The process of apomixis bypasses which critical step in sexual reproduction?
Pollination
Meiosis and fertilization
Seed dispersal
Fruit formation
Related Questions
The ploidy of endosperm in angiosperms is
Nuclear endosperm has
Every nuclear division followed by wall formation
Initially free-nuclear divisions followed by wall formation
First division followed by wall formation and other free nuclear
None of the above
A typical dicotyledonous embryo consist of an …A… axis and …B… . The portion of embryonal axis above the level of cotyledons is …C… which terminates with the …D… or stem tip A, B, C, D in the above statement are
A- embryonal, B- two cotyledons, C- epicotyl, D- plumule
A- radicle, B- single cotyledon, C- hypocotyl, D- radicle
A- plumule, B- two cotyledons, C- hypocotyl, D- epicotyl
A- embryonal, B- scutellum, C- coleoptile, D- coleorhiza
If endosperm has 36 number of chromosomes then find out the chromosome number of male and female gamete
18, 18
17, 18
20, 20
12, 12
Out of the following choose the post-fertilisation events
Endospermeogenesis
Embryogenesis
Both (a) and (b)
Organogenesis
The ploidy of aleurone cell when a ‘4n’ female plant is crossed with ‘2n’ male plant?
5n
4n
3n
2n
A micropyle is a
Small pore through which water enters
Small aperture where no integuments are present
Small pore needed for seed existence
All of the above
The part of castor seed that yields oil is
Cotyledon
Caruncle
Endosperm
Nucellus
In Dicot embryo the radicle is formed by?
epibasal tier of embryo
hypobasal tier of embryo
hypophysis of suspensor
terminal cell of suspensor
The body of ovule fuses with funicle in the region called
Chalaza
Hilum
Micropyle
Nucellus
