Functional megaspore develops into …A… also called …B…
A and B in the above sentence is
A-Female gametophyte; B-Embryo sac
A-Embryo sac; B-Female gametophyte
A-Endosperm; B-Nucellus
A-Microsporangium; B-Megasporangium
Related Questions
In angiosperm functional megaspore develops into
Embryo sac
Ovule
Endosperm
Pollan sac
Device to discourage self-pollination or increase cross-pollination is
Pollen release and stigma receptivity are not synchronized
Anther and stigma placed at different position
Same height of stamen and stigma
Both (1) and (2)
Ovary with many ovules are found in?
wheat
papaya
ground nut
pea
The transfer of pollen from the anthers of one plant to the stigma of a different plant, introducing genetically distinct pollen, is known as:
Xenogamy
Geitonogamy
Autogamy
Cleistogamy
Intine is made up of
Cellulose
Pectin
Both (a) and (b)
Protein
A typical angiosperm anther is
Bilobed
Dithecous
Both (1) and (2)
Monothecous
Which one of following represents an ovule, where the embryo sac becomes horse-shoe shaped and the funiculus and micropyle are close to each other
Circinotropous
Anatropous
Amphitropous
Atropous
Which of these is not essential for allogamy?
Self-sterility
Dichogamy
Heterogamy
None of these
Ovule of Opuntia is called and turn at more than angle is called
circinotropous
anatropous
hemitropous
amphitropous
How are pollen grains in most water-pollinated plants adapted to their environment?
Large and buoyant
Colorful and fragrant
Protected from wetting by a mucilaginous covering
Equipped with air sacs for flotation
