$A$ : Filiform apparatus guides the pollen tube into the synergids. $R$ : It is special cellular thickening at micropylar tip to secrete chemotropic stimulus.
What is the direction of micropyle in anatropous ovule
The megaspore mother cell divides meiotically to form ……. megaspores.
The germination of pollen grain results in the formation of
Stalk with which ovules remain attached to placenta is called
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