Exam 35: Plant Growth and Reproduction

The plant body is modular,formed by the repeated addition of the same basic units.

The line through the center of the diagram below separates the haploid and diploid life stages of the plant life cycle.The part of the cycle that exists below the line consists of plants that are ________.

Plant growth aboveground can be accomplished by adding new ________ units.

Sapwood is xylem that is too clogged to transport water.

In plants,the diploid stage of the life cycle produces ________ by ________.

Why are the structures indicated by the arrows in the diagram below of a seedling somewhat shriveled at this stage in germination?

At what point in the plant life cycle does cell division convert diploid cells into haploid cells?

In order to fertilize an egg,a pollen grain must first arrive at the ________.

The region of the diagram below indicated by the arrow is involved in the production of wood.

If a mutation resulted in the formation of pollen that could NOT form a pollen tube,when the pollen landed on the stigma,

At the tip of a filament within a flower you would find a(n)

Some plants can sense the duration of light or dark during a 24-hour period.

Which of the following components is correctly matched with its location?

Which of the following is NOT a plant hormone?

Endosperm is the origin of the sperm that fertilizes the embryo.

The central cell of the embryo sac contains

Which of the following would NOT be derived from vascular cambium?

In what way does endosperm differ from sperm?

Which of the following would be the LEAST likely pollinator?

The growth of cells within the cork cambium results in the production of