Exam 28: Plant Structure and Growth

As a youngster, you drive a nail in the trunk of a young tree that is 3 meters tall. The nail is about 1.5 meters from the ground. Fifteen years later, you return and discover that the tree has grown to a height of 30 meters. About how many meters above the ground is the nail?

Vascular plant tissue includes all of the following cell types except

A student examining leaf cross sections under a microscope finds many loosely packed cells with relatively thin cell walls. The cells have numerous chloroplasts. What type of cells are they?

Which of the following arise, directly or indirectly, from meristematic activity?

The driving force that pushes the root tip through the soil is primarily

Compared to most animals, the growth of most plants is best described as

The vascular bundle in the shape of a single central cylinder in a root is called the

A plant has the following characteristics: a taproot system, several growth rings evident in a cross section of the stem, and a layer of bark around the outside. Which of the following best describes the plant?

Choose the option that best describes the relationship between the cell wall thickness of parenchyma cells versus sclerenchyma cells.

The innermost layer of the root cortex is the

Which of the following cell types retains the ability to undergo cell division?

If you were able to walk into an opening cut into the center of a large redwood tree, when you exit from the middle of the trunk (stem) outward, you would cross, in order,

Which of the following is a true statement?

Which of the following is derived from the ground tissue system?

Which part of a plant absorbs most of the water and minerals taken up from the soil?

Which of the following is a true statement about growth in plants?

Shoot elongation in a growing bud is due primarily to

Which of the following statements is false?

Pores on the leaf surface that function in gas exchange are called

Which of the following cells or tissues arise from lateral meristem activity?