Which of the following floral parts forms pericarp after fertilization?
Nucellus
Outer integument
Ovary wall
Inner integument
C.
Ovary wall
After fertilization, the mature, ripened ovary develops into fruit. The ovary wall forms the covering of the fruit called fruit wall or pericarp. Some other post fertilization changes also occur like nucellus develops into perisperm, ovules develop into seeds, outer integument forms testa, inner integument forms tegmen, etc.
Unisexuality of flowers prevents
Autogamy, but not geitonogamy
Both geitonogamy and xenogamy
Geitonogamy, but not xenogam
Autogamy and geitonogamy
Development of an embryo without fertilization is called as
Apomixis
Polyembryony
Parthenocarpy
Parthenogenesis
Which one of the following is linked to the discovery of bordeaux mixture as a popular fungicide?
Bacterial leaf blight of rice
Downy mildew of grapes
Loose smut of wheat
Black rust of wheat
A fern differs from a moss in having
Swimming archegonia
Swimming antherozoids
Independent gametophytes
Independent sporophytes
