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 -ovule

In a flowering plant life cycle,which of the following structures are diploid?

The compounds involved in phototropism are

The term used to describe the cloning of an entire plant from a single cell is

The protective part of most flower buds is the

Four of the five answers listed below are whorls of floral organs.Select the EXCEPTION.

Why is colony collapse disorder (CCD)a problem for all of us?

The binding of a plant hormone to its receptor typically induces

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

The apples from the apple trees Johnny Appleseed sold to homesteaders were mainly used to make

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

Four of the five answers listed below are non-reproductive parts of a flower.Select the EXCEPTION.

Which of the following is NOT true of auxin?

What kind of fruit is formed from fused ovaries of several associated flowers?

In a monocot seed,what is the fate of the coleoptile?

Which of the following tropisms is the response to touch in plants?

In a flower,the mature male gametophyte is a(an)

Four of the five answers listed below are true for gibberellin.Select the EXCEPTION.

A seed does NOT include

Which of the following develops into a seed?