Exam 37: Reproduction in Flowering Plants

You have found, among your experimental plant population, a mutant that flowers prematurely.Which modification in the DNA would you expect to find in that plant?

You move into a new house.During the first summer you notice that many of the plants in the yard do not bloom.During the second summer the yard is a sea of blooms.In the spring of the third year, there are no plants.Which is the most likely explanation?

List the correct order of events in female gametophyte development.

Refer to the figure showing the typical life cycle of a plant. Suppose a botanist is studying a part of a flowering plant represented on the blue part of the figure.What is she studying?

How many sets of flower parts does a single flower have in all dioecious plants?

When a vegetative apical meristem ceases production of leaves and axillary buds and instead produces structures such as bracts, it has become a(n)

When a vegetative apical meristem becomes an inflorescence meristem,

What is the fate of the seven cells of the embryo sac?

What effect would you expect in a corn plant that lacked abscisic acid?

Gemmae, which are produced by some carnivorous plants, form from modified leaves.Each consists of a tiny plantlet and stored nutrients.Production of gemmae is therefore an example of use of vegetative organs for _______ reproduction.

Which element is not necessary for pollen tube formation?

If a farmer is unable to plant fields of winter wheat before winter sets in, which seed treatment will most likely yield a successful crop after spring planting?

Phytochrome alternates between two forms, one that absorbs red light and another that absorbs _______ light.

Which of the following are two common ways in which seeds are dispersed?

Vegetative plant parts that are modified for asexual reproduction and are short, vertical stems are called _______ and _______.

Refer to the figure. After an apical meristem has been redirected toward developing into a floral meristem, _______ are responsible for further refinement of the floral development pathway.

If standard approaches to induce flowering have failed in an unidentified plant species, which chemical would be the next best option to try?

Which characteristic of seed germination is normally a disadvantage to plants but can be used by plants in some habitats to their advantage?

The first event that takes place after pollen is released from the anthers is the

In apomixis, which of the following occurs in an abnormal way?