Exam 38: Transport in Plants

Choose the letter of the best match from the following: -Regulates movement of mineral ions into root xylem.

Which of the following is not transported within the plant by the xylem and/or the phloem?

Which of the following essential ions is not transported elsewhere once it has been deposited in plant parts?

Cavitation can occur when what happens?

The process by which water is "pulled" up through the xylem columns of plants and evaporated out of the leaves is called

The plasma membranes of root hair cells contain a variety of protein transport channels through which specific ions are transported,even against large concentration gradients,by

Which of these structures is not likely to contain significant amounts of aerenchyma tissue?

Which of the following equations represents the total water potential of a plant?

Water is able to cross plant plasma membranes by a combination of

Some plants are able to endure frequent flooding events because they contain a tissue with loose parenchyma cells and large air spaces called

Most of the water that evaporates from leaves passes out through the

Photosynthesis can occur only if the stomata are open to allow the entry of

Pure water without applied pressure has a water potential that is equal to

Water may be lost in liquid form at the edges of the leaves of herbaceous plants through a process known as