaza
$(1)$ Integuments encircle the nucellus except at the tip where a small opening called the micropyle is organised.
$(2)$ Opposite the micropylar end, is the chalaza, representing the basal part of the ovule.
Similar Questions
$A$ : Filiform apparatus guides the pollen tube into the synergids.
$R$ : It is special cellular thickening at micropylar tip to secrete chemotropic stimulus.
$A$ : Filiform apparatus guides the pollen tube into the synergids.
$R$ : It is special cellular thickening at micropylar tip to secrete chemotropic stimulus.
The number of mitotic generations required to form a mature embryo sac in most of the flowering plants is
The number of mitotic generations required to form a mature embryo sac in most of the flowering plants is
Tegmen develops from
Tegmen develops from
- [AIPMT 1990]
In which type whole of the megaspore mother cell takes part in the formation of the female gametophyte
In which type whole of the megaspore mother cell takes part in the formation of the female gametophyte
Choose the odd one w.r.t. gynoecium.
Choose the odd one w.r.t. gynoecium.