Multiple Choice QuestionsThe development ofsporangium in Pteridium is
a leptosporangiate type
an eusporangiate type
Both (a) and (b)
None of the above
In a flowering plant, archesporium gives rise to
wall and tapetum
only tapetum and sporogenous cells
only wall of the sporangium
both wall and sporogenous cells
The aleurone layer in maize grain is specially rich in
starch
lipids
protein
cellulose
C.
protein
In monocotyledons the seeds are generally endospermous. It is surrounded by a special one cell thick layer called aleurone layer. It is filled with aleurone grains which are proteinaceous in nature. Other components of this layer are phytin, carbohydrates and small amount of phospholipids are also present.
A hyaline bisexual and self-fertilized flower that does not open at all is
chasmogamaus
apogamous
cleistogamous
polygamous
What is true about a gamo spermous apospory?
Formation of embryo from egg of embryo sac proliferated from a nucellar cell
Formation of embryo from egg of embryo sac formed directly from megaspore mother cell
Formation of embryo directly from nucellus
Formation of embryo directly from integument
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