Which structure guides the pollen tube towards the egg apparatus?
Antipodal cells
Polar nuclei
Synergids
Integuments
Related Questions
What is the ploidy of the primary endosperm nucleus formed after double fertilization?
Haploid (n)
Diploid (2n)
Triploid (3n)
Tetraploid (4n)
Which of the following structures in a wheat embryo is responsible for nutrient absorption from the endosperm?
Coleoptile
Scutellum
Coleorhiza
Radicle
The cotyledon in a maize grain is also known as:
Scutellum
Plumule
Radicle
Coleoptile
double fertilization was discovered by?
nawaschin
strasburger
emerson
none of these
Vegetative fertilization is also called
Triple fusion
True fertilization
Syngamy
Generative fertilization
Double fertilization ensures that the development of the endosperm is dependent on:
The fertilization of the egg.
The availability of water.
The formation of the seed coat.
The dispersal of pollen.
Certain apomictic plants produce seeds without fertilization. How would the genetic makeup of the endosperm in such a plant likely differ from a sexually reproducing angiosperm?
It would be genetically identical to the maternal tissue.
It would be a mixture of maternal and paternal genes.
It would be entirely paternal in origin.
It would be haploid.
The process involving the fusion of a male gamete with the central cell is called:
Syngamy
Double fertilization
Triple fusion
Pollination
Double fertilization involves
Syngamy and triple fusion
Double fertilization
Development of antipodal cell
None of the above
What is the product of the fusion of one male gamete with the egg cell during double fertilization?
Endosperm
Embryo sac
Zygote
Seed coat