Exam 24: Growing a Green Thumb: Plant Physiology

The negative water pressure resulting from water evaporating from the stomata of a leaf creates

Florists and horticulturists often cut stems while they're holding a plant underwater in order to

The tendency of a plant's uppermost bud to limit the growth of lower buds is called ________ (two words).

The oldest group of plants possessing true xylem and phloem is the

What is contained within the xylem sap of a plant?

The time from the final frost in the spring to the first frost in the fall is called

Which of the following are the water-conducting cells in mosses?

The overwatering of houseplants and garden plants results in

Which of the following occurs when a grapevine wraps around a trellis or another supporting structure?

What is the first step in the pressure flow mechanism of translocation?

Which of these plants closes its stomata during the day and conducts photosynthesis using chemically stored carbon?

-The overall process illustrated by this diagram is

Many garden plants that are grown for leaves or roots, such as parsley and carrots, produce vegetative growth the first year and reproductive structure growth the second year. Thus, parsley and carrots are

The roots emerging from germinating seeds exhibit

Abscission of leaves and fruits is promoted by the hormone

Which of the following is a perennial?

The ancestors of land plants were green ________.

The flow of water through a plant, from the soil to the leaves, is due to

If the sugary phloem sap in a fruit tree is divided into many sugar sinks, then each individual fruit will be relatively

The tendency of water molecules to stick together is called