Exam 34: Plant Structure, Nutrition, and Transport

Plants use microscopic muscles to push sugars through their organs.

While walking in the forest,you come across a plant with a flower that has three petals and leaves with parallel veins.You would classify this plant as a

Plants are protected from herbivores by ________ tissue,which also controls gas exchange.

Although plants require nine macronutrients,plant fertilizers typically provide just nitrogen,phosphorus,and ________.

The most abundant plant cell type in ground tissue is ________.

What observation would indicate that the thorns on a rosebush are actually modified stems?

A typical fertilizer contains no carbon because carbon is

Once sugars have been actively transported into the phloem,

Chemicals that dissolve a plant's cuticle typically result in the death of the plant as it loses its ability to

Companion cells in plants

Within its vascular tissue,sieve tube elements and companion cells are connected by the

Like other organisms,plants are composed of proteins,lipids,carbohydrates,and nucleic acids.Based on this,which of the following would be a micronutrient?

A plant with the arrangement of vascular bundles shown in the image below would be classified as a(n)________.

Roots perform all of the following functions EXCEPT

The presence of root hairs in the region of this root tip labeled with the letter A suggests that we are looking at the zone of ________.

Plants can generate the pressures needed to transport sugars produced by photosynthesis great distances by

Many plants and animals move water and nutrients within internal vessels.Animals use the energy of muscle contraction;however,no metabolic energy is expended when water and minerals move within a plant's xylem.

Most of the dry biomass of a plant comes from ________ absorbed from the air by its leaves.

Plants have two types of vascular tissue: xylem,which transports ________ and ________,and phloem,which transports ________.

The figure below illustrates how food is transported in phloem tissue. At what step(s)during the movement of sugar does the plant provide metabolic energy?