Diadelphous stamens are the characteristic features of :
Ranunculaceae
Fabaceae
Poaceae
Malvaceae
B.
Fabaceae
In diadelphous condition, stamens are arranged in two bundles. Diadelphous stamens are the characteristic features of Family- Fabaceae.
Anthesis means
growth of pollen tube inside the carpel
dehiscence of anthers
opening of floral bud
emergence of anthers
Removal of top fertile soil by wind or water is :
Siltation
Soil erosion
Weathering of soil
Leaching
Pollination occuring from one flower to another of same plant is :
autogamy
allogamy
geitenogamy
none of these
Phytochrome occurs in two forms. In which form it promotes the germination of seeds of some species ?
Pfr forms
Pr forms
Both forms
None of these
Seed which are able to withstand reduction in moisture and temperature are called
dormant seeds
recalcitrant seeds
orthodox seeds
non- viable seeds