Exam 35: Plant Structure, Nutrition, and Transport

The tension produced during transpiration ____________________ [pushes or pulls] a column of water extending all the way to the roots through the xylem.

Why is it important that the cells of the phloem remain alive?

In the figure below, the line with the arrowheads indicates the cell-wall pathway for an absorbed nutrient. What structure actually regulates the entry of nutrients into the plant's interior?

A tiny insect known as an aphid obtains nutrition by poking a mouthpart into the stem of a plant. Once the aphid's mouthpart is inserted, fluid from the plant is actually pushed through the digestive tract of the aphid by pressure. The mouthpart of the aphid has most likely penetrated the _____ of the plant.

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

Vessel elements in plants are found in

Ground tissue in plants is found in

Aristotle showed that plants get most of what they need to grow from the air.

Flowers are an example of a plant organ.

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

In the diagram below of a leaf, which letter indicates dermal tissue?

A flowering plant with leaves containing parallel veins is most likely a dicot.

Examine the plant in the figure below. The plant shown is most likely a dicot because of the presence of

Sieve pores are a modification seen in vascular tissue that facilitate the movement of

Plants use microscopic muscles to push sugars through their organs.

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

Which combination of conditions will cause a plant's stomata to open?

Which of the following is not a function of stems?

Examine the diagram below of a root tip. Which letter in the diagram indicates the zone of cell division?

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