Exam 27: Plant Reproduction and Development

Which structure develops into a seed?

A mature ovule includes the embryo sporophyte, its reserves of food, and the seed coat. This is collectively called the ____.

What happens if a growing shoot's tip breaks off?

The plant hormone that inhibits seed germination is ____.

The primary purpose of fruits is to ____.

The male part of a flower includes the ____.

The most critical factor affecting the initiation of seed germination is ____.

The laboratory technique known as ____ is frequently used in research for improving food crops by inducing individual plant cells to form embryos.

Which plant cells have the ability to make and release hormones?

The female gametophyte is the ____.

What type of pollinator would a large, light-colored, night-fragranced flower attract?

After a seed germinates, nutrients stored in endosperm (in monocots) or in ____ (in eudicots) support the seedling's growth.

What signals the end of germination?

Which organelles settle on the bottom of gravity-sensing cells?

A stamen is ____.

What role do volatile chemicals, released in response to herbivory, play in a plant?

Which hormone is most involved in promoting apical dominance?

Four of the five answers listed below are related by the same gender. Select the exception.

Temperature extremes, lack of water, and other environmental stresses trigger an increase in which hormone?

Which structures comprise the outermost whorl of a flower?