Pollentube entry into the ovule through micropyle
Mesogamy
Porogamy
Chalazogamy
Both a and c
If a plant fails to develop viable seeds it could best be grown by
Cutting
Grafting
Layering
Micropropagation
The angiosperms, syngamy refers to the fusion of
An egg cell with one male gamete
An egg apparatus with one male gamete
An egg cell with one male gamete and the secondary nuclers with the second male gamete.
Two polar nucleus with one male gamete
Megasporangium of angiosperm is developed in the
Oval
Ovule
Gynoecium
Pistil
Jasmine, Chrysanthemum etc is grown with the help of
Leaves
Underground stem
Roots
Sub-aerial stem
Suspensor is produced from
Hypobasal cell
Epibasal cell
Both a and b
None of the above
Nuclear division first and cytokinesis begins from the periphery towards centre in the endosperm development is called
Cellular
Helobial
Nuclear
In angiosperms, embryo sac represents.
Sporophyte
Tetrasporophyte
Male gametophyte
Female gametophyte.
The 3rd integument in the ovule is called.
Obturator
Endosperm
Aril
None of these