Exam 28: Plant Reproduction and Development

Choose the one most appropriate answer for each. a.haploid cells in the anther b.reduction of chromosome number by one-half c.after fertilization,ripens into fruit tissue d.two nuclei in the ovule that unite with a single sperm e.after fertilization,will form a seed f.modified leaf with pigments and fragrance-producing cells g.mature microspore h.female reproductive organ i.landing platform for pollen j.pollen-bearing structure k.haploid cells in the ovule l.outermost whorl of flower parts on a receptacle m.female gametophyte -embryo sac

Why is fertilization in flowering plants called double fertilization?

Choose the one most appropriate answer for each. a.haploid cells in the anther b.reduction of chromosome number by one-half c.after fertilization,ripens into fruit tissue d.two nuclei in the ovule that unite with a single sperm e.after fertilization,will form a seed f.modified leaf with pigments and fragrance-producing cells g.mature microspore h.female reproductive organ i.landing platform for pollen j.pollen-bearing structure k.haploid cells in the ovule l.outermost whorl of flower parts on a receptacle m.female gametophyte -stigma

In a eudicot,what is the fate of the cotyledons?

-At what letter does meiosis occur?

The oldest known plant is at least ___ years old

Which of the following is NOT possible for incomplete flowers?

Abscission can affect

You discover a flower that was a reduced calyx and corolla,is drab in color and has no scent.This flower is likely pollinated by

In plant reproduction,how many eggs form as a result of meiosis?

The female gametophyte of a flower develops within a(an)

Match the plant hormone with its description. a.ethylene b.cytokinin c.auxin d.abscisic acid e.gibberellin -mediates tropisms

Choose the one most appropriate answer for each. a.haploid cells in the anther b.reduction of chromosome number by one-half c.after fertilization,ripens into fruit tissue d.two nuclei in the ovule that unite with a single sperm e.after fertilization,will form a seed f.modified leaf with pigments and fragrance-producing cells g.mature microspore h.female reproductive organ i.landing platform for pollen j.pollen-bearing structure k.haploid cells in the ovule l.outermost whorl of flower parts on a receptacle m.female gametophyte -megaspores

A sticky structure adapted to receive pollen is a(an)

What occurs in monocot seed germination that does NOT occur in eudicot seed germination?

Four of the five answers listed below are the results of fertilization.Select the EXCEPTION.

If peach trees growing in specific mild climates of the southern United States do not receive about 850 hours of temperatures below 40 degrees,they will not produce flowers in the spring.This is explained by which of the following terms?

Quaking aspen reproduces vegetatively by

Choose the one most appropriate answer for each. a.haploid cells in the anther b.reduction of chromosome number by one-half c.after fertilization,ripens into fruit tissue d.two nuclei in the ovule that unite with a single sperm e.after fertilization,will form a seed f.modified leaf with pigments and fragrance-producing cells g.mature microspore h.female reproductive organ i.landing platform for pollen j.pollen-bearing structure k.haploid cells in the ovule l.outermost whorl of flower parts on a receptacle m.female gametophyte -endosperm

The evolution of flowers and insects is an example of