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5.Morphology of Flowering Plants
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The floral formula, Br $\oplus$ $\mathop {\rm{O}}\limits_ + \,\,\,\,\,\,\,{{\rm{P}}_{{\rm{3 }} + {\rm{3}}}}\,\,\,\,{{\rm{A}}_{{\rm{3}} + {\rm{3}}}}\,{\underline G _{(3)}}$ belongs to family
A
Allium cepa
B
Sunflower
C
Cucurbita
D
Brassica
Solution
(a) The floral formula of Allium cepa shows that flower is ebracteate, actinomorphic and bisexual.
Perianth is gamophyllous arranged in two whorls of $3$ each.
Androecium is polyandrous epiphyllous, arranged in two whorls of $3$ each, Gynoecium is tricarpellary, syncarpous and ovary superior.
Standard 11
Biology